Study on changing rules for total flavonoids and total terpene lactones in Ginkgo biloba leaves at different ages of tree and collecting seasons
- VernacularTitle:不同树龄银杏叶在不同季节中总黄酮和总内酯的含量变化
- Author:
Dawei QIAN
;
Jianming JU
;
Lingying ZHU
;
Jinao DUAN
;
Yuhuan WANG
;
Shaojun ZHANG
;
Qiaosheng GUO
;
- Publication Type:Journal Article
- Keywords:
Ginkgo biloba L. leaves;
total flavonoids;
total terpene lactones;
season;
ages of tree
- From:
Chinese Traditional and Herbal Drugs
1994;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Object To define suitable gathering season of Ginkgo biloba L. leaves. Methods The content of total flavonoids and total terpene lactones in G. biloba leaves were determined by HPLC DAD and HPLC ELSD. Results The content of total flavonoids and total terpene lactones in G. biloba were distinct in different ages of tree and collecting seasons. Conclusion The content of total flavonoids and total terpene lactones in G. biloba are the highest in 2 3 ages of tree. The total flavonoid is the highest in May and total terpene lactone is the highest in September.