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- Title
采收期对代料栽培桑黄子实体活性成分含量和抗氧化活性 的影响.
- Authors
王伟科; 宋吉玲; 闫静; 陆娜; 付立忠; 袁卫东; 周祖法
- Abstract
Sanghuangporus is currently recognized as one of valuable medicinal macrofungi with antitumor activity. The effects of harvest time on the content of active components (polysaccharide, total triterpenes, flavonoids and phenols) and antioxidant activity (ABTS and FRAP) of fruiting body were investigated on 30th, 45th, 60th, 75th, and 90th day after primordium formation of Sanghuangporus vaninii and S. baumii cultivated with sawdust medium. The result showed that harvest time significantly effected the content of polysaccharide, total triterpenes, flavonoids and phenols, and antioxidant activity (ABTS and FRAP) of the tested strains with the exception of the content of triterpenes of S. vaninii. The polysaccharide content of S. baumii increased sharp to the maximum on 75th day after primordium formation, and decreased slightly on 90th day, while that of S. vaninii maintained a high level on 45th, 60th and 70th day. The triterpene content of S. baumii reached the maximum value on 30th day, and then decreased slowly, while the triterpene content of S. vaninii had no significant change during whole harvest period. The total flavonoid and phenolic content, and antioxidant activities (ABTS and FRAP) of S. baumii and S. vaninii maintained a high level on 30th, 45th, and 60th day, and decreased sharp on 75th and 90th day. Correlation analysis showed positive correlation between the content of total flavonoid and phenols, and antioxidant activities of ABTS and FRAP. The polysaccharide content of S. baumii was significantly negatively correlated with the total flavonoid and phenolic content and ABTS and FRAP antioxidant activities, but not significantly correlated with the triterpenoid content. The polysaccharide content of S. vaninii has no significant correlation with the total flavonoid and phenolic content and antioxidant activities of ABTS and FRAP, but had a significant negative correlation with the triterpene content. The result of principal component analysis is consistent with that of cluster analysis, manifesting that the fruiting bodies formed on 30th, 45th and 60th day after primordium formation were grouped into one group, and the fruiting bodies formed on 75th and 90th day were grouped into another group. These results indicate that timely harvest is beneficial to the increase of active component content and antioxidant activity of Sanghuangporus fruiting body.
- Subjects
PRINCIPAL components analysis; HARVESTING time; CLUSTER analysis (Statistics); TRITERPENES; STATISTICAL correlation; PLANT phenols; POLYSACCHARIDES
- Publication
Mycosystema, 2020, Vol 39, Issue 12, p2369
- ISSN
1672-6472
- Publication type
Article
- DOI
10.13346/j.mycosystema.200159