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Epigallocatechin-3-gallate (EGCG) affects the antioxidant and immune defense of the rainbow trout,Oncorhynchus mykiss.

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Title Epigallocatechin-3-gallate (EGCG) affects the antioxidant and immune defense of the rainbow trout,Oncorhynchus mykiss.
Not Available
 
Creator Thawonsuwan.J
V. Kiron
S. Satoh
A. Panigrahi
Verlhae.V
 
Subject Antioxidant
Catechin
EGCG
Immune response
Lipid hydroperoxide
Rainbow trout
Reactive oxygen species (ROS)
Vitamin E
 
Description Not Available
Epigallocatechin-3-gallate (EGCG), a
very potent antioxidant derived from green tea, was
compared with vitamin E in terms of its effects on
antioxidant defense and immune response of rainbow
trout, by means of a feeding trial of eight weeks. Two
of the experimental diets were supplemented with
EGCG at either 20 or 100 mg kg-1 diet (which
contained only 30% of the intended levels) and the
third was provided with 100 mg kg-1 vitamin E but
not EGCG. The control diet was not supplemented
with the test components. Observation of tissue levels
indicated that the high amount of EGCG helped to increase the availability of the lipid-soluble antiox idant vitamin E. The lower levels of lipid hydroper oxide in the liver of fish fed the higher amount of
EGCG suggested that it was an effective antioxidant.
Considering the immune indices, EGCG and vitamin
E at 100 mg (actual amounts 31.9 and 94.1 mg kg-1
diet, respectively) had identical capabilities in
improving phagocytic activity and controlling hydro gen peroxide production by leucocytes. However,
EGCG could possibly be more effective at enhancing
serum lysozyme activity and the alternative comple ment activity. This work revealed the potential of
EGCG as an antioxidant and an immunostimulant for
rainbow trout, at least at the inclusion level of
32 mg kg-1 diet.
Not Available
 
Date 2023-08-01T09:26:55Z
2023-08-01T09:26:55Z
2010-01-01
 
Type Journal
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/80374
 
Language English
 
Relation Not Available;
 
Publisher Not Available