Wolfberry soluble dietary fiber and preparation method thereof

A dietary fiber and soluble technology, which is applied in the field of biochemical engineering, can solve the problems not involved in residue treatment, etc., and achieve the effect of excellent cholesterol adsorption capacity, simple process and simple equipment requirements

Active Publication Date: 2014-12-24
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For another example, the following patents related to the deep processing of Chinese wolfberry do not involve residue treatment

Method used

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  • Wolfberry soluble dietary fiber and preparation method thereof
  • Wolfberry soluble dietary fiber and preparation method thereof
  • Wolfberry soluble dietary fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] (1) Raw materials: Lycium barbarum residue produced from the production of Lycium barbarum alcohol extract;

[0088] (2) Acid extraction: add 5 times the weight of 0.7% hydrochloric acid to soak in wolfberry residue, then extract, the extraction time is 10h; solid-liquid separation, collect supernatant;

[0089] (3) Concentration: Concentrate the supernatant until the solid content is 10%;

[0090] (4) Precipitation: Precipitate the above concentrate with 100% ethanol;

[0091] (5) Drying: the precipitate is cleaned with 75% ethanol; the washed precipitate is dried, and the dried material is pulverized or ground to obtain soluble wolfberry dietary fiber.

Embodiment 2

[0093] (1) Raw materials: Lycium barbarum residue produced in the production of wolfberry fermented wine;

[0094] (2) Acid extraction: add 10% citric acid of 35 times of weight to soak in wolfberry residue, then extract, extraction time is 0.5; solid-liquid separation, collect supernatant;

[0095] (3) Concentration: Concentrate the supernatant until the solid content is 65%;

[0096] (4) Precipitation: Precipitate the above concentrate with 50% ethanol;

[0097] (5) Drying: the precipitate is washed with 100% ethanol; the washed precipitate is dried, and the dried material is pulverized or ground to obtain soluble wolfberry dietary fiber.

Embodiment 3

[0099] (1) Raw materials: Lycium barbarum residue produced from producing Lycium barbarum polysaccharide, Lycium barbarum residue produced from producing Lycium barbarum fruit wine, Lycium barbarum residue mixture produced from producing Lycium barbarum fermented wine;

[0100] (2) acid extraction: add 0.1% hydrochloric acid, acetic acid, citric acid, malic acid, mixed acid soaking of 10 times of weight in wolfberry residue, then extract, extraction time is 2; solid-liquid separation, collect supernatant;

[0101] (3) Concentration: Concentrate the supernatant until the solid content is 30%;

[0102] (4) Precipitation: Precipitate the concentrate with a concentration of 70% ethanol;

[0103] (5) Drying: the precipitate is washed with 85% ethanol; the washed precipitate is dried, and the dried material is pulverized or ground to obtain soluble wolfberry dietary fiber.

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Abstract

The invention relates to a wolfberry soluble dietary fiber and a preparation method thereof. The soluble dietary fiber is separated from medlar residues; the medlar residues comprise residues produced by producing wolfberry juice, wolfberry fruit wine, wolfberry polysaccharide, wolfberry aqueous extracts, wolfberry alcohol extracts and the like. The preparation method comprises the following steps of treating the wolfberry residues by an acidic liquid, an alkaline liquid or enzymes, performing solid-liquid separation on a treating liquid, concentrating a clear liquid, depositing ethanol, and drying to obtain the wolfberry soluble dietary fiber. The technology is simple; the requirement for equipment is low; the color of a product is relatively good, and the product is relatively high in dissolvability, expanding capacity, water-holding capacity and oil-holding capacity; the wolfberry soluble dietary fiber is suitable for developing health food or being used as a food additive.

Description

technical field [0001] The invention relates to the technical field of biochemical engineering, in particular to a wolfberry soluble dietary fiber and a preparation method thereof, in particular to a soluble dietary fiber obtained by separating wolfberry dregs produced by factories to produce wolfberry wine, wolfberry polysaccharide, wolfberry juice, etc., and to its preparation method. Background technique [0002] In recent years, with the rapid development of the wolfberry industry, the national wolfberry planting area has reached more than 1 million mu, and more than 100 enterprises have been involved in the field of wolfberry deep processing, with a capital of more than 8 billion yuan and an annual production of about 15,000 tons Lycium barbarum residue, these wolfberry residues have not been effectively utilized for a long time, resulting in a great waste of resources and environmental pollution. [0003] At present, the wolfberry residues produced in the field of wol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L1/29A23L19/00A23L33/00
CPCA23L33/22A23V2002/00A23V2250/5116
Inventor 赵兵赵庆生王晓东
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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