A composition for whitening containing fruit of Chinese quince extract

摘要

PURPOSE: Provided is a whitening composition containing the fruit extract of Chaenomeles sinensis Koehne which inhibits the activation of tyrosinase committed to the growth inhibition of melanin cells and the generation of melanin, and reduces the amount of melanin to exert the whitening effect. CONSTITUTION: A whitening composition comprises 0.01-10 wt.% of an extract of the fruit of Chaenomeles sinensis Koehne, and the extract is selected from the group consisting of a crude extract, a water soluble extract and an ethanol soluble extract. The crude extract is prepared by grating the fruit in a mixer or homogenizer, putting it in a deep freezer overnight, and drying it with a freeze dryer for 2-3 days. The water soluble extract is prepared by adding distilled water to the completely dried fruit, and extracting and filtering it, followed by the same processing steps as with the crude extract. The ethanol soluble extract is prepared by adding ethanol to the completely dried fruit, and extracting and filtering it at 45-55 deg.C for 4-6 hours, followed by the same processing steps as with the crude extract.