|Table of Contents|

Effects of Ultra-dry Treatment on Anti-aging Ability and Antioxidative Metabolism of Soybean Seed(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年03期
Page:
450-455
Research Field:
Publishing date:

Info

Title:
Effects of Ultra-dry Treatment on Anti-aging Ability and Antioxidative Metabolism of Soybean Seed
Author(s):
ZHAO Li1; 3; LU Kai-xing2; ZHU Cheng3
1Lishui University，Lishui 323000，Zhejiang；
2?Faculty of Life Science and Biotechnology，Ningbo University，Ningbo 315211，Zhejiang；
3College of Life Science，Zhejiang University，Hangzhou 310029，Zhejiang，China
Keywords:
Soybean; Seed ultradry; Artifical aging; Antioxidative metabolism
PACS:
S565.1;S330.3+1
DOI:
10.11861/j.issn.1000-9841.2009.03.0450
Abstract:
Soybean seeds with different water content(（8.1%、4.0% and 2.4%）were obtained by controlling ultra-drying time，then those seeds were treated by aging and re-water，those parameters such as anti-aging ability and antioxidant enzymes were measured.Results showed that ultradrying treatments can improve the ability of aging-resistance，thus prolonging its storage longevity.The free radical content was higher in ultradrying seeds(moisture content 4.0% and 2.4%，respectively）than that of non-ultradrying seeds(moisture content 8.1%).But compared with pre-aging seeds，the increasments of free radical and malonaldehyde(MDA)content in aged non-ultradrying seeds were significantly higher than that in ultradrying seeds，while the activity of lipoxygenase(LOX) in aged ultradrying seeds were evidently higher than that in aged non-ultradrying seeds.The higher ability of aging-resistance in ultradrying seeds was also attribute to its higher antioxidative system including superoxide dismutase（SOD)，peroxidase(POD) and catalase（CAT).The decrease in SOD，POD and CAT activity induced by aging was lower in ultradrying seeds compared with non-ultradrying seeds.Results suggest that the maintenance of the ability of resisting the superoxidation of the membrane lipids would be one of the reasons to prolong storage longevity of ultradried seeds.

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Last Update: 2014-09-25