Study on Determination of Tannins in Rosa laecigata Michx. by Casein Method
- VernacularTitle:干酪素法测定不同产地金樱子中鞣质类成分的研究
- Author:
Zhimeng LI
;
Xiangri LI
- Publication Type:Journal Article
- Keywords:
Rosa laevigata Michx.;
Tannin;
Casein method
- From:
China Journal of Traditional Chinese Medicine and Pharmacy
2005;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
To establish a stable method for determining the tannins in Rosa laevigata Michx. by casein method. The optimum conditions of determination were adopting 400mg caseins,adding 1.5% Na2CO3 and detemining after 30 min. The selected method has a good liner dependance. The average recovery of tannin acid was 100.5%,RSD=1.85%. The method is rapid and reliable for the determination of tannins in Rosa laevigata Michx. and determined the contents of the fruits in eight different disturbs and xi’an 's content has the highest,3.96%.
