CN105725030A - Method for effectively improving production performance in dehydrating and drying residual fruit processing solid matter - Google Patents

Method for effectively improving production performance in dehydrating and drying residual fruit processing solid matter Download PDF

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Publication number
CN105725030A
CN105725030A CN201610063739.6A CN201610063739A CN105725030A CN 105725030 A CN105725030 A CN 105725030A CN 201610063739 A CN201610063739 A CN 201610063739A CN 105725030 A CN105725030 A CN 105725030A
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China
Prior art keywords
residue
solid
dry
materials
acid
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CN201610063739.6A
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Inventor
徐勇
罗京
周雪莲
余世袁
勇强
朱新宝
时留新
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Nanjing Forestry University
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Nanjing Forestry University
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Priority to CN201610063739.6A priority Critical patent/CN105725030A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • A23L3/42Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution with addition of chemicals before or during drying

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Non-Alcoholic Beverages (AREA)

Abstract

The invention discloses a method for effectively improving production performance in dehydrating and drying a residual fruit processing solid matter. In the process that fruit is juiced, pectin is extracted and the like, heteropolysaccharide in materials can be degraded to a certain extent to generate a glycan colloidal substance of a reduced polymerization degree, so that the residual fruit processing solid matter is very high in water holding capacity and hard to dehydrate and dry, and later preservation, storage, transportation and deep processing of the materials can be severely restricted. The method comprises the following steps: adding an inorganic acid to adjust the pH value of the residual fruit processing matter to 1.00-1.50, and performing intermittent temperature treatment at 110-135 DEG C for 15-80 minutes. Therefore, cellulose in the materials can be retained, meanwhile non-cellulose heteropolysaccharide can be selectively hydrolyzed to generate oligosaccharide or monosaccharide which can be dissolved out, that is, glycan colloid structures in the materials are effectively broken, furthermore the water holding capacity of the materials is remarkably increased, the production performance in rapidly dehydrating and drying a product is improved, the energy consumption and the process cost are greatly reduced, and moreover appropriate raw materials can be provided for producing high-quality dietary fiber and the like on the basis of the residual fruit processing solid matter.

