Method for improving alpha-linolenic acid contents of oil peony paeonia ostii seeds

A technology for using peony and linolenic acid in oil, applied in the fields of botanical equipment and methods, applications, angiosperms/flowering plants, etc., can solve the problems of genetically modified safety disputes, etc., and achieve the effects of easy promotion, improved ornamental effect, and easy mastery

Inactive Publication Date: 2018-06-15
QINGDAO AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are related studies on increasing the content of α-linolenic acid through transg

Method used

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  • Method for improving alpha-linolenic acid contents of oil peony paeonia ostii seeds
  • Method for improving alpha-linolenic acid contents of oil peony paeonia ostii seeds

Examples

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Embodiment 1

[0024] Embodiment 1, the method for improving the content of α-linolenic acid in seeds of peony 'Fengdan' for oil

[0025] Materials: The varieties of peonies used in this example are: 'Fengdan', 'Black Sea Sprinkling Gold', 'Jinhong', 'Red River', 'Lotus Emerald', 'Flower Like Jade', 'Tianxiangjin', 'Xiangyanghong' , 'Yujie', the peony varieties used in this example were all purchased from Caozhou Baihuayuan, Heze City, Shandong Province.

[0026] The method for improving the α-linolenic acid content of oil-used peony 'Fengdan' seeds of the present embodiment specifically comprises the following steps:

[0027] 1. Pollen collection: Collect peony varieties 'Black Sea Sprinkling Gold', 'Jinhong', 'Red River', Lotus Emerald', 'Flower Like Jade', For the flower buds of 'Tianxiangjin', 'Xiangyanghong' and 'Yujie', remove the sepals and petals indoors, and air-dry them at room temperature until the anthers dehisce and loosen the powder. The pollen is collected and used as the hyb...

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Abstract

The invention discloses a method for improving alpha-linolenic acid contents of oil peony paeonia ostii seeds. The method comprises the following steps of (1) collecting pollen; (2) pollinating; (3) collecting seeds: collecting fruits of pollinated paeonia ostii in the step (2), calculating a maturing rate, screening combination with the maturing rate being larger than or equal to 25.0 per flower,collecting seeds, and determining the alpha-linolenic acid contents of the seeds; (4) high-quality combining and screening: adopting the alpha-linolenic acid contents in the step (3) as indexes, andscreening peony variety with the seeds with the alpha-linolenic acid contents being larger than or equal to 160mg/g as an optimal pollination variety of the female parent paeonia ostii; (5) applying the pollination variety: obtaining the oil seeds with the improved alpha-linolenic acid contents. By adopting the method provided by the invention, the alpha-linolenic acid contents of the paeonia ostii seeds can be improved, so that the quality of the paeonia ostii seeds is improved.

Description

technical field [0001] The invention relates to the field of plant seed production, in particular to a method for increasing the α-linolenic acid content of oil-used peony 'Fengdan' seeds. Background technique [0002] According to the degree of saturation of carbon-carbon bonds, fatty acids can be divided into saturated fatty acids and unsaturated fatty acids. A high-fat diet rich in saturated fatty acids may lead to cardiovascular disease, while unsaturated fatty acids are essential fatty acids for the human body. Unsaturated fatty acids can be further divided into monounsaturated fatty acids and polyunsaturated fatty acids. Polyunsaturated fatty acids have the effects of lowering blood lipid levels, preventing cardiovascular diseases, and lowering serum low-density lipoprotein cholesterol levels. According to the position and function of the double bond, polyunsaturated fatty acids are divided into ω-3 series and ω-6 series. α-linolenic acid belongs to the omega-3 seri...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04A01H5/10
Inventor 郝青李真刘庆华
Owner QINGDAO AGRI UNIV
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