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Processing method for improving storage stability of highland barley

A technology of storage stability and processing method is applied in the processing field of improving the storage stability of highland barley, and can solve the problems of reducing the nutrition and commodity value of highland barley, prone to oxidative deterioration, and shortening the shelf life and the like.

Active Publication Date: 2021-07-30
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, highland barley contains a large amount of polyunsaturated fatty acids, which makes it prone to oxidative deterioration during storage, resulting in an unpleasant taste of hardwood for consumers, which greatly reduces the nutritional and commercial value of highland barley
On the other hand, highland barley contains a variety of endogenous enzymes, including lipase, lipoxygenase, peroxidase, etc., which will lead to rapid hydrolysis and oxidation of lipids during storage and reduce shelf life.

Method used

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  • Processing method for improving storage stability of highland barley
  • Processing method for improving storage stability of highland barley
  • Processing method for improving storage stability of highland barley

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A processing method for improving storage stability of highland barley, comprising the steps of:

[0045] (1) water replenishment treatment: carry out water replenishment to 500g highland barley, control target water replenishment amount 1.5%, seal after fully mixing, place in room temperature and balance;

[0046] (2) Radio frequency treatment: place the highland barley treated with water in the container, spread it evenly, and the sample thickness is 4cm; place the aforementioned container containing highland barley in the center of the lower plate of the radio frequency chamber for radio frequency treatment; the target temperature of radio frequency is 105°C , the RF processing time is 14.5min, the distance between the plates is 120mm, the power is 1.43kW, and the resonance frequency is 27.12MHz;

[0047] (3) Cooling treatment: cool the highland barley after radio frequency treatment to room temperature and store it in a ziplock bag.

Embodiment 2

[0049] A processing method for improving storage stability of highland barley, comprising the steps of:

[0050] (1) water replenishment treatment: carry out water replenishment to 500g highland barley, control target water replenishment amount 3.5%, seal after fully mixing, place in room temperature and balance;

[0051] (2) Radio frequency treatment: place the highland barley treated with water in the container, spread it evenly, and the sample thickness is 4cm; place the aforementioned container containing highland barley in the center of the lower plate of the radio frequency chamber for radio frequency treatment; the target temperature of radio frequency is 105°C , the RF processing time is 14.2min, the distance between the plates is 120mm, the power is 1.43kW, and the resonance frequency is 27.12MHz;

[0052] (3) Cooling treatment: cool the highland barley after radio frequency treatment to room temperature and store it in a ziplock bag.

Embodiment 3

[0054] A processing method for improving storage stability of highland barley, comprising the steps of:

[0055] (1) water replenishment treatment: carry out water replenishment to 500g highland barley, control target water replenishment amount 5.5%, seal after fully mixing, place in room temperature and balance;

[0056] (2) Radio frequency treatment: place the highland barley treated with water in the container, spread it evenly, and the sample thickness is 4cm; place the aforementioned container containing highland barley in the center of the lower plate of the radio frequency chamber for radio frequency treatment; the target temperature of radio frequency is 105°C , the RF processing time is 14.0min, the distance between the plates is 120mm, the power is 1.43kW, and the resonance frequency is 27.12MHz;

[0057] (3) Cooling treatment: cool the highland barley after radio frequency treatment to room temperature and store it in a ziplock bag.

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Abstract

The invention relates to a processing method for improving the storage stability of highland barley, and belongs to the technical field of grain processing. The highland barley is treated by combining water replenishing and radio frequency heating, the treated highland barley sample is stored, the highland barley product which is moderately inactivated by lipase and relatively low in free radical strength is obtained by optimizing the target moisture content of water replenishing treatment and the temperature parameter of radio frequency treatment, and the highland barley product is good in quality and stable in storage. According to the highland barley processing method provided by the invention, the processing and storage cost of the highland barley is greatly reduced, and the nutrition and commercial value of the highland barley are improved.

Description

technical field [0001] The invention relates to a processing method for improving the storage stability of highland barley, belonging to the technical field of grain processing. Background technique [0002] Highland barley belongs to the genus Barley of the Gramineae wheat family, also known as rice barley, naked barley, yuan wheat, Huai wheat and so on. As the most important crop in the Qinghai-Tibet Plateau, highland barley has the characteristics of high protein, high fiber, high vitamins, low fat, and low sugar, which meets the dietary structure needs of modern people with "three highs and two lows". my country's highland barley is mainly grown on the Qinghai-Tibet Plateau and its surrounding areas, with an annual output of about 1 million tons, accounting for 43% of the grain crop area and 38% of the total output on the Qinghai-Tibet Plateau. In recent years, with the increase in the planting area and output of highland barley, as well as changes in the staple food st...

Claims

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Application Information

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IPC IPC(8): A23B9/06A23B9/30
CPCA23B9/06A23B9/30
Inventor 李永富王雪真黄金荣史锋陈正行
Owner JIANGNAN UNIV
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