نتایج جستجو برای: chemical constituents
تعداد نتایج: 408435 فیلتر نتایج به سال:
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...
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...
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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