CN109090222A - Antistaling agent and preparation method thereof, application and fruit and vegetable preserving method - Google Patents

Antistaling agent and preparation method thereof, application and fruit and vegetable preserving method Download PDF

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Publication number
CN109090222A
CN109090222A CN201811022834.7A CN201811022834A CN109090222A CN 109090222 A CN109090222 A CN 109090222A CN 201811022834 A CN201811022834 A CN 201811022834A CN 109090222 A CN109090222 A CN 109090222A
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China
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parts
antistaling agent
opuntia ficus
extracting solution
surfactant
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Chinese (zh)
Inventor
孙永林
汤尚文
李玉奇
余海忠
范文莹
李欢欢
王安瑞
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Hubei University of Arts and Science
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Hubei University of Arts and Science
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Priority to CN201811022834.7A priority Critical patent/CN109090222A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154Organic compounds; Microorganisms; Enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/16Coating with a protective layer; Compositions or apparatus therefor
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Microbiology (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

The invention belongs to postharvest technology of fruits and vegetables fields, more particularly, to a kind of antistaling agent and preparation method thereof, application and fruit and vegetable preserving method.Antistaling agent in the present invention is mainly prepared by Opuntia ficus' extracting solution;Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and optional ground surfactant.The antistaling agent is environmentally protective, can be effectively reduced polyphenol oxidase enzyme activity, plays good preservation, and then extend the shelf life of fruits and vegetables, guarantees commercial quality.

Description

Antistaling agent and preparation method thereof, application and fruit and vegetable preserving method
Technical field
The present invention relates to postharvest technology of fruits and vegetables fields, more particularly, to a kind of antistaling agent and preparation method thereof, application and fruit Vegetable preservation method.
Background technique
The also known as minimum processing fruits and vegetables of fresh-cut fruit and vegetable, half processing fruits and vegetables, lightly processed fruits and vegetables etc., it refers to is with fresh fruit of vegetables Raw material enters cold after a series of processing such as classification, cleaning, trimming, peeling, cutting, fresh-keeping, packaging using low-temperature transport Cabinet sale instant uses fruit and vegetable product.Fresh-cut fruit and vegetable had not only maintained the original fresh state of fruits and vegetables, but also made to produce by processing Product sanitation and hygiene belong to clean vegetables scope, natural, nutrition, fresh, convenient and high using degree, can meet people pursue naturally, The demand of nutrition, allegro life style etc..However, fresh-cut fruit and vegetable produces mechanical damage to fruits and vegetables because of cutting process Wound, part cell rupture, cellular regions are destroyed every change, easily generation brown stain.Why fresh-cut yams there is brown stain, main former Because being that Chinese yam polyphenol encounters oxygen, under the catalysis of polyphenol oxidase, polyphenol is converted into quinone, as the accumulation of quinones substance is led Cause the browning of Chinese yam section.Once there is browning, organoleptic quality is both influenced, shelf life is also shortened, reduces commodity value indirectly. Therefore, preserving fruit and vegetable utilizing is imperative, and traditional preserving fruit and vegetable utilizing generally uses sodium hydrogensulfite, has in various degree to the stomach of people Stimulation, the preserving fruit and vegetable utilizing of the prior art equally exists some other drawbacks.
If patent publication No. is CN101642237A, entitled " a kind of's color fixative for yam slices and its application method " is special Benefit discloses a kind of non bell top, is prepared by the mixed solution of phytic acid, citric acid, ascorbic acid and L-cysteine hydrochloride It obtains.Wherein the concentration of phytic acid is 1.36-1.69%, and the concentration of citric acid is 0.37-0.79%, and the concentration of ascorbic acid is 0.11-0.25%, the concentration of L-cysteine salt are 0.21-0.26%.Fresh-cut yams are immersed in colour protecting liquid, soaking time It is 50-70 minutes.Phytic acid is a kind of strong acid, has very strong sequestering power, and 6 electronegative phosphate groups are removed and gold It is outer to belong to cation combination, can also effectively be cooperated with protein molecule, human body can be reduced to the digestibility of protein;Separately Outside, phytic acid and citric acid, ascorbic acid, the mixing of L-cysteine salt cause color protection solution in acidity, add soaking time mistake It is long, change the intrinsic flavor of Chinese yam.
