Quantitative determination of ethyl-p-hydroxybenzoate in resins extracted from Dracaena cochinchinensis with two technologies.
- Author:
Yue-ying SONG
1
;
Qing-yun ZHANG
;
Ying-qing HU
;
Chang-hu DENG
Author Information
- Publication Type:Journal Article
- MeSH: Dracaena; chemistry; Parabens; analysis; Plants, Medicinal; chemistry; Technology, Pharmaceutical; methods
- From: China Journal of Chinese Materia Medica 2004;29(4):323-325
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVEQuantitative determination was made of ethyl-p-hydroxybenzoate in Dracaena cochinchinensis extracted with two technologies.
METHODThe sample was resolved with methanol and isolated by TLC, purged with methanol. Tge sample solution was chroma to graphed on a C18 column with acetonitrile-1% acetic acid (31:69) as mobile phase, detecting at 257 nm and content was calculated with external standard method.
RESULTThe standard curves of ethyl-p-hydroxybenzoate were linear in the range of 0.206-4.12 ng, r = 0.9998. The average recovery was 97.2% and RSD was 1.4%.
CONCLUSIONThe content of ethyl-p-hydroxybenzoate in D. cochinchinensis extracted with heating-tree technongy is higher than that with traditional technology.
