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青钱柳种子层积过程中贮藏物质含量及酶活性的变化(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年01期
Page:
111-113
Column:
研究论文
publishdate:
2007-01-20

Article Info:/Info

Title:
Storage Substance Content and Corresponding Enzyme Activity During the Stratification of Cyclocarya paliurus Seeds
Article ID:
1000-2006(2007)01-0111-03
Author(s):
WANG Jia-yuan12 FANG Sheng-zuo1*
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. Suzhou Tourism and Financial Institute, Suzhou 215104, China
Keywords:
Seeds of Cyclocarya paliurus Crude fat Soluble protein Starch Soluble sugars Enzyme activity
Classification number :
S718.43
DOI:
10.3969/j.jssn.1000-2006.2007.01.026
Document Code:
A
Abstract:
Changes in biochemical composition and enzyme activity were investigated during seeds stratification under nature temperature. The results indicated that crude fat and protein constituted the bulk of the storage reserves in mature seeds of Cyclocarya paliurus, accounting for 50% and 45% respectively. During stratification, the content of crude fat, soluble protein and starch all gradually declined, but the content of soluble sugars obviously increased. The activities of all the studied enzymes in the stratified seeds increased significantly as compared to those in control ones. The increased total activity of the lipase, amylase and protease was concurrent to degradability of fat, starch and protein, indicating that the substance and energy for germination of seeds were being well prepared. The results would provide an useful reference to find out the germination physiology of C. paliurus seeds.

References

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Last Update: 2013-05-20