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KMID : 0604520170430010053
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Journal of the Society of Cosmetic Scientists of Korea
2017 Volume.43 No. 1 p.53 ~ p.60
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Whitening and Anti-inflammatory Constituents from the Extract of Citrullus lanatus Vines
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Jeon Ah-Lim
Kim Jung-Eun
Lee Nam-Ho
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Abstract
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In this study, we investigated whitening and anti-inflammatory constituents from a watermelon (Citrullus lanatus, C. lanatus) vines (leaves and stems). As anti-melanogenesis and anti-inflammatory activities were screened for the ethanol extract and solvent fractions, n-hexane (n-Hex) and ethyl acetate (EtOAc) fractions showed the most potent activities. Three constituents were isolated from the n-Hex and EtOAc fractions of C. lanatus; α-linolenic acid (1), sigmast-7-en-O-β-D-glucopyranoside (2), 1-feruloyl-β-D-glucopyrinoside (3). The chemical structures of the isolated compounds were elucidated based on the spectroscopic data including 1H and 13C NMR spectra, as well as comparison of the data to the literature values. Whitening and anti-inflammatory effects were studied for the isolated compounds. Upon the anti-melanogenesis tests using α-MSH stimulated B16F10 melanoma cells, the compounds 1 and 3 inhibited the cellular melanogenesis and intracellular tyrosinase activities effectively. For the anti-inflammation tests using lipopolysaccharide (LPS)-induced RAW 264.7 cells, the isolates 1 and 3 were determined to decrease the production of nitric oxide (NO) and pro-inflammatory cytokines (TNF-α, IL-6). Based on these results, C. lanatus vines extract could be potentially applicable as whitening and anti-inflammatory ingredients in cosmetic formulations.
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KEYWORD
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Citrullus lanatus , whitening , anti-inflammation , constituents
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