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KMID : 0604520220480010039
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Journal of the Society of Cosmetic Scientists of Korea
2022 Volume.48 No. 1 p.39 ~ p.46
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A Study on the Verification of Physiological Activities of Ternstroemia kwangtungensis Merr. Extract
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Jung Su-Hyun
Yeom Hyeon-Ji
Lee Jin-Young
Oh Min-Jeong
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Abstract
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In this study, we tried to find out the value of using Vietnamese Ternstroemia kwangtungensis Merr. (TK) extracts as a functional material. As a result of measuring the level of Nrf2 expression of TK, 50% ethanol extract TK leaf showed the highest activity at a concentration of 200 μg/mL. In order to confirm the stability of the extract over time at room temperature, UPLC was performed, and stability was maintained because the patterns of the UV spectrum pattern were the same. In order to confirm the antioxidant efficacy of TK, the activity increased as the concentration increased as a result of measuring electron donating and ABTS+ radical scavenging ability. At 1,000 μg/mL, they showed effects of 94.6% and 90.8%, respectively. As a result of measuring the tyrosinase inhibitory activity showed an inhibitory ability of 24.4% at a concentration of 1,000 μg/mL. In addition, as a result of examining the elastase inhibitory activity of the extract was increased in a concentration-dependent manner, and it was confirmed that the inhibitory activity was 42.7% at 1,000 μg/mL. From these results, it was confirmed that the TK extract was valuable as a natural material for cosmetics.
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KEYWORD
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Ternstroemia kwangtungensis Merr., antioxidant activity, whitening, anti-wrinkle
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