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Method for producing low-protein rice

A protein rice and low-protein technology, applied in the field of bioengineering, can solve the problems of not being suitable for patients to eat, and achieve the effects of reducing economic burden, increasing palatability, and reducing protein content

Inactive Publication Date: 2012-06-20
LIAOCHENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the digestible protein content in ordinary grains is 8%-10%, it is not suitable for patients to eat

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0025] Example: The common wild rice of Yuanjiang, Yunnan (serial number W06) was used O rufipogon), provided by the Yunnan Academy of Agricultural Sciences Germplasm Bank) and the fine cultivated rice variety Koshihikari (8.7% protein content) to obtain a new low-protein rice line, which includes the following steps:

[0026] (1) Firstly, cultivated rice varieties and wild rice materials were collected, and the protein content of grains were measured by the national standard Kjeldahl nitrogen method. Yuanjiang common wild rice with a protein content of 6.5% and the excellent cultivated rice variety Koshihikari with a lower protein content were selected as For the parent, 15 seeds of the first generation of hybridization, that is, F1, were obtained by crossing wild rice as the female parent and Koshihikari as the male parent by manual detasseling at the heading stage;

[0027] (2) Plant F1, extract leaf DNA by conventional CTAB method, and use molecular marker technology to p...

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Abstract

The invention discloses a method for producing low-protein rice, which includes hybridizing wild rice with cultivated rice, back-crossing the wild rice with the cultivated rice prior to multi-generation selfing, using molecular marking assisted selection technology and the like, and screening to obtain a cultivar which is applicable to large-area production, high in yield and low in protein content. The protein content of the rice produced by the method can be reduced evidently, the rice is suitable for patients with kidney diseases to eat, economic burden can be lowered for the patients, and palatability is improved and food therapeutic care is achieved.

Description

technical field [0001] The invention belongs to the field of bioengineering, and specifically uses molecular marker-assisted selection technology to aggregate QTL for controlling low protein into the same rice variety, so as to reduce the protein content in rice. Background technique [0002] Kidney disease is an enemy that seriously endangers human health. This kind of disease is not only difficult to treat, but also easy to relapse, which leads to the continuous deterioration of the disease. With the rapid development of my country's economy, the continuous improvement of people's living standards and the aging of the population and other factors, people's attention to health has reached an unprecedented level. However, the number of patients with kidney disease in our country has been increasing. Renal disease patients caused by renal failure have obstacles in protein metabolism. During treatment, in addition to taking drugs, if they can cooperate with a low-protein diet...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/06C12Q1/68
Inventor 张文会张思亮李楠张思远吴珊珊
Owner LIAOCHENG UNIV
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