[Surface-enhanced raman spectroscopic analysis of largehead Atractylodes rhizome decoction].
The normal Raman spectra and surface-enhanced Raman spectra (SERS) of largehead atractylodes rhizome decoction were tested and analyzed. The characteristic Raman bands of largehead atractylodes rhizome decoction were tentatively assigned. Six obvious Raman bands (396, 548, 617, 730, 955 and 1327 cm(-1)) were observed in the SERS of largehead atractylodes rhizome decoction. The absorption spectra of largehead atractylodes rhizome decoction and the mixture of silver colloids and largehead atractylodes rhizome decoction were tested. A new resonance absorption peak (999 nm) appeared in the long-wavelength region in UV-Vis absorption spectra of the mixture. The adsorption characteristics and possible enhancing mechanism of the largehead atractylodes rhizome decoction on silver colloid were speculated. The results showed that the surface-enhanced Raman spectroscopy might provide a new kind of precise, direct and fast detecting method for the largehead atractylodes rhizome decoction or other traditional Chinese medicine.
Chen
Wei-wei
WW
Key Laboratory of Optoelectronic Science and Technology for Medicine, Ministry of Education, Fujian Normal University, Fuzhou 350007, China. wwchen072@163.com
Feng
Shang-yuan
SY
Lin
Wen-shuo
WS
Chen
Rong
R
Li
Yong-zeng
YZ
Lin
Ju-qiang
JQ
Huang
Rui-xiang
RX
D000327:Adsorption; D031174:Atractylodes / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D010936:Plant Extracts / Q000737:chemistry*; D027343:Rhizome / Q000737:chemistry*; D013059:Spectrum Analysis, Raman
D004365:Drugs, Chinese Herbal; D010936:Plant Extracts