Patent publication No. is CN104273215A, and the patent of entitled " a kind of processing method of fresh yam " discloses one The preservation method of kind fresh-cut yams, it is main using the salt of raw material and the 10-18% of water total weight, the citric acid of 0.2-0.5% It is impregnated with the hexa metaphosphoric acid solution of 0.15-0.25%, salt content is too high, and people takes in food with high salt and easily causes hypertension, sclerotin Loose, gastritis, diabetes, bronchial asthma and upper respiratory tract infection.
Therefore, with the continuous enhancing of people's health consciousness, plant is derived from, green, safety preserving fruit and vegetable utilizing reagent Exploitation gradually has been favored by people.
In consideration of it, the present invention is specifically proposed.
Summary of the invention
It is an object of the present invention to provide a kind of antistaling agent, which is mainly prepared by Opuntia ficus' extracting solution It arrives.The antistaling agent is environmentally protective, can be effectively reduced polyphenol oxidase enzyme activity, plays good preservation.
It is a further object to provide a kind of preparation methods of antistaling agent.Operation is simple and feasible for this method, cost Lower, obtained antistaling agent is environmentally protective, and fresh keeping property is excellent.
It is a further object to provide the preparation methods of a kind of antistaling agent and antistaling agent answering in preserving fruit and vegetable utilizing With.
It is a further object to provide a kind of preservation methods of fruits and vegetables, utilize antistaling agent as described above, the party Method is simple and easy, can extend the shelf life of fruits and vegetables, guarantees commercial quality.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
A kind of antistaling agent, the antistaling agent are mainly prepared by Opuntia ficus' extracting solution;
Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and optional ground surfactant It obtains.
Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and surfactant;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
35-45 parts of Opuntia ficus' extracting solution, 45-56 parts of glycerol, 0.8-1.5 parts of surfactant and 480-520 parts of water;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
37-43 parts of Opuntia ficus' extracting solution, 47-54 parts of glycerol, 0.9-1.3 parts of surfactant and 490-510 parts of water;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
39-41 parts of Opuntia ficus' extracting solution, 49-52 parts of glycerol, 1-1.2 parts of surfactant and 500-505 parts of water.
Preferably, the surfactant is nonionic surface active agent;
Preferably, the surfactant includes at least one of polysorbas20, polysorbate40, polysorbate60 or Tween 80;
Preferably, the surfactant is polysorbas20.
Preferably, Opuntia ficus' extracting solution is mainly prepared by following methods:
(a) by Opuntia ficus' peeling and stripping and slicing, water is added, is heated after smashing to pieces;
(b) Opuntia ficus after heating in step (a) are centrifuged, then supernatant is taken to boil;
(c) ethyl alcohol is added in the supernatant after boiling to step (b) and carries out homogenization, adds active carbon, obtains Opuntia ficus' extracting solution.
Preferably, in the step (a), stripping and slicing 1cm3Rectangular fritter, the volume ratio of Opuntia ficus and water is 1: 1.4-1.7, heating temperature are 38-45 DEG C, heating time 75-85min;
Preferably, in the step (b), centrifugation time 18-25min;
Preferably, in the step (c), the volume ratio of supernatant and ethyl alcohol is 1:1.8-2.5, and the pressure of homogenization is 55-65MPa;
Preferably, obtained Opuntia ficus' extracting solution is refrigerated, refrigerated storage temperature is 4 DEG C.
The preparation method of antistaling agent as described above, comprising the following steps:
By Opuntia ficus' extracting solution, optionally glycerol, optional ground surfactant and optionally water mix after, protected Fresh dose.
