Fructus crataegi (hawthorn) is the common name of all plant species in the genus Crataegus of the Rosaceae family.In the......

　　Catechins have found their applications in food and nutraceutical applications since they can treat various diseases......

目的研究托盘根的化学成分。方法应用色谱技术进行分离纯化,根据化合物的理化性质和光谱数据鉴定结构。结果分离并鉴定了10个化合......

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为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

通过制备色谱,从云杉树皮乙酸乙酯萃取物组份中,分离得到化合物CB,CB的纯度由色谱技术确认。经元素分析,化学分析以及光谱分析(IR......

Catechinone hair dyestuff was produced chemically from (+)-catechin by the oxidation with O2 in basic water/alcohol mixe......

A novel colourant for hair dyeing was prepared by an enzymatic reaction with (+)-catechin and its characteristics as a h......

儿茶素((+)-Catechin)是一种多羟基酚类化合物,分子结构式如Scheme 1所示.由于含有较多的羟基,容易与活性氧自由基结合,可消除人体......