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2,4,5-trihydroxybutyrophenone (2,4,5-THBP) as a substrate for horseradish peroxidase
Year:
1996
Source of publication :
Journal of Food Biochemistry
Authors :
Kahn, Varda
;
.
Zakin, Varda
;
.
Volume :
20
Co-Authors:
Kahn, V., Department of Food Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Zakin, V., Department of Food Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Facilitators :
From page:
93
To page:
109
(
Total pages:
17
)
Abstract:
2,4,5-trihydroxybutyrophenone (2,4,5-THBP), in the presence of hydrogen peroxide (H2O2), is a substrate for horseradish peroxidase (HRP) with a Km value of 2.5 mM. An intermediate red product(s), probably 2,4,5-THBP quinone, characterized by a peak at 490-500 nm, was detected and the time course of its conversion to the final red product(s) was studied. The relationships between the rate of 2,4,5-THBP oxidation to pigmented product(s) as a function of various concentrations of H2O2, 2,4,5-THBP and HPR are described.
Note:
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DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
20492
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:37
Scientific Publication
2,4,5-trihydroxybutyrophenone (2,4,5-THBP) as a substrate for horseradish peroxidase
20
Kahn, V., Department of Food Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Zakin, V., Department of Food Science, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
2,4,5-trihydroxybutyrophenone (2,4,5-THBP) as a substrate for horseradish peroxidase
2,4,5-trihydroxybutyrophenone (2,4,5-THBP), in the presence of hydrogen peroxide (H2O2), is a substrate for horseradish peroxidase (HRP) with a Km value of 2.5 mM. An intermediate red product(s), probably 2,4,5-THBP quinone, characterized by a peak at 490-500 nm, was detected and the time course of its conversion to the final red product(s) was studied. The relationships between the rate of 2,4,5-THBP oxidation to pigmented product(s) as a function of various concentrations of H2O2, 2,4,5-THBP and HPR are described.
Scientific Publication
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