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Antiradical activity of retinal lipids under illumination

Kerimov, R.F.; Dzhafarov, A.I.

Biulleten' Eksperimental'noi Biologii i Meditsiny 110(7): 50-52

1990

ISSN/ISBN: 0365-9615
PMID: 2224101
Document Number: 359633
Antiradical activity (ARA) of lipids from cattle in norm and under strong illumination with and without antioxidants was studied by chemoluminiscence method of initiated ethylbenzol oxidation. Lipids ARA from the retina in norm was established to be sufficiently high-3.0 X 10(6) l/mol. s. alpha-tocopherol was proposed to be the main component influencing lipids ARA. Under strong illumination (15 min:, 0.8 J/s) lipids ARA decreased due to intensification of lipid peroxidation (the content of MDA was increased). The antioxidants (alpha-tocopherol, potassium phenozan, ionol) in 0.1 mM concentrations increased the ARA of lipids in spite of light action. Changes in overall inhibitory activity of natural antioxidants and MDA content was antibat.

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