根皮素，别名三羟苯酚丙酮2,4,6-三羟基-3-(4-羟基苯基)苯丙酮。是国外新近研究开发出来的一种新型天然皮肤美白剂，主要分布于苹果、梨等多汁水果的果皮及根皮。根皮素可应用于面膜、护肤膏霜、乳液和精华素中。为珍珠白结晶粉末，能溶于乙醇和丙酮，几乎不溶于水。
这种乳膏根据特定配方制得，包含商业用乳脂及根皮素。
This skin cream consists of commercial milk fat mixed with phloretin according to a particular formula.
结果表明根皮素异烟酰基腙的抗氧化活性显著优于根皮素。
The results showed that the antioxidant and free radical scavenging abilities of hydrazone was stronger than phloretin.
苦涩味均较强的果实其绿原酸、儿茶素、表儿茶素、根皮素和原花青素含量最高。
In fruits with both astringent and bitter taste, the contents of chlorogenic acid, catechin, epicatechin, phloridzin, and procyanidins were the highest.
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