CN107006865A - A kind of method that soluble dietary fiber is prepared with dragon fruit pericarp - Google Patents
A kind of method that soluble dietary fiber is prepared with dragon fruit pericarp Download PDFInfo
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- CN107006865A CN107006865A CN201710216029.7A CN201710216029A CN107006865A CN 107006865 A CN107006865 A CN 107006865A CN 201710216029 A CN201710216029 A CN 201710216029A CN 107006865 A CN107006865 A CN 107006865A
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- dietary fiber
- soluble dietary
- dragon fruit
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- pericarp
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Abstract
The invention discloses a kind of method that soluble dietary fiber is prepared with dragon fruit pericarp, in the method that soluble dietary fiber is prepared with dragon fruit pericarp：Water is added according to 1: 30 solid-liquid ratio, assists to extract using microwave power 120W, solution is subjected to suction filtration after extracting 9min.The present invention substantially reduces extraction time using soluble dietary in microwave radiation exaraction pitaya peel, reduces the influence that colloid is extracted to soluble dietary fiber, and soluble dietary fiber yield is high；Using pitaya peel as raw material, the efficient utilization of accessory substance is realized.
Description
Technical field
The invention belongs to soluble dietary fiber preparing technical field, more particularly to it is a kind of prepared with dragon fruit pericarp it is solvable
The method of property dietary fiber.
Background technology
Dragon fruit is Cactaeous plants, also known as Hylocereus undatus, Pitaya fruit, sesame fruit, Green Dragon fruit etc., originate in Central America.
Since introducing continent from the nineties, quickly grow.According to relevant departments' incomplete statistics, untill 2009, national dragon fruit kind
Plant area and reach 3239.3hm2Left and right, wherein Guangxi about 1600hm2, Guangdong about 200hm2, Hainan about 653.3hm2, Guizhou about
450hm2, the provinces and regions about 333.3hm such as Fujian and Yunnan2.Pitaya peel is the important accessory substance produced during dragon fruit is processed.Fire
Contain great amount of soluble dietary fiber in imperial fruit pericarp, can play hypoglycemic, the effect such as prevention colorectal cancer.Soluble dietary fiber
The method of preparation is more, there is acid system, alkaline process, enzyme process, fermentation method etc..Dietary fiber is extracted from pitaya peel, is reasonable utilize
The important channel of dragon fruit processing waste.At present, research of the China to dietary fiber in pitaya peel is seldom, pitaya peel
Composition has dramatically different with other materials, and gum level is more, makes in pitaya peel dietary fiber without reliable preparation method,
The dietary fiber sources for not only resulting in pitaya peel this high-quality are wasted, and cause pitaya peel to be dropped, and cause serious
Environmental problem.
The content of the invention
It is an object of the invention to provide a kind of method that soluble dietary fiber is prepared with dragon fruit pericarp, it is intended to solves
Gum level is high in pitaya peel, the problem of dietary fiber yield is low.
The present invention is achieved in that a kind of method that soluble dietary fiber is prepared with dragon fruit pericarp, described with fire
Imperial fruit pericarp is prepared in the method for soluble dietary fiber：Citric acid mass fraction 3%, extraction time 9min, microwave power
120W；Solid-liquid ratio 1: 30.
Further, the method for preparing soluble dietary fiber with dragon fruit pericarp specifically includes following steps：
Step one, shredded after pericarp is cleaned, after dries pulverizing, imperial fruit peel powder of getting fire adds citric acid；
Step 2, according to 1:15-1:35 solid-liquid ratio adds water, using microwave assisted extraction, and extracting will after 3min-9min
Solution carries out suction filtration, and filter residue adds 4 times of volume of water and carries out second extraction, and filtrate twice is merged after extraction, concentrates；
Step 3, adds 4 times of volume absolute ethyl alcohols, after standing 1 hour, centrifuges and removes supernatant, is precipitated, and does
Dry precipitation produces soluble dietary fiber.
Further, in the step one, shredded after pericarp is cleaned, put 80 DEG C and dry after drying and crushing, take pitaya peel
Powder adds its mass fraction 1%-3% citric acid.
Further, assist to extract under 80-120W power using microwave in the step 2；Merge after extraction and filter twice
Liquid, is concentrated into solid-liquid ratio 1：4.
Further, in the step 2, in order to prevent microwave heating time is long from can cause solution bumping, in heating process
In, by the way of intermittent-heating, heating 3min, interval 1min, reheats 2min for the first time, if between the extension that takes time also is used
Have a rest 1min, heats 2min mode.
