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Avenanthramide extract as well as extraction method and application thereof

A technology of oat anthramid and extraction method, which is applied in the application field of oat anthramid extract and oat anthramid extract, and can solve the problems of underestimating purity, emphasizing yield, and unseen oat anthramid solvent selection and condition optimization.

Inactive Publication Date: 2018-04-27
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These studies are mainly aimed at the yield of total polyphenols (determined by Folin method), and there is no solvent selection and condition optimization with avenanthramide as the target.
And from the study of extraction methods, there is a common problem that emphasis is placed on yield and purity is underestimated.

Method used

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  • Avenanthramide extract as well as extraction method and application thereof
  • Avenanthramide extract as well as extraction method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] Embodiment 1: extract oat anthramid

[0095] The implementation steps of this embodiment are as follows:

[0096] A. Oat pretreatment

[0097] Oats are disinfected with 30g / L sodium hypochlorite disinfectant aqueous solution for 10min, washed with water, then soaked in cinnamic acid aqueous solution with a concentration of 0.02% by weight at a temperature of 4°C for 24h, and drained;

[0098] B. Sprouted oats

[0099] Step A The oats drained of water were germinated in a germination tray in an incubator at 12°C and protected from light for 7 days, and sprayed with a concentration of 0.02% cinnamic acid aqueous solution by weight every 6h during the germination process , to obtain sprouted oats;

[0100] C. Sprouted Oat Treatment

[0101] Using an electric blast drying oven, dry the germinated oats obtained in step B until the moisture content is 10% by weight, and then use a swinging high-speed pulverizer to pulverize it into germinated oat flour with a particle siz...

Embodiment 2

[0107] Embodiment 2: extract oat anthramid

[0108] The implementation steps of this embodiment are as follows:

[0109] A. Oat pretreatment

[0110] Oats were disinfected with 5g / L sodium hypochlorite disinfectant aqueous solution for 30min, washed with water, then soaked at a temperature of 12°C for 20h in a cinnamic acid aqueous solution with a concentration of 0.2% by weight, and drained;

[0111] B. Sprouted oats

[0112] Step A The oats drained of water were germinated in a germination tray in an incubator at a temperature of 14°C and protected from light for 6 days, and sprayed with 0.2% cinnamic acid by weight every 18h during the germination process aqueous solution to obtain germinated oats;

[0113] C. Sprouted Oat Treatment

[0114] Dry the germinated oats obtained in step B to a moisture content of 4% by weight using an electric blast drying oven, then use a swing-type high-speed pulverizer to pulverize it into germinated oat flour with a particle size of 250 ...

Embodiment 3

[0120] Embodiment 3: extract oat anthramid

[0121] The implementation steps of this embodiment are as follows:

[0122] A. Oat pretreatment

[0123] The oats were disinfected with 20g / L sodium hypochlorite disinfectant aqueous solution for 20min, washed with water, then soaked at a temperature of 35°C for 8h in a cinnamic acid aqueous solution with a concentration of 1.2% by weight, and drained;

[0124] B. Sprouted oats

[0125]Step A The oats that have been drained of water are germinated in a germination tray in an incubator at a temperature of 16° C. and protected from light for 4 days. During the germination process, the concentration of 1.2% cinnamic acid by weight is sprayed every 10 hours. aqueous solution to obtain germinated oats;

[0126] C. Sprouted Oat Treatment

[0127] The germinated oats obtained in step B are dried to a moisture content of 11% by weight using an electric blast drying oven, and then crushed into germinated oat flour with a particle size of...

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Abstract

The invention relates to an avenanthramide extract as well as an extraction method and application thereof. The extraction method of the avenanthramide extract comprises the following steps of pretreating oat, performing oat germination, performing treatment on germinated oat, performing ultrasonic extraction, performing purification and the like. Avenanthramide is enriched through germination promoted with cinnamic acid, the effect is notable, the avenanthramide extract in which the content of the avenanthramide is 6.7-13.3% can be obtained, a useful way is provided for efficient enrichment of a natural antioxidant, the avenanthramide has favorable oxidation-resisting effect in edible oil, an advisable antioxidant source is increased for the edible oil industry and economic benefits are considerable.

Description

【Technical field】 [0001] The invention belongs to the technical field of processing and application of cereal functional components. More specifically, the present invention relates to a kind of oat anthramid extract, also relate to the extraction method of described oat anthraamide extract, also relate to the purposes of described oat anthraamide extract. 【Background technique】 [0002] Oats belong to the family Poaceae. Oats are annual herbaceous plants. According to the characteristics of lemma, they can be divided into two types: lemma type and naked type. The oats planted in my country are mainly naked oats. At present, there are three main consumption forms of oats: (1) pure oat products: oat flakes, oat flour, diced oats, etc.; (2) processed oat products: instant oatmeal, oat bread, oat biscuits, oat drinks, etc.; (3) Oat functional food: bioactive substances extracted from oats such as β-glucan products, etc. For details, see Zhou Sumei, Shen Ruiling, "Nutrition and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/3472B01D11/02C11B5/00
Inventor 张文斌蒋将赵霞杨瑞金
Owner JIANGNAN UNIV
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