Analysis on quality of leaves of improved Ginkgo biloba seedling sprout Ⅰ
- VernacularTitle:良种银杏幼苗叶质量分析(Ⅰ)
- Author:
Yifang YANG
;
Hui WANG
;
Yeying XIA
;
- Publication Type:Journal Article
- Keywords:
leaves from improved Ginkgo biloba L seedling sprout;
flavonoids;
HPLC;
quality analysis
- From:
Chinese Traditional and Herbal Drugs
1994;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Object To examine the quality of leaves from the improved Ginkgo biloba L seedling sprout Methods Total flavonoids in the leaves were determined by HPLC Results Flavonoids in the leaves of seedling sprout were apparently higher in June than in August and November, and were much higher than grafting seedling sprout which was also higher in June than in August 2 year old tree contained 2 5 to 3 8 times more flavonoids than 50 year old tree The content of female trees were higher than that of male Conclusion The content of active flavonoids were related to the season, age, breeding, environment and geographic conditions, etc
