This invention relates to an aqueous diphase solvent system for high-purity polysaccharides separation and purification. The present invention also provides methods for purifying polysaccharide in natural products.
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It introduces methods of screening, identifying and isolating HMG-CoAR inhibitors. In particular, said method is useful for screening natural raw products. It also provides potent HMG-CoAR inhibitors for treatment and prevention of diseases and conditions associated with elevated cholesterol and/or .....
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It introduces a novel triterpene saponin fraction (named PSF) with anti-inflammatory and analgesic activities. Two hitherto unreported novel triterpene saponins were isolated in substantially pure form from the root of Ilex pubescens. The chemical structures and some properties of the triterpene sap.....
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