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Red vine leaf extract (RVLE) can be applied to a wide variety of medical disciplines, such as treatments for chronic venous insufficiency over many decades. This study investigated the tyrosinase inhibitory activity of RVLE containing gallic acid, chlorogenic acid, epicatechin, rutin, and resveratrol which are effective for skin hyperpigmentation. The five components contents are 1.03, 0.2, 18.55, 6.45, and 0.48\u2009mg\/g for gallic acid, chlorogenic acid, epicatechin, rutin, and resveratrol. The kinetic study showed the tyrosinase inhibitory of RVLE via a competitive reaction mechanism. RVLE solution has an IC<jats:sub>50<\/jats:sub> (the half inhibitory concentration) value of 3.84\u2009mg\/mL for tyrosinase inhibition, that is, an effective tyrosinase inhibitory activity, and can be used as a whitening agent for cosmetic formulations in the future.<\/jats:p>","DOI":"10.1155\/2017\/5232680","type":"journal-article","created":{"date-parts":[[2017,6,1]],"date-time":"2017-06-01T17:03:55Z","timestamp":1496336635000},"page":"1-5","source":"Crossref","is-referenced-by-count":46,"title":["Kinetics of Tyrosinase Inhibitory Activity Using<i> Vitis vinifera<\/i> Leaf Extracts"],"prefix":"10.1155","volume":"2017","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9522-1812","authenticated-orcid":true,"given":"Yung-Sheng","family":"Lin","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering, National United University, Miaoli, 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