Preferably, mixed liquid is subjected to homogenization, pressure 45-55MPa.
Application of the preparation method of antistaling agent as described above or the antistaling agent in preserving fruit and vegetable utilizing;
Preferably, the fruits and vegetables include at least one of Chinese yam, potato, banana, strawberry and Kiwi berry, the fruits and vegetables Preferably Chinese yam.
A kind of preservation method of fruits and vegetables is carried out fresh-keeping using antistaling agent as described above.
Preferably, the preservation method of the fruits and vegetables, comprising the following steps:
Fruits and vegetables are sliced, are impregnated with the antistaling agent, then drain, then refrigerated;
Preferably, soaking time 85-95s;
Preferably, refrigerated storage temperature is 4 DEG C.
Compared with the prior art, the invention has the following beneficial effects:
(1) antistaling agent in the present invention is mainly prepared by Opuntia ficus' extracting solution.Opuntia ficus' extracting solution Can be avoided it is existing in the prior art using the substances such as sodium hydrogensulfite carry out preserving fruit and vegetable utilizing health threat is caused to human body Problem, it is environmentally protective, reduce polyphenol oxidase enzyme activity with can dramatically, and by addition glycerol and surfactant, it can Preferable emulsification and peptizaiton are played, inhibition of Opuntia ficus' extracting solution to polyphenol oxidase enzyme activity is further enhanced, from And play good preservation.
(2) preparation method of the antistaling agent in the present invention, operation is simple and feasible, and cost is relatively low, obtained antistaling agent green Environmental protection plays good inhibiting effect to polyphenol oxidase enzyme activity, and fresh keeping property is excellent.
(3) application of the preparation method of antistaling agent and antistaling agent provided by the invention in preserving fruit and vegetable utilizing, can be good at It is fresh-keeping to fruits and vegetables progress, it is especially fresh-keeping to Chinese yam progress, freshness-retained 9-12 days.
(4) preservation method of the fruits and vegetables in the present invention, fresh-keeping using antistaling agent as described above progress, this method is simply easy Row has good fresh-keeping effect, can extend the shelf life of fruits and vegetables, guarantees commercial quality.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific Condition person according to normal conditions or manufactures.
According to an aspect of the present invention, a kind of antistaling agent, the antistaling agent are mainly prepared by Opuntia ficus' extracting solution It obtains;
Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and optional ground surfactant It obtains.
Opuntia ficus in the present invention are Cactaceae opuntia, have clearing lung and relieving cough, the function of removing pattogenic heat from the blood and toxic material from the body Effect.Stipes oblong to cochlear, berry obovate elliptic is similar to pears, sweet, edible.China various regions are by cultivation.The operatic circle Containing multiple kinds of carbohydrate such as L- pectinose, L- rhamnose and D- xyloses in cactus cladode, with intracellular water knot There is preferable hydrodynamic characteristic, in the fruit and vegetable surfaces edibility easy to form with better nutritivity value after film after conjunction Film, the film can reduce the respiration of fruits and vegetables, reduce the consumption of moisture scattered and disappeared with nutriment, and have bacteriostasis property, To have certain Fresh-keeping effect.
It is individually fresh-keeping to fruits and vegetables progress using Opuntia ficus' extracting solution in the present invention, the polyphenol of fruits and vegetables can be significantly reduced Oxidase, and the addition of glycerol and surfactant can further enhance Opuntia ficus' extracting solution to polyphenol oxidase The inhibition of enzyme activity, because glycerol and surfactant can play good emulsification and peptizaiton, to enhance the operatic circle celestial being People slaps the coating-film fresh-keeping effect of extracting solution, plays good preservation.
Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and surfactant;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
35-45 parts of Opuntia ficus' extracting solution, 45-56 parts of glycerol, 0.8-1.5 parts of surfactant and 480-520 parts of water.
