期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 53, 期 18, 页码 7024-7028出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf047943q
关键词
tyrosinase; anisaldehyde; oxygen consumption; consecutive spectrum; HPLC analysis
Anisaldehyde (p-methoxybenzaldehyde) was previously reported to inhibit the tyrosinase-catalyzed oxidation of L-3,4-dihydroxyphenylalanine (L-DOPA) noncompetitively as long as the enzyme activity was monitored by measuring dopachrome formation. However, anisaldehyde did not inhibit this oxidation if a longer reaction time was observed, although it suppressed the initial rate of oxidation to a certain extent. Anisaldehyde significantly suppressed the rate of enzymatic oxidation of L-tyrosine.
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