向日葵粗脂肪及脂肪酸组分分析

doi:10.6048/j.issn.1001-4330.2020.07.004

新疆农业科学 ›› 2020, Vol. 57 ›› Issue (7): 1201-1210.DOI: 10.6048/j.issn.1001-4330.2020.07.004

向日葵粗脂肪及脂肪酸组分分析

雷中华¹, 黄启秀¹, 张黎¹, 吴伟², 杨辉³, 孙逊⁴, 向理军¹

1.新疆农业科学院经济作物研究所,乌鲁木齐 830091;
2.新源县农业技术推广站,新疆新源 835800;
3.特克斯县农业局,新疆特克斯 835500;
4.昌吉州西亚种子有限责任公司,新疆昌吉 831100

收稿日期:2020-01-03 出版日期:2020-07-20 发布日期:2020-06-22
通信作者: 向理军(1965- ),男,新疆人,研究员,研究方向为油料作物育种与栽培,(E-mail)13319911276@163.com
作者简介:雷中华(1974- ),男,新疆人,副研究员,博士,研究方向为向日葵育种与栽培,(E-mail)youkui@sina.cn
基金资助:
自治区重点研发计划(2018B01006-2);自治区创新环境(人才、基地)建设专项(自然科学基金计划-基金项目)“向日葵抗列当种质资源筛选与抗性基因挖掘”(2019D01B27);国家产业技术体系(CARS-14-2-29)

Analysis of Crude Fat Accumulation Mode and Fatty Acid Composition of Sunflower

LEI Zhonghua¹, HUANG Qixiu¹, ZHANG Li¹, WU Wei², YANG Hui³, SUN Xun⁴, XIANG Lijun¹

1. Institute of Industrial Crops of Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China;
2. Xinyuan County Agricultural Technology Extension Center,Xinyuan Xinjiang 835800,China;
3. Tekesi County Bureau of Agriculture, Tekes Xinjiang 835500,China;
4. Changji Xiya Seed Co.,Ltd.,Changji Xinjiang 831100,China

Received:2020-01-03 Online:2020-07-20 Published:2020-06-22
Correspondence author: XIANG Li-jun(1965-), male,Xinjiang native, researcher,Institute of Industrial Crops of Xinjiang Acadermy of Agricultural Sciences,research direction: oil crop breeding and cultivation. (E-mail)13319911276@163.com,

摘要/Abstract

摘要： 【目的】 研究向日葵粗脂肪含量及脂肪酸各组分所占比例。【方法】 以种植在不同生态区5种不同类型向日葵为研究对象,测定其粗脂肪以及脂肪酸组分,运用相关、主成分等方法,分析不同基因型向日葵及不同生态条件对向日葵脂肪酸积累的影响。【结果】 向日葵种胚形成前期脂肪酸总量的合成速率较高,积累量前期均能达到总量的20%以上,而后期的积累量普遍都在15%以内,合成速率明显低于前期。油酸的合成速率也具有相同的趋势,除个别品种外,前期积累量均能占到总脂肪酸的30%以上,明显高于后期的10%以内。种子成熟后期温度降低导致种子中油酸积累速率降低。【结论】 向日葵最终脂肪酸总量与种胚发育阶段脂肪酸的快速增长持续时间密切相关。高油酸品种在后期保持较高的油酸合成速率。

关键词: 向日葵; 脂肪酸; 油酸; 积累模式

Abstract: 【Objective】 The content of fatty acids and the proportion of each component in oil crops are important standards to measure their oil use value, and it is of great significance to study the formation of fatty acids in oil crops. 【Methods】 Five different types of sunflower materials planted in different ecological areas were selected as the research objects. Through the determination of crude fat and fatty acid components, correlation and principal component analysis, the effects of different genotypes and ecological conditions on the fatty acid accumulation of sunflower were revealed.【Result】 The results showed that the synthesis rate of total fatty acids in the early stage of embryo formation was higher, and the accumulation amount in the early stage could reach more than 20% of the total amount, while the accumulation amount in the later stage was generally within 15%, and the synthesis rate was significantly lower than that in the early stage. The synthesis rate of oleic acid has the same trend, except for individual varieties, the accumulation amount in the early stage can account for more than 30% of the total fatty acid, which is significantly higher than that in the later stage. The decrease of temperature in the later stage of seed maturity resulted in the decrease of the accumulation rate of oleic acid in seed. 【Conclusion】 The total amount of final fatty acids in sunflower was closely related to the duration of the rapid growth of fatty acids during the development of seed embryo; The high oleic acid varieties kept high oleic acid synthesis rate in the later stage.

Key words: sunflower; fatty acid; oleic acid; accumulation mode

中图分类号:

S565.4

雷中华, 黄启秀, 张黎, 吴伟, 杨辉, 孙逊, 向理军. 向日葵粗脂肪及脂肪酸组分分析[J]. 新疆农业科学, 2020, 57(7): 1201-1210.

LEI Zhonghua, HUANG Qixiu, ZHANG Li, WU Wei, YANG Hui, SUN Xun, XIANG Lijun. Analysis of Crude Fat Accumulation Mode and Fatty Acid Composition of Sunflower[J]. Xinjiang Agricultural Sciences, 2020, 57(7): 1201-1210.

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向日葵粗脂肪及脂肪酸组分分析

Analysis of Crude Fat Accumulation Mode and Fatty Acid Composition of Sunflower

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