By using 35-45 parts of Opuntia ficus' extracting solutions, 45-56 parts of glycerol, 0.8-1.5 parts of surfactants and 480- The antistaling agent that 520 parts of water obtains has good fresh-keeping effect.
The parts by weight of Opuntia ficus' extracting solution it is typical but non-limiting be, for example, 35 parts, 36 parts, 37 parts, 38 parts, 39 parts, 40 parts, 41 parts, 42 parts, 43 parts, 44 parts or 45 parts.
Glycerol it is typical but parts by weight it is typical but non-limiting be, for example, 45 parts, 46 parts, 47 parts, 48 parts, 49 parts, 50 Part, 51 parts, 52 parts, 53 parts, 54 parts, 55 parts or 56 parts.
The typical but non-limiting parts by weight of surfactant are, for example, 0.8 part, 0.9 part, 1 part, 1.1 parts, 1.2 Part, 1.3 parts, 1.4 parts or 1.5 parts.
The typical but non-limiting parts by weight of water are, for example, 480 parts, 485 parts, 490 parts, 495 parts, 500 parts, 505 Part, 510 parts, 515 parts or 520 parts.
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
37-43 parts of Opuntia ficus' extracting solution, 47-54 parts of glycerol, 0.9-1.3 parts of surfactant and 490-510 parts of water;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
39-41 parts of Opuntia ficus' extracting solution, 49-52 parts of glycerol, 1-1.2 parts of surfactant and 500-505 parts of water.
By being matched still further preferably to Opuntia ficus' extracting solution, glycerol, surfactant and water, antistaling agent Further raising can be obtained in fresh-keeping effect.
Preferably, the surfactant is nonionic surface active agent;
Nonionic surface active agent is a kind of surfactant for not generating ion in aqueous solution, its in water molten Solution is since it has to the very strong functional group of water affinity, and compared with anionic surfactant, emulsifying capacity is higher, and It is detergent, ingredient indispensable in emulsifiers formula with certain resistance to hard water ability.It is added in antistaling agent of the invention Nonionic surface active agent can play preferable peptizaiton, to improve the coating-film fresh-keeping of Opuntia ficus' extracting solution Effect.
Preferably, the surfactant includes at least one of polysorbas20, polysorbate40, polysorbate60 or Tween 80;
Preferably, the surfactant is polysorbas20.
Existing hydrophilic part on polysorbas20 molecule, and have the part of oleophylic, it can promote plant absorption in water cannot be molten The macromolecular of solution can also help moisture through some biomembranes high containing rouge.Using polysorbas20 as surfactant, have more Good peptizaiton, to assign Opuntia ficus' extracting solution more excellent coating-film fresh-keeping effect.
Preferably, Opuntia ficus' extracting solution is mainly prepared by following methods:
(a) by Opuntia ficus' peeling and stripping and slicing, water is added, is heated after smashing to pieces;
(b) Opuntia ficus after heating in step (a) are centrifuged, then supernatant is taken to boil;
(c) ethyl alcohol is added in the supernatant after boiling to step (b) and carries out homogenization, adds active carbon, obtains Opuntia ficus' extracting solution.
Preferably, in the step (a), stripping and slicing 1cm3Rectangular fritter, the volume ratio of Opuntia ficus and water is 1: 1.4-1.7, heating temperature are 38-45 DEG C, heating time 75-85min;
The typical but non-limiting volume ratio of Opuntia ficus and water is, for example, 1:1.4,1:1.5,1:1.6 or 1:1.7.
Typical but non-limiting heating temperature is, for example, 38 DEG C, 39 DEG C, 40 DEG C, 41 DEG C, 42 DEG C, 43 DEG C, 44 DEG C or 45 ℃。
Heating time it is typical but non-limiting be, for example, 75min, 76min, 77min, 78min, 79min, 80min, 81min, 82min, 83min, 84min or 85min.
Preferably, in the step (b), centrifugation time 18-25min;
Centrifugation time it is typical but non-limiting be, for example, 18min, 19min, 20min, 21min, 22min, 23min, 24min or 25min.
