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In an effort to identify anti-viral and cytotoxic compounds from Phyllanthus spp., 14 highly oxygenated norbisabolane sesquiterpenoids, phyllaemblicins H1–H14, were isolated from the roots of Phyllanthus emblica Linn, along with phyllaemblicins B and C and glochicoccinoside D. Their structures were determined on the basis of detailed spectroscopic analysis and chemical methods. Determination of absolute...
A collection of 70 randomly selected three-year-old Panax notoginseng plants was analyzed to evaluate the germplasmic resources of cultivated notoginseng. The results obtained indicated that the individual plants of P. notoginseng were greatly diversified not only in saponin contents, but also in morphological features. It was further proven that, after hundreds years of cultivation, notoginseng has...
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