Factors influencing the biosynthesis of 1-deoxynojirimycin in Morus alba L.
文献类型: 外文期刊
第一作者: Lou, De-Shuai
作者: Lou, De-Shuai;Zou, Feng-Ming;Yan, Hui;Gui, Zhong-Zheng;Gui, Zhong-Zheng
作者机构:
关键词: Morus alba L.;1-deoxynojirimycin;biosynthesis;factors
期刊名称:AFRICAN JOURNAL OF AGRICULTURAL RESEARCH ( 影响因子:0.263; 五年影响因子:0.203 )
ISSN: 1991-637X
年卷期: 2011 年 6 卷 13 期
页码:
收录情况: SCI
摘要: 1-deoxynojirimycin (DNJ), a piperidine alkaloid enriched in mulberry, exhibits strong competitive inhibition against the alpha-glucosidase. To maximally use mulberry and to understand the mechanism of DNJ formation, we studied factors influencing DNJ biosynthesis in Morus alba. The results showed that the aqueous HCl immersion was a relative high efficiency method. We first revealed the relationship between DNJ content and factors including geographic locations, soil properties, meteorological factors and harvest time. They are: mulberry shoots taken from the top part of the branches had the highest content of DNJ, followed by roots, young leaves and mature leaves; mulberry growing in areas with higher latitude had higher content of DNJ; alkaline and low total nitrogen content in soil was advantageous to the biosynthesis of DNJ; the active peak periods of DNJ biosynthesis in a day appeared at 06:00 to 10:00 a.m. and 18:00 p.m.
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