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Dietary supplementation of vitamin C: an effective measure to give protection against UV-B irradiation using fish as model organism

Abstract

Development of UV-B protective mechanism in aquacultural species is essential for sustainable production of healthy aqua crop. Freshwater carp Catla catla larvae (13.5 ± 1.12 mg) were fed with diet containing 0.5% vitamin C (D1) and control diet (D2) for 40 days. Each group was exposed at two doses of UV-B irradiation: 360 (5 min, D15min, D25min) and 720 mJ/cm2 (10 min, D110min, D210 min) for 15 days. Significantly (p < 0.05) higher survival and average weight were recorded in D1 compared to D2 exposed at same dose. Significantly (p < 0.001) higher nitric oxide synthase and lower thiobarbituric acid reactive substances and heat shock protein 70 levels were recorded in D15min compared to others. A direct relationship was found between the dose of UV-B and DNA fragmentation in muscles. DNA damage indices like, tail DNA, tail extent moment and olive tail moment were significantly (p < 0.01) lower in D15min. Supplementation of vitamin C in diet provided UV-B protection to larvae.

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Publication details

The article was accepted on 03 Nov 2018 and first published on 05 Nov 2018


Article type: Paper
DOI: 10.1039/C8PP00481A
Citation: Photochem. Photobiol. Sci., 2018, Accepted Manuscript
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    Dietary supplementation of vitamin C: an effective measure to give protection against UV-B irradiation using fish as model organism

    R. Chakrabarti, M. K. Singh, P. Mittal and J. G. Sharma, Photochem. Photobiol. Sci., 2018, Accepted Manuscript , DOI: 10.1039/C8PP00481A

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