To continue the natural identified chemical after that,we have found that 4-(4-hydroxyphenyl)-2-butanol(Rhododendrol:RD)inhibited the melanin synthesis more than Arbutin did.

我们在探索天然化合的,发现4-(4-羟苯基)-2-丁醇(杜鹃醇:以下简称RD)抑制黑色素合成的作用比熊果苷更强。

Betulin and betulinic acid, the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV .

桦木醇、桦木酸是具有羽扇烷结构的三萜化合，目前的研究发现，它们具有较高的抗肿瘤、抗HIV病毒活性，它们的衍生也有较高的生活性。

Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

约有30种化合已从绿茶的香别出来，其主要的有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲基水杨酸酯。