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KMID : 0665420190340050645
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Korean Journal of Food Culture
2019 Volume.34 No. 5 p.645 ~ p.650
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The Skin-Related Biological Activities of Aerially Extract of Oenothera lamarckiana
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Yang Ji-Yeong
Kim Jin-Woo
Lee Pyeong-Jae
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Abstract
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Skin plays important roles in protecting the internal organs from the chemical-biological risk factors and ultraviolet light.
Exposure to the chemical and biological stimuli has a detrimental effect on skin's structure and physiological regulation.
Therefore, much attention has been paid to natural products that show biological activities such as anti-oxidation, anti-agingand anti-bacterial activities. In this study, we investigated the skin-related biological activities of Oenothera lamarckiana aerialpart extract. The extract contained 229.35 mg TAE (tannic acid equivalents)/g total polyphenolic compounds and the extractshowed relative high antioxidant activity (SC50 value: 8.52 μg/mL). The IC50 value against tyrosinase and elastase were307.94 and 181.51 μg/mL, respectively. This suggested that O. lamarckiana can be applied to whiten skin and slow theaging of skin. O. lamarckiana extract showed a growth inhibitory effect on Staphylococcu epidermidis (minimum inhibitoryconcentration: 250 μg/mL). Interestingly, O. lamarckiana extract showed no inhibitory effect on Pseudomonas aeruginosaon the paper disc assay. Yet the extract inhibited the growth of Pseudomonas aeruginosa on the broth dilution assay in adose-dependent manners. Taken together, O. lamarckiana could have good potential for development as an additive in thecosmetic industry.
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KEYWORD
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Oenothera lamarckiana, anti-oxidation, anti-aging, anti-bacterial activity
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