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园艺学报 ›› 2008, Vol. 35 ›› Issue (8): 1189-1192.

• 研究简报 • 上一篇    下一篇

1-甲基环丙稀处理对冷藏红星苹果蜡质中酚类含量及其抗氧化活性的影响

邵建萍;张元湖*;梁雅芹;张士刚   

  1. (山东农业大学,作物生物学国家重点实验室,山东泰安 271018)
  • 收稿日期:2008-02-01 修回日期:2008-05-28 出版日期:2008-08-25 发布日期:2008-08-25
  • 通讯作者: 张元湖

The Effects of 1-MCP Treatments on Phenolic Compounds and Antioxidant Activity of Epicuticular Wax of 'Starking' Apples during Cold Storage

SHAO Jian-ping, ZHANG Yuan-hu*, LIANG Ya-qin and ZHANG Shi-gang
  

  1. (State Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural University, Tai' an, Shandong 271018, China)
  • Received:2008-02-01 Revised:2008-05-28 Online:2008-08-25 Published:2008-08-25
  • Contact: ZHANG Yuan-hu

摘要:

以‘红星’苹果为试材,研究了1-MCP和DPA处理对冷藏苹果果实蜡质中酚类物质及抗氧化活性的影响。结果表明:冷藏期间所有苹果蜡质中总酚和黄酮含量均呈现先升高后降低的变化趋势。1 μL·L-11-MCP和2 g·L-1DPA处理提高了蜡质中的总酚和类黄酮含量。各处理苹果蜡质的甲醇提取物能有效清除DPPH自由基和ABTS+自由基。酚类物质含量与抗氧化活性之间显著正相关。

关键词: 苹果, 1-甲基环丙稀, 二苯胺, 蜡质, 酚类物质, 抗氧化

Abstract:

The effects of 1-MCP and DPA treatments on polyphenols, antioxidant activity of epicuticular wax of apple were studied. Total phenolic compounds and flavonoids in all the samples increased first and then decreased during the cold storage. 1μL·L-1 1-MCP and 2g·L-1 DPA treatments increased total phenolic compounds, flavoniods content, and DPPH·and ABTS+ radical scavenging activity in wax. Antioxidant activity was remarked positive correlated with polyphenols.

Key words: 1-MCP, DPA, wax, polyphenols, antioxidant activity

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