Description

A kind of method being effectively improved processing fruits residue solid content dehydration and dry production performance
One, technical field
The present invention relates to a kind of method being effectively improved processing fruits residue solid content dehydration and dry production performance, particularly to utilizing the heteropolysaccharide colloid of non-cellulose in acid and medium temperature condition degradation selectivity and dissolution residue, to significantly reduce material moisture holding capacity and then to improve its dehydration and the method drying prouctiveness.
Two, background technology
Fruit is being squeezed the juice especially in the course of processing such as pectin extraction, in material, contained heteropolysaccharide can produce a degree of degraded and generate the polysaccharide class colloidal substance that the degree of polymerization reduces, cause that processing residue solid content has very strong moisture holding capacity, it is difficult to dehydration and drying, test result shows, Fructus Mali pumilae is generally more than 85.0% through squeezing the juice and remaining the moisture of solid content after acidity extraction pectin, apparent upper for the pasty solid containing a large amount of colloids.Result of the test shows, the Fructus Mali pumilae processing that moisture is 87.2% remains solid content and fully squeezes in 0.50MPa when, and its moisture can only be down to 84.0% (content);Again this material being gone to electrical heating drying baker, under 105 DEG C of conditions, dry 1.5h moisture is 80.0% (mass content);Extend drying time to 24h moisture and still remain in about 20% (mass content).As can be seen here, this type of processing fruits residue solid content is extremely difficult to dehydration and dry.
At present, processing fruits residue is regulated to pH1.00~1.50 by adding a certain amount of fixedness organic acid, adopt 110~135 DEG C of heat-treated under medium temperature 15~80min, retain in material cellulosic while optionally the heteropolysaccharide of non-cellulose can be hydrolyzed and generate oligosaccharide or monosaccharide dissolution, can effectively destroy the polysaccharide colloform texture in material, make the degradation rate of non-cellulose heteropolysaccharide more than 85%.Adopt hot-air seasoning solid material can prepare the moisture product lower than 8.5% (mass content) further.
Three, summary of the invention
Goal of the invention: fruit is being squeezed the juice and in the course of processing such as pectin extraction, in material, contained heteropolysaccharide can produce a degree of degraded and generate the polysaccharide class colloidal substance that the degree of polymerization reduces, cause that processing residue solid content has very strong moisture holding capacity, it is difficult to dehydration and drying, restricts follow-up material preservation storing and deep processing.Add mineral acid and regulate processing fruits residue, adopt heat-treated under medium temperature certain time, and can also optionally the heteropolysaccharide of non-cellulose be hydrolyzed the while of cellulosic in reservation material generation oligosaccharide or monosaccharide dissolution, namely the polysaccharide colloform texture in material is effectively destroyed, and then material retentiveness of significantly degrading, reach the fast dewatering of product, reduce drying time.
Technical scheme: in order to realize foregoing invention purpose, the technical solution used in the present invention is as follows:
1, a kind of method being effectively improved processing fruits residue solid content dehydration and dry production performance, it is characterised in that include below step:
(1) in retort, the processing residue solid content after the fruit pectin that moisture is 80~90% (mass content) extracts is added, add proper inorganic acid and be sufficiently stirred for pH1.00~1.50 of mix homogeneously adjustment residue, control temperature of charge 110~135 DEG C reaction 15~80min, being degraded into water miscible oligosaccharide or monosaccharide retaining the cellulosic heteropolysaccharide colloid making other non-cellulose simultaneously, the degradation rate of non-cellulose heteropolysaccharide is more than 85%.
(2) material processed with solid base or high alkali liquid neutralization procedure (1) is to pH5.50~7.00, adopts hot-air seasoning namely can prepare the moisture product lower than 8.5% (mass content).Compared with the processing fruits residue processed without step (1), more than 70% (calculating based on box-type drying) is saved in dry power consumption, and dry rate improves more than 10 times.
(3) adopt filtration or suction strainer to separate the material processed through step (1) and respectively obtain liquid material and solid material, appropriate sig water can be added and water cleans solid material, regulate final solid material and liquid material pH value to 5.50~7.00 by adding alkali.Adopt hot-air seasoning solid material namely can prepare the moisture product lower than 5.0% (mass content).Compared with the processing fruits residue processed without step (1), more than 80% (calculating based on box-type drying) is saved in dry power consumption, and dry rate improves more than 12 times.
The described substrate in reaction system is: types of fruits includes Fructus Mali pumilae, pears, Fructus Persicae, Fructus Citri tangerinae and their combination in any;Processing fruits residue solid content refers to the moisture solid, shaped residue after the production such as fruit juice and pectin of learning from else's experience.
Described reaction system condition is: the acid added in processing fruits residue solid content processing procedure includes the food-grade acid reagent such as sulphuric acid, phosphoric acid, hydrochloric acid and nitric acid;The pH value range regulating residue is 1.00~1.50;Material temperature ranges is 110~135 DEG C, and the response time is 15~80min.
Beneficial effect: the present invention by processing the pH value and middle temperature reaction condition adding mineral acid control material in residue solid content to fruit juice and pectin, the non-cellulose heteropolysaccharide colloid in solid content can be remained after selective catalysis degraded processing fruits retaining cellulosic while, effectively to destroy heteropolysaccharide colloform texture in material and pole significantly decreases the moisture holding capacity of material, thus being effectively improved the fast dewatering of product and the production performance of drying, it is greatly saved energy consumption and process costs, and can for remaining, based on processing fruits, the raw material that the solid content high-quality dietary cellulose of production etc. provides suitable.
Four, detailed description of the invention
Embodiment 1
Take apple pectin processing residue solid content 500g (butt) that moisture is 87.0%, adopt rake agitating device in being sufficiently mixed under condition and drip 50% sulphuric acid (mass concentration) regulating material to pH1.00, react 80min in 110 DEG C.Fiber in material element degraded dissolution rate is lower than 5.0%, and non-cellulose heteropolysaccharide degraded dissolution rate is higher than 90.0%.Material is through being naturally cooling to 60 DEG C.Under helical screw agitator is sufficiently mixed condition, drips 50%NaOH solution (mass content) again regulates material pH6.50.Material is placed in electrical heating drying baker, and under 105 DEG C of conditions, dry 1.5h obtains product, and moisture is 8.20% (mass content).
Embodiment 2
Take apple pectin processing residue solid content 1000g (butt) that moisture is 87.0%, adopt screw agitating device in being sufficiently mixed under condition and drip 30% hydrochloric acid (mass content) regulating material to pH1.50, react 15min in 130 DEG C.Fiber in material element degraded dissolution rate is lower than 2.0%, and non-cellulose heteropolysaccharide degraded dissolution rate is higher than 85.0%.Material, through being naturally cooling to 60 DEG C, adopts filter bag to filter 5min in 300rmp, adopts 0.5%NaOH solution (mass content) washing material to pH7.00.Material is placed in electrical heating drying baker, and under 105 DEG C of conditions, dry 1.0h obtains product, and moisture is 4.85% (mass content).

