Microwave heating process and special moisture maintainer for producing rice bran stably

A microwave heating and stabilization technology, used in applications, food preservation, food preparation, etc., can solve the problems of inconvenient operation, limited water addition, high operation and maintenance costs, etc.

Inactive Publication Date: 2002-05-08
南京经济学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the lipolytic enzymes and lipoxygenases contained in the cortex of brown rice are activated after rice milling and come into contact with lipids, they will rapidly catalyze the hydrolysis of rice bran fat at room temperature, causing the acid value to rise rapidly within a few hours and simultaneously generate The free fatty acids will further oxidize and deteriorate, making it difficult for most of the rice bran to be intensively processed for value-added, so that most of the rice bran can only be used as feed at the production site, resulting in waste of resources
The extrusion method is considered to be a more practical process for the production of stab...

Method used

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  • Microwave heating process and special moisture maintainer for producing rice bran stably
  • Microwave heating process and special moisture maintainer for producing rice bran stably
  • Microwave heating process and special moisture maintainer for producing rice bran stably

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with accompanying drawing

[0011] Depend on figure 1 figure 2 It can be seen that the special moisturizer is composed of a horizontal hollow shelf 1 and a cover 2. The lower part of the cover 2 is provided with a ventilation hole 3. In this embodiment, the top of the cover 2 is provided with a pendant 4, which is filled with rice bran 5 during use. The stocker 6 rests on the horizontal hollow shelf 1, and covers it in the center with the cover 2 with the thorn 4. Both the container 6 and the special humidifier can be made of microwave-permeable glass, and the height of the container 6 should be 2 to 8 times that of the rice bran 5 laid flat.

[0012] Production process embodiment is as follows:

[0013] Remove impurities from the fresh rice bran and use a 40-mesh sieve to remove rice husks and broken rice, take 35g of rice bran and adjust the water content to 18%, spread it flat in the container 6...

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Abstract

The rice bran producing process of regulating the moisture content of rice bran to 15-24 % includes spreading sieved rice bran in a container, setting the container inside one special moisture maintainer, microwave heating for 2.5-3.5 min to 101-120 deg.c and final natural cooling. The special moisture maintainer consists of one horizontal hollow shelf and one cover with pendulous splinters. The present invention is superior in that heating rice bran in a special moisture maintainer to form stable steam environment is favorable to deactivation of enzyme in rice bran, reduce water and microwave power consumption.

Description

technical field [0001] The invention relates to a rice bran stabilized production process and special equipment thereof, in particular to a process for producing stabilized rice bran by microwave heating and a special humidifier thereof. Background technique [0002] Rice bran is rich in nutrients such as oil, protein, crude fiber and vitamins, and contains natural antioxidants such as VE and γ-oryzanol. It is an important raw material in the food and pharmaceutical industries. Recent studies have shown that rice bran food has the effect of lowering plasma cholesterol. my country produces 190 million tons of rice annually, and 10 million tons of rice bran can be obtained, so the application potential is quite large. Since the lipolytic enzymes and lipoxygenases contained in the cortex of brown rice are activated after rice milling and come into contact with lipids, they will rapidly catalyze the hydrolysis of rice bran fat at room temperature, causing the acid value to ris...

Claims

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Application Information

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IPC IPC(8): A23L3/01A23L7/10
Inventor 严梅荣杨进梁培庆顾华孝黄祖申
Owner 南京经济学院
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