Light effect on the tissue contents and distribution of isoflavones in the developing seedling of soybean
文献类型: 外文期刊
第一作者: Sun, JM
作者: Sun, JM;Ding, AL
作者机构:
关键词: soybean (Glycine max);seedling;isoflavones;light
期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )
ISSN: 0577-7496
年卷期: 1998 年 40 卷 11 期
页码:
收录情况: SCI
摘要: The contents of isoflavones in the developing soybean seedling tissues under different light conditions were examined by high-performance liquid chromatography (HPLC). The results indicated that the total contents of isoflavones in soybean seedling tissues were remarkably different, being the highest in the cotyledons and lower in the leaves and roots. In the cotyledons, the isoflavones like daidzin, genistin and their malonyl conjugates were the major metabolites and were increased markedly with the time of light exposure. In contrast, there was a decrease in the content of isoflavones in the dark. When the dark grown seedlings were tranferred to the light, an increase of the isoflavone content was observed. In the leaves and roots, there was also a marked difference in the contents and types of isoflavones due to various light conditions. Leaves contained mainly the isoflavones such as genistin, malonyl gensistin and flavones rutin, which were increased gradually under light condition, but in the dark, daidzin and malonyl daidzin were the major metabolites and did not change markedly with time. In the roots, no isoflavone was detected in the dark, while five isoflavones were found in the light-grown seedlings, and all root sections were predominated by daidzein and its conjugates. These results provided the evidence that light strongly stimulates the accumulation of isoflavones in soybean seedling tissues.
分类号:
- 相关文献
作者其他论文 更多>>
-
Analysis of the genetic structure of Sclerotinia sclerotiorum (Lib.) de Bary - Populations from different regions and host plants by random amplified polymorphic DNA markers
作者:Sun, JM;Irzykowski, W;Jedryczka, M;Han, FX
关键词:genetic structure;intraspecific variability;Sclerotinia sclerotiorum (Lib.) de Bary;random amplified polymorphic DNA (RAPD) analysis