Study on Polygonum Multiflorum Thunb and Extracts by DRIFTS and ATR-FTIR
YAO Yan1, CHEN Qi-jie2, ZHANG Ping2*, LIU Wen-feng2, SUN Li-li1, DU Wen-qing2, SHE Ting-hui2, KANG Xiao-long1, WANG Xiao-lan1
1. Guangzhou Key Laboratory for Functional Studies on Plant Stress-Resistant Genes, School of Life Science, Guangzhou University, Guangzhou 510006, China 2. School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
Abstract：The diffuse-reflectance FTIR spectroscopy (DRIFTS) and attenuated total reflection FTIR (ATR-FTIR) were used to study polygonum multiflorum Thumb and its extracts. The result shows that when acetone is used as extraction agent, the contents of extracts in polygonum multiflorum Thunb’s phloem are highest, those in polygonum multiflorum Thunb’s xylem are the lowest. Compared with DRIFTS and ATR-FTIR, it can be found that there are some differences between polygonum multiflorum Thunb and its extracts. There are two gentle absorption peaks at 3 576 and 3 147 cm-1 respectively for polygonum multiflorum Thunb, while there is a strong absorption peak at 3 351 cm-1 for its extracts, showing that there may be more OH… active ingredients in polygonum multiflorum Thunb’s extracts. Meanwhile, polygonum multiflorum Thunb has strong absorption peaks at 931, 859, 766 and 709 cm-1 respectively, while its extracts have no resembling absorption peaks. It also shows that the extracts are active ingredients.
姚 焱1，陈绮洁2，张 平2*，刘文峰2，孙莉丽1，杜文卿2，佘婷慧2，康小龙1，王小兰1 . 何首乌及其提取物的漫反射和衰减全反射红外光谱研究[J]. 光谱学与光谱分析, 2013, 33(01): 89-91.
YAO Yan1, CHEN Qi-jie2, ZHANG Ping2*, LIU Wen-feng2, SUN Li-li1, DU Wen-qing2, SHE Ting-hui2, KANG Xiao-long1, WANG Xiao-lan1. Study on Polygonum Multiflorum Thunb and Extracts by DRIFTS and ATR-FTIR . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2013, 33(01): 89-91.
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