Preferably, in the step (c), the volume ratio of supernatant and low-carbon alcohols is 1:1.8-2.5, the pressure of homogenization For 55-65MPa;
The typical but non-limiting volume ratio of supernatant and low-carbon alcohols is, for example, 1:1.8,1:1.9,1:2,1:2.1,1: 2.2,1:2.3,1:2.4 or 1:2.5.
Pressure it is typical but non-limiting be, for example, 55MPa, 56MPa, 57MPa, 58MPa, 59MPa, 60MPa, 61MPa, 62MPa, 63MPa, 64MPa or 65MPa.
Preferably, obtained Opuntia ficus' extracting solution is refrigerated, refrigerated storage temperature is 4 DEG C.
According to another aspect of the present invention, the preparation method of antistaling agent as described above, comprising the following steps:
By Opuntia ficus' extracting solution, optionally glycerol, optional ground surfactant and optionally water mix mix after, obtain To antistaling agent.
The preparation method of antistaling agent, easy to operate in the present invention, and cost is relatively low, and obtained antistaling agent has good fresh-keeping Effect.
Preferably, obtained antistaling agent is subjected to homogenization, pressure 45-55MPa.
Pressure it is typical but non-limiting be, for example, 45MPa, 46MPa, 47MPa, 48MPa, 49MPa, 50MPa, 51MPa, 52MPa, 53MPa, 54MPa or 55MPa.
According to another aspect of the present invention, the preparation method of antistaling agent as described above or the antistaling agent is in fruits and vegetables Application in fresh-keeping;
Preferably, the fruits and vegetables include at least one of Chinese yam, potato, banana, strawberry and Kiwi berry, the fruits and vegetables Preferably Chinese yam.
It is understood that the antistaling agent in the present invention can be applied in the fruit such as banana, Kiwi berry and strawberry, can also answer In the vegetables such as Chinese yam and potato, wherein strawberry does not need to be sliced, and below mainly by taking Chinese yam as an example, carries out further detailed Thin explanation, but this is not considered a disclaimer of those alternate embodiments.
According to another aspect of the present invention, a kind of preservation method of fruits and vegetables, is protected using antistaling agent as described above It is fresh.
Preferably, the preservation method of fruits and vegetables as described above, comprising the following steps:
Fruits and vegetables are sliced, are impregnated with antistaling agent as described above, then drain, then refrigerated.
Preferably, soaking time 85-95s.
Typical but non-limiting soaking time is, for example, 85s, 86s, 87s, 88s, 89s, 90s, 91s, 92s, 93s, 94s Or 95s.
Preferably, refrigerated storage temperature is 4 DEG C.
In a preferred embodiment, Chinese yam preservation method the following steps are included:
(a) Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular Deionized water is added into cactus according to the ratio that volume ratio is 1:1.4-1.7, is placed in tissue mashing machine and smashs to pieces for fritter, Solution is kept into 75-85min at 38-45 DEG C, is then centrifuged for 18-25min.Supernatant is taken out, is boiled, until volume is reduced to The half of original volume.Ethyl alcohol is added into supernatant according still further to the ratio that volume ratio is 1:1.8-2.5, is carried out in homogenizer equal Matter, pressure 55-65MPa.Then active carbon being added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, Clear liquid is put into 4 DEG C of refrigerators and is refrigerated;
Alternatively, 35-45 parts of Opuntia ficus' extracting solution are taken, water 480-520 parts of addition, 45-56 parts of glycerol and optional earth's surface Activating agent 0.8-1.5 parts of face, carries out homogeneous in homogenizer, and antistaling agent is made in pressure 45-55MPa;
(b) it is cut into the disk with a thickness of 0.2-0.5cm after the Chinese yam that diameter is 5cm being cleaned, removed the peel, is put into fresh-keeping liquid 85-95s is impregnated, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Below with reference to specific embodiment and control group, the present invention will be further described.
