Method for preparing beta-glucan in highland barley vinasse

A technology of dextran and highland barley wine, which is applied to medical preparations containing active ingredients, pharmaceutical formulas, food science, etc., can solve the problems of surrounding environmental pollution, corruption and deterioration, and achieve high-value comprehensive utilization and low cost , The method is simple and easy to implement

Inactive Publication Date: 2019-09-13
北京市营养源研究所有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Distiller's grains are rich in a large number of nutrients such as crude starch, crude fiber, crude protein, etc. A large amount of hoarding and open-air stacking of distiller's grains is prone to corruption and deterioration, causing surrounding environmental pollution

Method used

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  • Method for preparing beta-glucan in highland barley vinasse
  • Method for preparing beta-glucan in highland barley vinasse
  • Method for preparing beta-glucan in highland barley vinasse

Examples

Experimental program
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Effect test

Embodiment 1

[0053] The preparation method of β-glucan in highland barley distiller's grains comprises the following steps:

[0054] 1) drying the highland barley distiller's grains to a moisture content of 12.5%, removing impurities (gravel, etc.), crushing, and passing through a 30-mesh sieve to obtain highland barley distiller's grains powder;

[0055] 2) Weigh 300g of the above highland barley distiller's grains powder, add 3000ml of 80% ethanol, mix well, boil and reflux for 2 hours, filter, take the filter residue and dry at 40°C for 12 hours;

[0056] 3) Weigh 120g of distiller's grain filter residue dried in step 2), add 1200mL of water, stir evenly, adjust the pH to 8.0 with sodium hydroxide solution, heat and stir at 70°C for 4h, centrifuge at 6000r / min for 5min, remove the precipitate, and obtain β - Dextran crude extract.

[0057] 4) High temperature α-amylase enzymatic hydrolysis:

[0058] Adjust the pH of the crude β-glucan extract in step 3) to 6.0, add 2.4 g of high-tempera...

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Abstract

The invention relates to beta-glucan in highland barley vinasse, specifically to a preparation method of beta-glucan in highland barley vinasse. To solve the problem of interference of impurities in vinasse with the extraction of beta-glucan and in allusion to the characteristics of beta-glucan in vinasse, the invention mainly adopts multi-stage alcohol precipitation combined ultrafiltration membrane filtration technology to purify polysaccharide, thus improving yield and purity of beta-glucan. The extraction method is simple and easy for industrial production, and is beneficial to further promote the value-added utilization of vinasse.

Description

technical field [0001] The invention relates to beta-glucan of highland barley distiller's grains, in particular to a preparation method of beta-glucan in distiller's grains of highland barley. Background technique [0002] Highland barley is an annual crop of barley belonging to the Gramineae family. Because the inner and outer glumes are separated and the kernels are exposed, it is called naked barley, also known as barley and rice barley. The nutritional composition of highland barley conforms to the diet structure of "three highs and two lows", and it is a green natural grain that combines the reputation of health food and health food. According to the "Supplements to Materia Medica": Highland barley, the lower Qi is wide and medium, strong and lean, dehumidifying and sweating, and antidiarrheal. Tibetan medicine classics "Jingzhu Materia Medica" even uses highland barley as an important medicine to treat various diseases. Therefore, highland barley is a kind of import...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/02A61K31/715A23L33/125
CPCA23V2002/00A61K31/715A23L33/125C08B37/0003C08B37/0024A23V2250/5034
Inventor 李晶杜艳鲁绯李东穆晓婷
Owner 北京市营养源研究所有限公司
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