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Effect of kojic acid on the oxidation of DL-DOPA, norepinephrine, and dopamine by mushroom tyrosinase.
Year:
1995
Authors :
Kahn, Varda
;
.
Volume :
8
Co-Authors:
Kahn, V., Department of Food Science, Agricultural Research Organization, Bet Dagan, Israel.
Facilitators :
From page:
234
To page:
240
(
Total pages:
7
)
Abstract:
Kojic acid inhibits effectively the rate of formation of pigmented product(s) and of oxygen uptake when DL-DOPA, norepinephrine and dopamine are oxidized by mushroom tyrosinase. In addition to the direct effect of kojic acid on the enzyme, kojic acid also affects the UV-VIS spectrum of the final product(s) formed, this being due to the ability of the o-quinones of these substrates to oxidize kojic acid to a yellow product(s). Kojic acid can thus prevent the conversion of the o-quinones of DL-DOPA, norepinephrine and dopamine to their corresponding melanin.
Note:
Related Files :
Basidiomycota
Dihydroxyphenylalanine
DOPA
Kinetics
kojic acid
metabolism
mycotoxin
Norepinephrine
Pigments, Biological
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More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
22204
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:50
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Scientific Publication
Effect of kojic acid on the oxidation of DL-DOPA, norepinephrine, and dopamine by mushroom tyrosinase.
8
Kahn, V., Department of Food Science, Agricultural Research Organization, Bet Dagan, Israel.
Effect of kojic acid on the oxidation of DL-DOPA, norepinephrine, and dopamine by mushroom tyrosinase.
Kojic acid inhibits effectively the rate of formation of pigmented product(s) and of oxygen uptake when DL-DOPA, norepinephrine and dopamine are oxidized by mushroom tyrosinase. In addition to the direct effect of kojic acid on the enzyme, kojic acid also affects the UV-VIS spectrum of the final product(s) formed, this being due to the ability of the o-quinones of these substrates to oxidize kojic acid to a yellow product(s). Kojic acid can thus prevent the conversion of the o-quinones of DL-DOPA, norepinephrine and dopamine to their corresponding melanin.
Scientific Publication
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