Claims (3)

1. one kind is effectively improved processing fruits residue solid content dehydration and the dry method producing performance, it is characterised in that include below step:
(1) in retort, the industrial wood waste after the fruit pectin that moisture is 80~90% (mass content) extracts is added, add appropriate mineral acid be sufficiently stirred for mix homogeneously and regulate pH1.00~1.50 of material, control temperature of charge 110~135 DEG C reaction 15~80min, being degraded into water miscible oligosaccharide or monosaccharide retaining the cellulosic heteropolysaccharide colloid making other non-cellulose simultaneously, the degradation rate of non-cellulose heteropolysaccharide is more than 80%.
(2) material processed with solid base or high alkali liquid neutralization procedure (1) is to pH6.50~7.00, adopts hot-air seasoning namely can prepare the moisture product lower than 8.5% (mass content).Compared with the processing fruits residue processed without step (1), more than 70% (calculating based on box-type drying) is saved in dry power consumption, and dry rate improves more than 10 times.
(3) adopt filtration or suction strainer to separate the material processed through step (1) and respectively obtain liquid material and solid material, appropriate sig water can be added and water cleans solid material, regulate final solid material and liquid material pH value to 6.50~7.00 by adding alkali.Adopt hot-air seasoning solid material namely can prepare the moisture product lower than 5.0% (mass content).Compared with the processing fruits residue processed without step (1), more than 80% (calculating based on box-type drying) is saved in dry power consumption, and dry rate improves more than 12 times.
2. effective a kind of processing fruits that improves remains solid content dehydration and the dry method producing performance according to claim 1, it is characterised in that: types of fruits includes Fructus Mali pumilae, pears, Fructus Persicae, Fructus Citri tangerinae and their combination in any;Processing fruits residue solid content refers to the aqueous solid residue after the production such as fruit juice and pectin of learning from else's experience.
3. a kind of promotion a kind of improves processing fruits residue solid content dehydration and the method for dry prouctiveness according to claim 1, it is characterised in that: the acid added in processing fruits solid residue processing procedure includes the food-grade acid reagent such as sulphuric acid, phosphoric acid, hydrochloric acid and nitric acid;The pH value range regulating residue is 1.00~1.50;Material temperature ranges is 110~135 DEG C, and the response time is 15~80min.
CN201610063739.6A 2016-01-27 2016-01-27 Method for effectively improving production performance in dehydrating and drying residual fruit processing solid matter Pending CN105725030A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519069A (en) * 2016-12-28 2017-03-22 南京林业大学 Method for preparing high-yield plant pectin through two-stage method
CN108065143A (en) * 2016-11-09 2018-05-25 天津市天百商业有限公司 With the method for fresh blueberries processed fruit beverage, fruit drink and fruit preparation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101326973A (en) * 2007-02-09 2008-12-24 Cj第一制糖株式会社 A method for xylitol production using the hydrolysate containing xylose and arabinose prepared from byproduct of tropical fruit biomass
CN102597253A (en) * 2009-10-30 2012-07-18 Cj第一制糖株式会社 Process for economically manufacturing xylose from hydrolysate using electrodialysis and direct recovery method
CN103320476A (en) * 2012-03-20 2013-09-25 张爱诚 Method and technology for high-value comprehensive utilization of banana stems and leaves
CN104059249A (en) * 2009-07-28 2014-09-24 Cp凯可股份公司 Dewatering biomass material comprising polysaccharide, method for extracting polysaccharide from biomass material, and dewatered biomass material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101326973A (en) * 2007-02-09 2008-12-24 Cj第一制糖株式会社 A method for xylitol production using the hydrolysate containing xylose and arabinose prepared from byproduct of tropical fruit biomass
CN104059249A (en) * 2009-07-28 2014-09-24 Cp凯可股份公司 Dewatering biomass material comprising polysaccharide, method for extracting polysaccharide from biomass material, and dewatered biomass material
CN102597253A (en) * 2009-10-30 2012-07-18 Cj第一制糖株式会社 Process for economically manufacturing xylose from hydrolysate using electrodialysis and direct recovery method
CN103320476A (en) * 2012-03-20 2013-09-25 张爱诚 Method and technology for high-value comprehensive utilization of banana stems and leaves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108065143A (en) * 2016-11-09 2018-05-25 天津市天百商业有限公司 With the method for fresh blueberries processed fruit beverage, fruit drink and fruit preparation
CN106519069A (en) * 2016-12-28 2017-03-22 南京林业大学 Method for preparing high-yield plant pectin through two-stage method

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