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KMID : 1134820120410010110
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Journal of the Korean Society of Food Science and Nutrition
2012 Volume.41 No. 1 p.110 ~ p.115
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A Study on the Development of Cosmetic Materials Using Unripe Peaches Seed Extracts
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Kim Da-Mi
Kim Kyoung-Hee
Kim Young-Sik
Koh Jong-Ho
Lee Kyung-Haeng
Yook Hong-Sun
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Abstract
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Various unripe peach (Prunus persica L. Batsch) seeds, which were picked on late May, were subjected to 80% methanol extracts to investigate the antioxidant activities, whitening effects, and anti-wrinkle activities. The yield of 6 cultivars (Takinosawa Gold, Kawanakawase Hakuto, Madoka, Yumefuji, Nagasawa Hakuho, and Hong Bak) from unripe peaches were the highest on Yumefuji, followed by Madoka, Kawanakawase Hakuto, Takinosawa Gold, Hong Bak, and Nagasawa Hakuho (6.16%, 6.08%, 5.65%, 5.25%, 5.23%, and 5.20%). The content of the total polyphenol of seed extracts ranged from 18.33 to 27.08 mg/g. The antioxidant in vitro assays including the DPPH and ABTS radical scavenging activities were the highest with Hong Bak and Kawanakawase Hakuto. The tyrosinase inhibition activity greatly affected the Takinosawa Gold and Kawanakawase Hakuto. Compared to the elastase inhibition activity of 6 cultivars, Madoka was higher than others, while the lowest was Hong Bak. The significant correlation coefficient values were determined (more than p=0.05) between the yield, total polyphenol content, antioxidant activities, tyrosinase inhibition, and elastase inhibition activities. The results suggested that the total polyphenol content has a high positive value on the DPPH, ABTS radical scavenging activity, and tyrosinase inhibition activity. Also, the tyrosinase inhibition activity and elastase inhibition activity showed a significant correlation (r=+0.594). The ABTS inhibition activity and tyrosinase inhibition activity that is the most suitable character represented significant positive correlation (r=+0.846). This data suggested that the methanol extracts from these unripe peaches could be potential candidates for natural cosmetics.
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KEYWORD
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Korean unripe peaches, total polyphenolic compounds content, antioxidant activities, tyrosinase inhibition activities, correlation analysis
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