نتایج جستجو برای: chemical constituents

تعداد نتایج: 408435  

Journal: :Journal of the agricultural chemical society of Japan 1964

Journal: :Asian Journal of Chemistry 2013

Journal: :Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy 2006
Hong-xia Liu Su-qin Sun Guang-hua Lv Kelvin K C Chan

In order to develop a rapid and effective analysis method for studying integrally the main constituents in the medicinal materials and their extracts, discriminating the extracts from different extraction process, comparing the categories of chemical constituents in the different extracts and monitoring the qualities of medicinal materials, we applied Fourier transform infrared spectroscopy (FT...

2011

Several reviews have examined various aspects of C. asiatica including the chemistry, pharmacology, and clinical uses but none of these reviews use the systematic review approach to locate and condense all the findings. The aim of this study was to systematically review the chemical constituents of C. asiatica. Electronic databases were searched for studies examining the chemical constituents o...

Journal: :Phytochemistry 2011
Xiao-Hui Yan Ying-Tong Di Xin Fang Shi-Ying Yang Hong-Ping He Shun-Lin Li Yang Lu Xiao-Jiang Hao

Eight limonoids (1-8) including three A, B and D-seco-16-nor-type ones, 5,6-dehydrodesepoxyharperforin C2 (1), harrpernoid B (2), and its C-9S epimer, harrpernoid C (3), along with six known compounds (9-14), were isolated from fruits of Harrisonia perforata. Extensive spectroscopic analysis was used to elucidate their structures and stereochemistries. Further confirmation of structures of 1 an...

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