Embodiment 1
A kind of antistaling agent is made of 35 parts of Opuntia ficus' extracting solutions;
The preparation method of the antistaling agent, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.4, is placed in tissue mashing machine and smashs to pieces, by solution for block 85min is kept at 38 DEG C, is then centrifuged for 15min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:1.8, homogeneous, pressure 55MPa are carried out in homogenizer.Then Active carbon is added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Middle refrigeration.
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.2cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into fresh-keeping liquid and impregnates 85s takes out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 2
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
35 parts of Opuntia ficus' extracting solution, 56 parts of glycerol and 480 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
35 parts of Opuntia ficus' extracting solution are taken, 480 parts and 56 parts of glycerol of water is added, homogeneous, pressure is carried out in homogenizer For 45MPa, antistaling agent is made.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into the rectangular small of 1cm3 Deionized water is added into cactus according to the ratio that volume ratio is 1:1.7, is placed in tissue mashing machine and smashs to pieces, by solution for block 75min is kept at 45 DEG C, is then centrifuged for 25min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:2.5, homogeneous, pressure 65MPa are carried out in homogenizer.Then Active carbon is added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Middle refrigeration;
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.5cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 95s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 3
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
35 parts of Opuntia ficus' extracting solution, 56 parts of glycerol, 0.8 part of polysorbas20 and 480 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
35 parts of Opuntia ficus' extracting solution are taken, 480 parts of water of addition, 56 parts of glycerol and 0.8 part of polysorbas20, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 45MPa.
Wherein, the preparation method in the preparation method with embodiment 3 of Opuntia ficus' extracting solution is identical;
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.3cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into antistaling agent and impregnates 95s takes out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 4
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
45 parts of Opuntia ficus' extracting solution, 45 parts of glycerol, 1.5 parts of polysorbate40 and 520 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
45 parts of Opuntia ficus' extracting solution are taken, 520 parts of water of addition, 56 parts of glycerol and 0.8 part of polysorbate40, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 55MPa.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.4, is placed in tissue mashing machine and smashs to pieces, by solution for block 85min is kept at 38 DEG C, is then centrifuged for 18min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:1.8, homogeneous, pressure 55MPa are carried out in homogenizer.Then Active carbon is added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Middle refrigeration;
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.4cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 85s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 5
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
36 parts of Opuntia ficus' extracting solution, 55 parts of glycerol, 0.85 part of polysorbate40 and 515 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
36 parts of Opuntia ficus' extracting solution are taken, 515 parts of water of addition, 55 parts of glycerol and 0.85 part of polysorbate40, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 48MPa.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.5, is placed in tissue mashing machine and smashs to pieces, by solution for block 78min is kept at 43 DEG C, is then centrifuged for 24min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:2.3, homogeneous, pressure 58MPa are carried out in homogenizer.Then Active carbon is added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Middle refrigeration;
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.4cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 87s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 6
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
44 parts of Opuntia ficus' extracting solution, 46 parts of glycerol, 1.4 parts of polysorbate60 and 485 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
44 parts of Opuntia ficus' extracting solution are taken, 485 parts of water of addition, 46 parts of glycerol and 1.4 parts of polysorbate60, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 54MPa.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.6, is placed in tissue mashing machine and smashs to pieces, by solution for block 83min is kept at 41 DEG C, is then centrifuged for 22min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:2.1, homogeneous, pressure 63MPa are carried out in homogenizer.Then Active carbon is added into mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Middle refrigeration.
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.3cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 93s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 7
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
37 parts of Opuntia ficus' extracting solution, 54 parts of glycerol, 0.9 part of Tween 80 and 510 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
37 parts of Opuntia ficus' extracting solution are taken, 510 parts of water of addition, 54 parts of glycerol and 0.9 part of Tween 80, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 50MPa.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.6, is placed in tissue mashing machine and smashs to pieces, by solution for block 83min is kept at 40 DEG C, is then centrifuged for 22min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:2, homogeneous, pressure 60MPa are carried out in homogenizer.Then past Active carbon is added in mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Refrigeration.
