A kind of breeding method of black endosperm high anthocyanin rice

A high anthocyanin and black technology, applied in the fields of botanical equipment and methods, plant gene improvement, application, etc., can solve the problems of commercialization of transgenic black endosperm rice

Active Publication Date: 2021-08-03
ZHEJIANG UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

Unfortunately, under the current background, the commercialization of the genetically modified black endosperm rice "Amethyst rice" is very difficult.

Method used

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  • A kind of breeding method of black endosperm high anthocyanin rice
  • A kind of breeding method of black endosperm high anthocyanin rice

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Embodiment Construction

[0037] 1. Breeding materials:

[0038] (1) Parent A is ZDR-hal-01. ZDR-hal-01 is a special-purpose rice jointly bred by Zhejiang University and Haining Kangrui Biotechnology Co., Ltd., and can be purchased from the Institute of Nucleus Agricultural Sciences, Zhejiang University. The fat content of the rice is as high as 2.3%, and the fat mainly exists in the form of starch-fat complex, the rice seed coat is normal light yellow, the endosperm is normal white, basically does not contain anthocyanin, and the content is extremely low.

[0039](2) Parent B is Heizhen of Zhejiang University. Zhejiang University Heizhen is a special black glutinous rice rice bred by the Institute of Nucleus Agricultural Sciences of Zhejiang University, which can be purchased from the institute. The seed coat of the rice is black, the endosperm is normal white, basically does not contain anthocyanin, has low fat content, and the fat mainly exists in the form of non-starch-fat complex.

[0040] 2. D...

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Abstract

The invention discloses a method for breeding rice with black endosperm and high anthocyanin content. The breeding method comprises: using rice rich in starch-fat complex as parent A, rice with black seed coat as parent B, using parent B is the female parent, crossed with parent A, and obtained F 1 generation seed; and then backcross with parent A to obtain BC 1 f 1 generation; plant BC in turn 1 f 1 ~BC 1 f 6 Generation selfing, black endosperm high anthocyanin rice was harvested with light yellow seed coat, black endosperm, crude fat content ≥ 2% and more than 70% in the form of starch-fat complex, and anthocyanin content. The rice obtained by breeding in the present invention not only has the advantages of light yellow epidermis, black endosperm, high starch-fat complex content and high anthocyanin content, but also anthocyanins can be effectively expressed in the edible endosperm without using food coloring agents. The development of natural high anthocyanin products such as black rice noodles is especially in line with people's general requirements for natural, safe and healthy food.

Description

technical field [0001] The invention relates to the technical field of rice breeding, in particular to a method for breeding rice with black endosperm and high anthocyanin content. Background technique [0002] Anthocyanins, also known as anthocyanins, are a class of natural pigments that widely exist in plants in nature, and are widely used in food coloring, dyes, medicine, cosmetics, etc. Anthocyanins are phytonutrients belonging to bioflavonoids. They not only have strong free radical scavenging ability and anti-oxidation ability, but also have active molecules such as reducing enzyme activity and anti-mutation. They have important health care functions for human health. [0003] Colored special rice such as black rice, red rice and purple rice is rich in anthocyanins, which is the main material of traditional food supplements in my country. There are researches devoted to the breeding of colored special rice. [0004] The invention patent application with the applicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 沈易李冰清张宁吴殿星
Owner ZHEJIANG UNIV
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