彩色马铃薯块茎形成和贮藏过程中花色苷变化及抗氧化活性分析

园艺学报 ›› 2013, Vol. 40 ›› Issue (7): 1309-1317.

彩色马铃薯块茎形成和贮藏过程中花色苷变化及抗氧化活性分析

李倩^1,2，柳俊^1,2，谢从华^1,2，周志³，齐迎春¹，吴承金⁴，宋波涛^1,2,*

1 华中农业大学，武汉 430070；2 园艺植物生物学教育部重点实验室，武汉 430070；3 湖北民族学院生物科学与技术学院，湖北恩施 445000；4 恩施州农业科学院，湖北恩施 445000

收稿日期:2013-03-11 出版日期:2013-07-25 发布日期:2013-07-25
基金资助:
国家现代农业产业技术体系建设专项资金项目（CARS10P06）；武汉市科技攻关项目（20112072218-3）

Variation of Anthocyanin of Colored-flesh Potato Tubers and Measurement of Their Antioxidant Activity During the Tuber Development and Storage

LI Qian, LIU Jun, XIE Cong-Hua, ZHOU Zhi, QI Ying-Chun, WU Cheng-Jin, SONG Bo-Tao

1Huazhong Agricultural University，Wuhan 430070，China； 2 Ministry of Education，Key Laboratory of Horticultural Plant Biology，Huazhong Agricultural University，Wuhan 430070，China；3Hubei University for Nationlities，Enshi，Hubei 445000，China；4Agricultural Science Academy of Enshi，Enshi，Hubei 445000，China

Received:2013-03-11 Online:2013-07-25 Published:2013-07-25

摘要/Abstract

摘要： 以不同彩色马铃薯基因型为材料，对块茎形成和贮藏过程中花色苷的种类及含量变化进行了研究。结果表明，在块茎发育过程中，不同马铃薯基因型块茎中花色苷出现的时间与含量多少各有差异，颜色较深的基因型花色苷达到最高含量的时间先于颜色浅的基因型，且不同组分的出现与累积变化规律基本上与花色苷合成的先后顺序一致；在常温和低温贮藏过程中，花色苷含量均呈下降趋势，但下降比例并无明显差异。抗氧化活性测定表明，几种彩色马铃薯基因型块茎均有一定的清除DPPH· 和ABTS⁺能力以及Fe³⁺ 还原能力，但不同基因型间抗氧化能力存在差异。

关键词: 彩色马铃薯, 花色苷, 块茎发育阶段, 花色苷含量变化, 抗氧化活性

Abstract: Abstract：The accumulation and variation of anthocyanins components of colored-flesh potato tubers were investigated during tuber development and storage conditions. The results showed that content of anthocyanins and the time points of anthocyanin synthesis were varied in different genotypes during the tuber development. The time points of anthocyanin syntheses beginning and reaching the highest concentration were earlier in genotypes with dark color flesh than that of light color flesh potatoes，and the variation of anthocyanin components was mainly corresponding to the pathway of anthocyanin synthesis in all genotypes. The anthocyanin content showed decreased trend during storage process and no significantly differences were found when tubers were stored under normal and low temperature condition. In addition，the determination of activity of antioxidant indicated that anthocyanins of all colored-flesh potatogenotypes had certain ability to eliminate DPPH· and ABTS⁺as well as the ability to reduce Fe³⁺，but theantioxidant ability of anthocyanins was significantly varied among genotypes.

Key words: colored-flesh potato, anthocyanin, tuber development stage, anthocyanin content variation, antioxidant activity

中图分类号:

S 532

李倩, 柳俊, 谢从华, 周志, 齐迎春, 吴承金, 宋波涛. 彩色马铃薯块茎形成和贮藏过程中花色苷变化及抗氧化活性分析[J]. 园艺学报, 2013, 40(7): 1309-1317.

LI Qian, LIU Jun, XIE Cong-Hua, ZHOU Zhi, QI Ying-Chun, WU Cheng-Jin, SONG Bo-Tao. Variation of Anthocyanin of Colored-flesh Potato Tubers and Measurement of Their Antioxidant Activity During the Tuber Development and Storage[J]. ACTA HORTICULTURAE SINICA, 2013, 40(7): 1309-1317.

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