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.4cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 90s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 8
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
43 parts of Opuntia ficus' extracting solution, 47 parts of glycerol, 1.3 parts of polysorbas20 and 490 parts of water.
The preparation method of the antistaling agent, comprising the following steps:
43 parts of Opuntia ficus' extracting solution are taken, 490 parts of water of addition, 47 parts of glycerol and 1.3 parts of polysorbas20, in homogenizer Homogeneous is carried out, antistaling agent is made in pressure 50MPa.
Wherein, the preparation method of Opuntia ficus' extracting solution, comprising the following steps:
Opuntia ficus' cladode is cut with stainless steel knife, removes prickle and epidermis, stem is cut into 1cm3It is rectangular small Deionized water is added into cactus according to the ratio that volume ratio is 1:1.5, is placed in tissue mashing machine and smashs to pieces, by solution for block 80min is kept at 40 DEG C, is then centrifuged for 20min.Supernatant is taken out, is boiled, until volume is reduced to the half of original volume.Again Ethyl alcohol is added into supernatant according to the ratio that volume ratio is 1:2, homogeneous, pressure 60MPa are carried out in homogenizer.Then past Active carbon is added in mixed solution and removes chlorophyll, clear liquid is antistaling agent, and clear liquid is put into 4 DEG C of refrigerators Refrigeration.
A kind of preservation method of Chinese yam, comprising the following steps:
It is cut into the disk with a thickness of 0.4cm after the Chinese yam that diameter is 5cm is cleaned, removed the peel, is put into above-mentioned antistaling agent and soaks 90s is steeped, is taken out, is placed in meshed vinyl disc and drains, then be placed in crisper to be placed in 4 DEG C of refrigerators and store.
Embodiment 9
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
39 parts of Opuntia ficus' extracting solution, 52 parts of glycerol, 1 part of polysorbas20 and 505 parts of water.
The preparation method of the antistaling agent is same as Example 8.
A kind of preservation method of Chinese yam is same as Example 8.
Embodiment 10
A kind of antistaling agent is mainly prepared by the raw material of following parts by weight:
41 parts of Opuntia ficus' extracting solution, 49 parts of glycerol, 1.2 parts of polysorbas20 and 500 parts of water.
The preparation method of the antistaling agent is same as Example 8.
A kind of preservation method of Chinese yam is same as Example 8.
Control group
It is compareed using deionized water.
A kind of antistaling agent, only adds 515 parts of water, other operating procedures are same as Example 5.
Test example
By the Chinese yam every 3 days whiteness of test and polyphenol oxidase enzyme activity in embodiment and control group, test result is such as Shown in table one and table two.
One polyphenol oxidase enzyme activity test result of table
Two Chinese yam whiteness test result of table
Antistaling agent in embodiment 1-10 it can be seen from table one and table two has excellent fresh-keeping effect, the operatic circle celestial being Palm extracting solution can significantly reduce fresh-cut yams polyphenol oxidase enzyme activity, keep the whiteness of fresh-cut yams;Glycerol and surface-active The addition of agent can further enhance inhibition of Opuntia ficus' extracting solution to polyphenol oxidase enzyme activity, improve Opuntia ficus and extract The whiteness of liquid keeps effect;And it, can be more by the proportion of optimization Opuntia ficus' extracting solution, glycerol, surfactant and water The inhibiting effect to polyphenol oxidase enzyme activity is further increased, Chinese yam whiteness is kept, enhances the fresh-keeping effect to Chinese yam.
