A leaf extract of Fragaria ananassa Duchesne Complex having skin whitening activity is provided to inhibit the activation of tyrosinase and melanogenesis and have anticancer effect with high content of ellagic acid. A composition for skin whitening comprises 0.001~20 weight% of Fragaria ananassa Duchesne complex leaf extract. A method for manufacturing the leaf extract of Fragaria ananassa Duchesne complex comprises: a step of washing, drying, and pulverizing the leaf of Fragaria ananassa Duchesne complex; a step of extracting the pulverized leaf with 50~100% of propylene glycol solution at 50-100°C for 0.5-5 hours; a step of filtering; and a step of concentrating and removing solvent. The Fragaria ananassa Duchesne complex is a Fragaria x ananassa L. duch cv. 'Sulhyang' from Non-san. The composition contains an ellagic acid as an ingredient.
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机译：提供具有皮肤增白活性的草莓（Fragaria ananassa Duchesne Complex）的叶提取物，以抑制酪氨酸酶的活化和黑色素生成，并且具有高含量的鞣花酸，具有抗癌作用。用于皮肤增白的组合物包含0.001〜20重量％的草莓（Fragaria ananassa Duchesne）复合叶提取物。一种草莓（Fragaria ananassa Duchesne）复合物的叶提取物的制备方法，其包括：洗涤，干燥和粉碎草莓（Fragaria ananassa Duchesne）复合物的叶的步骤;在50〜100℃下用50〜100％的丙二醇溶液提取粉碎后的叶片0.5〜5小时的步骤。过滤步骤;浓缩和除去溶剂的步骤。 Fragaria ananassa Duchesne复合物是Fragaria x ananassa L. duch cv。 Non-san的“ Sulhyang”。该组合物包含鞣花酸作为成分。
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