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KMID : 0613820190290030279
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Journal of Life Science
2019 Volume.29 No. 3 p.279 ~ p.286
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Whitening Activity of Sambucus Sieboldiana Var. Pendula (Nakai) Extract
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Yoo Dan-Hee
Kim Jin-Tae
Oh Min-Jeong
Yeom Hyeon-Ji
Lee Jin-Young
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Abstract
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This study evaluated the anti-oxidant and whitening effects of a 70% ethanol extract of the Sambucus sieboldiana var. pendula (Nakai) (SS). At 1,000 μg/ml concentration, the electron donating ability of this SS extract was found to be 86.21% and the ABTS+ radical scavenging ability was 97.9%. In terms of whitening activity, the tyrosinase inhibitory effect of the extract was 37%, also at 1,000 μg/ml concentration. To explore the extractefftoxicity to B16F10 melanoma cells, a 3-[4,5-dimethyl-thiazol-2-yl]-2,5- diphenyl-tetrazoliumbromide assay was performed. Results showed 90% or more cells remained viable at 100 μg/ml concentration. A Western blot of the SS extract was used to measure microphthalmia-associated transcription factor (MITF), tyrosinase-related protein-1 (TRP-1), tyrosinase relate protein-2 (TRP-2), and the tyrosinase protein expression inhibitory effect at 25, 50, 100 μg/ml concentrations; β-actin was used as a positive control. Consequently, the MITF, TRP-1, TRP-2, and the tyrosinase protein expression inhibitory effect were seen to decrease by 34.5%, 45.6%, 58.4%, and 79.6%, respectively, at 100 μg/ml concentration. These were also then measured by reverse transcription-polymerase chain reaction at 25, 50, 100 μg/ml concentrations with GAPDH as a positive control. As a result, the SS extract was seen to decrease MITF, TRP-1, TRP-2, and the tyrosinase protein expression inhibitory effect by 85.4%, 67.5%, 85.2%, 67.1%, respectively at the 100 μg/ml concentration. We therefore confirmed the possibility of Sambucus sieboldiana var. pendula (Nakai) extract as a whitening material.
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KEYWORD
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MITF, Sambucus sieboldiana Var. pendula (Nakai), TRP-1, TRP-2, tyrosinase
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