As different from Example 5, be only soaked in water control group Chinese yam, poor to polyphenol oxidase enzyme activity inhibitory effect, Chinese yam whiteness keeps effect bad, and the 9th day polyphenol oxidase enzyme activity is 85 ± 0.86U/g, and Chinese yam whiteness drops to 53.1 ± 0.60%, and the Chinese yam in embodiment 5 the 9th day polyphenol oxidase enzyme activity be 32.5 ± 0.64U/g, whiteness be 67.9 ± 0.13%, there is preferable fresh-keeping effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of antistaling agent, which is characterized in that the antistaling agent is mainly prepared by Opuntia ficus' extracting solution;
Preferably, the antistaling agent is mainly prepared by Opuntia ficus' extracting solution, glycerol, water and optional ground surfactant It arrives.
2. antistaling agent according to claim 1, which is characterized in that the antistaling agent mainly by Opuntia ficus' extracting solution, Glycerol, water and surfactant are prepared;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
35-45 parts of Opuntia ficus' extracting solution, 45-56 parts of glycerol, 0.8-1.5 parts of surfactant and 480-520 parts of water;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
37-43 parts of Opuntia ficus' extracting solution, 47-54 parts of glycerol, 0.9-1.3 parts of surfactant and 490-510 parts of water;
Preferably, the antistaling agent is mainly prepared by the raw material of following parts by weight:
39-41 parts of Opuntia ficus' extracting solution, 49-52 parts of glycerol, 1-1.2 parts of surfactant and 500-505 parts of water.
3. antistaling agent according to claim 1, which is characterized in that the surfactant is non-ionic surfactant Agent;
Preferably, the surfactant includes at least one of polysorbas20, polysorbate40, polysorbate60 or Tween 80;
Preferably, the surfactant is polysorbas20.
4. antistaling agent according to claim 1-3, which is characterized in that Opuntia ficus' extracting solution mainly by Following methods are prepared:
(a) by Opuntia ficus' peeling and stripping and slicing, water is added, is heated after smashing to pieces;
(b) Opuntia ficus after heating in step (a) are centrifuged, then supernatant is taken to boil;
(c) ethyl alcohol is added in the supernatant after boiling to step (b) and carries out homogenization, adds active carbon, obtains the operatic circle Cactus extraction.
5. antistaling agent according to claim 4, which is characterized in that in the step (a), stripping and slicing 1cm3Rectangular fritter, The volume ratio of Opuntia ficus and water is 1:1.4-1.7, and heating temperature is 38-45 DEG C, heating time 75-85min;
Preferably, in the step (b), centrifugation time 18-25min;
Preferably, in the step (c), the volume ratio of supernatant and ethyl alcohol is 1:1.8-2.5, and the pressure of homogenization is 55- 65MPa;
Preferably, obtained Opuntia ficus' extracting solution is refrigerated, refrigerated storage temperature is 4 DEG C.
6. the preparation method of antistaling agent as described in any one in claim 1-5, which comprises the following steps:
By Opuntia ficus' extracting solution, optionally glycerol, optional ground surfactant and optionally water mix after, obtain fresh-keeping Agent.
7. the preparation method of antistaling agent according to claim 6, which is characterized in that carry out mixed liquid at homogeneous Reason, pressure 45-55MPa.
8. the preparation method of the described in any item antistaling agents of claim 1-5 or the described in any item antistaling agents of claim 6-7 Application in preserving fruit and vegetable utilizing;
Preferably, the fruits and vegetables include at least one of Chinese yam, potato, banana, strawberry and Kiwi berry, and the fruits and vegetables are preferred For Chinese yam.
9. a kind of preservation method of fruits and vegetables, which is characterized in that protected using the described in any item antistaling agents of claim 1-5 It is fresh.
10. the preservation method of fruits and vegetables according to claim 9, which comprises the following steps:
Fruits and vegetables are sliced, are impregnated with the antistaling agent, then drain, then refrigerated;
Preferably, soaking time 85-95s;
Preferably, refrigerated storage temperature is 4 DEG C.
CN201811022834.7A 2018-09-03 2018-09-03 Antistaling agent and preparation method thereof, application and fruit and vegetable preserving method Pending CN109090222A (en)

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Application publication date: 20181228