Method for extracting rice protein from rice

A rice protein and rice technology, which is applied in the processing of plant protein, etc., can solve the problems of reduced nutritional value, denaturation of rice protein, cumbersome process, etc., and achieve the effects of avoiding protein loss, low degree of protein denaturation, and simple process operation
CN1528169AInactive Publication Date: 2004-09-15GAEA GEM RICE
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GAEA GEM RICE
Publication Date
2004-09-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses a method for extracting rice protein from rice. Said method includes the following steps: cleaning rice, soaking, removing sand, grinding to make pulp, concentrating and drying rice protein; also includes the steps of fine-grinding rice pulp, adopting dished separating machine to make multistage separation and making the protein pulp undergo the process of enzyme treatment. The described enzyme treatment is characterized by that in the multistage separated and combined rice protein pulp the following enzymes are successively added to make reaction: adding 0.05%-0.2% of amylase, temp. is 60-70 deg.C and time is 40-60 min; adding 0.05%-0.2% of cellulase, temp. is 40-50 deg.C and time is 2-3 hr; and adding 0.1%-1% of lipase, temp. is 40-60 deg.C and time is 2-3 hr. Said method can implement industrial production of rice protein.
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Description

technical field

[0001] The invention relates to a method of extracting rice protein from rice (including rice protein concentrate and rice protein isolate, rice protein concentrate refers to rice protein with a purity of 75%-89%, and rice protein isolate refers to rice protein with a purity of more than 90%. same) method. Background technique

[0002] The latest research shows that compared with soybean protein in animal protein and plant protein, rice protein has hypoallergenicity that other proteins do not have, and is more suitable for human body, especially infants. In addition, rice protein has excellent nutritional value, its amino acid ratio is relatively reasonable, close to complete protein, and its biological value (BV) and protein value (PV) are also higher than other vegetable proteins, making it the top grade among vegetable proteins. Therefore, there is a great demand for rice protein at home and abroad, and my country regards the extraction of rice protein as...

Claims

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