Further, drying precipitated temperature is 60 DEG C in the step 3.
The method that soluble dietary fiber is prepared with dragon fruit pericarp that the present invention is provided, using microwave radiation exaraction flue
Soluble dietary in pericarp, substantially reduces extraction time, reduces influence of the colloid to soluble dietary fiber, soluble meals
Eat fiber yield high；Using pitaya peel as raw material, the efficient utilization of accessory substance is realized.
Brief description of the drawings
Fig. 1 is the method flow diagram provided in an embodiment of the present invention that soluble dietary fiber is prepared with dragon fruit pericarp.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the method provided in an embodiment of the present invention for preparing soluble dietary fiber with dragon fruit pericarp includes
Following steps：
S101：Shred, put after 80 DEG C of dries pulverizings, imperial fruit peel powder of getting fire adds its mass fraction after pericarp is cleaned
1%-3% citric acid；
S102：According to 1:15-1:35 solid-liquid ratio adds water, assists extraction under 80-120W power using microwave, extracts
Solution is subjected to suction filtration after 3min-9min, filter residue adds 4 times of volume of water and carries out second extraction, and filtrate twice is merged after extraction, dense
It is reduced to solid-liquid ratio 1：4；
S103：4 times of volume absolute ethyl alcohols are added, after standing 1 hour, centrifuges and removes supernatant, precipitated, dry
Precipitation (60 DEG C) produces soluble dietary fiber.
The method citric acid mass fraction provided in an embodiment of the present invention that soluble dietary fiber is prepared with dragon fruit pericarp
3%, extraction time 9min, microwave power 120W；Solid-liquid ratio 1:30.
The application principle of the present invention is further described with reference to experiment.
1 materials and methods
1.1 materials and instrument
1.1.1 material
Dragon fruit (red skin and white flesh), is purchased from fruit shop.The dragon fruit bought back removes pulp, stays pericarp, after pericarp is cleaned
Chopping, puts to dry in 80 DEG C of baking ovens and is crushed after 6h, takes the pitaya peel powder experiment after crushing.
1.1.2 instrument and reagent
SHZ-D (III) vacuum pump using circulatory water；Hermo MICROMAX type centrifuges；Sartorius CP225D types electronics day
It is flat；TST101A-1B electric drying oven with forced convections；CW-2000 type microwave synergistic extraction instrument.
Citric acid, is analyzed pure.
1.2 experimental method
1.2.1 the method that soluble dietary fiber is prepared with dragon fruit pericarp extracts principle and technological process
1.2.1.1 principle is extracted
Soluble dietary fiber is not digested and assimilated by human body alimentary canal, but dissolves in temperature, hot water, and its water-soluble liquid energy is by 4
The absolute ethyl alcohol reprecipitation of times volume.
1.2.2 soluble dietary fiber yield is calculated
2 single factor experiments are designed
Experiment of single factor has investigated solid-liquid ratio, Microwave Extraction time, microwave power, 4 factors pair of citric acid mass fraction
SDF recovery rates influence.Each factor sets 3-5 level, each to handle parallel laboratory test 3 times, calculates average value.
The influence that 2.1 solid-liquid ratios are extracted to soluble dietary fiber
Extract solid-liquid ratio to change, citric acid mass fraction 3%, extraction time 9min, microwave power 100W.Setting series material
Liquor ratio 1:15、1:20、1:25、1:30、1:35 pairs of samples are handled.
The influence that 2.2 microwave powers are extracted to soluble dietary fiber
Microwave power changes, citric acid mass fraction 3%, solid-liquid ratio 1: 30, extraction time 9min.
Setting series microwave power 80W, 90W, 100W, 110W, 120W are handled sample.
The influence that 2.3 Microwave Extraction times extracted to soluble dietary fiber
The Microwave Extraction time changes, citric acid mass fraction 3%, solid-liquid ratio 1: 30, microwave power 100W.
Setting serial extraction time is respectively that 3min, 5min, 7min, 9min are handled sample.Due to microwave heating
Time length can cause solution bumping, therefore in heating process, by the way of intermittent-heating, 3min, interval are heated for the first time
1min, reheats 2min, if the extension that takes time also uses interval 1min, heats 2min mode.
The influence that 2.4 citric acid mass fractions are extracted to soluble dietary fiber
Citric acid mass fraction changes, microwave power 100W, solid-liquid ratio 1: 30, extraction time 9min.
