Yoshizaki N, Hashizume R, Masaki H. A polymethoxyflavone mixture extracted from orange peels, mainly containing nobiletin, 3,3',4',5,6,7,8-heptamethoxyflavone and tangeretin, suppresses melanogenesis through the acidification of cell organelles, including melanosomes. J Dermatol Sci. 2017 Oct;88(1):78-84.
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