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Preparation method of functional rice with high antioxidant capacity

An oxidative capacity and functional technology, applied in the field of plant genetics and breeding, to achieve the effects of enriching varieties, low cost and improving nutritional value

Inactive Publication Date: 2019-12-17
YANBIAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no distant hybridization between Astragalus membranaceus and rice

Method used

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  • Preparation method of functional rice with high antioxidant capacity
  • Preparation method of functional rice with high antioxidant capacity
  • Preparation method of functional rice with high antioxidant capacity

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Experimental program
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Effect test

Embodiment 1

[0027] A method for preparing functional rice with high antioxidant capacity, comprising the following steps:

[0028] (1) Carry out distant hybridization between Astragalus membranaceus and recipient rice: After pruning and emasculating the recipient rice, pollen Astragalus membranaceus membranaceus first, and bagging, and then pollen the rice itself after 2 hours to 4 days, and bagging , keep seed to get F 1 Substitute Astragalus rice plant;

[0029] (2) Molecular marker selection: F 1 DNA detection was carried out on behalf of Astragalus rice plants, and single plants with Astragalus species-specific DNA were screened out, and the seeds were bagged to obtain F 2 Substitute Astragalus rice plant;

[0030] (3) Self-breeding and keeping seeds: F 2 The DNA of the generation and its progeny Astragalus rice plants was tested until the strains with Astragalus species-specific DNA, red seed coat color and stable traits were selected, and then selected to F 6 Among them, Astrag...

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Abstract

The invention discloses a preparation method of functional rice with high antioxidant capacity. Astragalus membranaceus Bge and receptor rice are subjected to distant hybridization, so that Rc and Rdgenes for controlling the anthocyanin content in the receptor rice mutate, and therefore the anthocyanin content is increased. The preparation method of the functional rice with high antioxidant capacity is easy to operate and low in cost, the astragalus membranaceus Bge and the rice are subjected to distant hybridization, through tests, the procyanidine content and antioxidant activity of the prepared functional rice are both significantly higher than those of the receptor rice, accordingly, the variety of the rice is enriched, and the nutritional value of the rice is increased.

Description

technical field [0001] The invention belongs to the technical field of plant genetics and breeding, and in particular relates to a preparation method of functional rice with high antioxidant capacity. Background technique [0002] Rice is a staple food crop that is vital to people's nutrition and health. "Functional rice" mainly refers to the effective active substances contained in the endosperm, germ and rice bran, etc., which can regulate various human physiological metabolisms and meet the needs of different consumer groups and special consumer groups. Special and health-care rice. Carry out research on breeding and application of various special and health-care rice, such as red rice and black rice, which play a positive role in preventing various diseases and enhancing people's physical fitness, and have broad market prospects. However, rice has limited genetic basis or gene pool after long-term evolution, and the existing conventional rice germplasm resources are dif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02C12Q1/6895
CPCA01H1/02A01H6/46C12Q1/6895C12Q2600/13C12Q2600/158
Inventor 吴松权初秀成
Owner YANBIAN UNIV
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