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A New York City native, the 1850 census reports that Postley lived there with his wife and two young children

In the first step, enzymes such as cytochrome P450 monooxygenases catalyze various reactions (oxidation, reduction or hydrolysis) to expose or introduce a functional moiety on hydrophobic substrates

Bibcode:2004PNAS..101.3729E

So far, p -hydroxybenzoic acid, chlorogenic acid (the ester of caffeic acid ), vanilic acid (4-hydroxy-3-methoxybenzoic acid) and protocatechuic acid (a dihydroxybenzoic acid) from Hypericum laricifolium Juss 154 , protocatechualdehyde (IC 50 = 0.40 g/mL) from Phellinus linteus 175 , benzoic acid propyl gallate 309 , orsellinic acid (2,4-dihydroxy-6-methylbenzoic acid) and orsellinates (2,4-dihydroxy-6-methyl benzoates) 310 , p -coumaric acid from ginseng leaves 311 , m -coumaric acid 312 , p -coumarate 313 and its derivatives from leaves of Breynia officinalis 184 caffeic acid and its n -nonyl ester 314 , ferulic acid from Spiranthes sinensis 224 , 4-Hydroxy cinnamic acid 315 , synthetic hydroxycinnamoyl phenylalanyl/prolyl hydroxamic acid derivatives 316 , and seven hydroxycinnamoyl derivatives in green coffee beans 317 have been investigated for their tyrosinase inhibition activity

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Competing interests: All authors have read and approved of the contents of the manuscript and none of the authors have competing financial interests