Set serial citric acid mass fraction as 1%, 2%, 3% pair of sample handles.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. a kind of method that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that the use dragon fruit pericarp system
In the method for standby soluble dietary fiber：Citric acid is added according to mass fraction 3%, 1: 30 solid-liquid ratio adds water, using micro-
Wave power 120W is assisted to extract, and solution is carried out into suction filtration after extracting 9min.
2. the method as claimed in claim 1 that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that the use
The method that dragon fruit pericarp prepares soluble dietary fiber specifically includes following steps：
Step one, shredded after pericarp is cleaned, after dries pulverizing, imperial fruit peel powder of getting fire adds citric acid；
Step 2, according to 1:15-1:35 solid-liquid ratio adds water, using microwave assisted extraction, extracts solution after 3min-9min
Suction filtration is carried out, filter residue adds 4 times of volume of water and carries out second extraction, and filtrate twice is merged after extraction, concentrates；
Step 3, adds 4 times of volume absolute ethyl alcohols, after standing 1 hour, centrifuges and removes supernatant, is precipitated, and it is heavy to dry
Shallow lake produces soluble dietary fiber.
3. the method as claimed in claim 2 that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that the step
In rapid one, shredded after pericarp is cleaned, put 80 DEG C and dry after drying and crushing, imperial fruit peel powder of getting fire adds its mass fraction 1%-
3% citric acid.
4. the method as claimed in claim 2 that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that the step
Extraction is assisted under 80-120W power using microwave in rapid two；Merge filtrate twice after extraction, be concentrated into solid-liquid ratio 1：4.
5. the method as claimed in claim 2 that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that in order to anti-
Only microwave heating time is long can cause solution bumping, in heating process, by the way of intermittent-heating, heat for the first time
3min, interval 1min, reheat 2min, if the extension that takes time also uses interval 1min, heat 2min mode.
6. the method as claimed in claim 2 that soluble dietary fiber is prepared with dragon fruit pericarp, it is characterised in that the step
Drying precipitated temperature is 60 DEG C in rapid three.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710216029.7A CN107006865A (en) | 2017-04-01 | 2017-04-01 | A kind of method that soluble dietary fiber is prepared with dragon fruit pericarp |
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| CN201710216029.7A CN107006865A (en) | 2017-04-01 | 2017-04-01 | A kind of method that soluble dietary fiber is prepared with dragon fruit pericarp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793243A (en) * | 2017-11-16 | 2019-05-24 | 镇江市丹徒区南山溪园茶叶专业合作社 | A kind of processing method that microwave assisting method extracts apple skin soluble dietary fiber |
| CN111296782A (en) * | 2018-12-11 | 2020-06-19 | 武汉市吉人实业有限责任公司 | Pitaya whole fruit powder and preparation method thereof |
| CN114304553A (en) * | 2022-01-17 | 2022-04-12 | 郑州轻工业大学 | Preparation method of pitaya dietary fiber 3D printing powder |
| CN116158538A (en) * | 2023-03-27 | 2023-05-26 | 广西冰客食品有限公司 | Process for producing Wo citrus pulp fibers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621495A (en) * | 2015-02-26 | 2015-05-20 | 吴海军 | Dragon fruit peel active dietary fiber powder and preparation method thereof |
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2017
- 2017-04-01 CN CN201710216029.7A patent/CN107006865A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104621495A (en) * | 2015-02-26 | 2015-05-20 | 吴海军 | Dragon fruit peel active dietary fiber powder and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 宋燕: "火龙果果皮中可溶性膳食纤维的提取", 《食品与发酵工业》 * |
| 程昊等: "微波辅助提取火龙果果皮中的果胶研究", 《北京农业》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793243A (en) * | 2017-11-16 | 2019-05-24 | 镇江市丹徒区南山溪园茶叶专业合作社 | A kind of processing method that microwave assisting method extracts apple skin soluble dietary fiber |
| CN111296782A (en) * | 2018-12-11 | 2020-06-19 | 武汉市吉人实业有限责任公司 | Pitaya whole fruit powder and preparation method thereof |
| CN114304553A (en) * | 2022-01-17 | 2022-04-12 | 郑州轻工业大学 | Preparation method of pitaya dietary fiber 3D printing powder |
| CN116158538A (en) * | 2023-03-27 | 2023-05-26 | 广西冰客食品有限公司 | Process for producing Wo citrus pulp fibers |
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