Protective effect of saponins from Argania spinosa against free radical-induced oxidative haemolysis.
Saponins from Argania spinosa at a non-haemolytic concentration diminish by 53.2% erythrocyte haemolysis induced by free radicals. 2 mM aspirin and acetaminophen diminish by 75% and 68% , respectively, erythrocyte haemolysis induced by free radicals, while 0.3 microM vitamin E shows no significant antioxidant activity. Interestingly, a combination of 1 mg/l of A. spinosa saponins and vitamin E at 0.3 microM resulted in a 68% level of protection against free radical-induced erythrocyte haemolysis, which may suggest that A. spinosa saponins enhance the antioxidant effect of vitamin E. In contrast, no synergic effect was observed for acetaminophen (2 mM) when in combination with vitamin E (0.3 microM). These results demonstrate the antioxidant properties of saponins from A. spinosa and their ability to potentate the antioxidant effect of vitamin E.
Laboratoire de Biochimie et Immunologie, Faculté des Sciences, Avenue Ibn Batouta, BP 1014 Rabat, Morocco.
H
H
Amzal
K
K
Alaoui
S
S
Tok
A
A
Errachidi
R
R
Charof
Y
Y
Cherrah
A
A
Benjouad
D000082:Acetaminophen / Q000494:pharmacology; D000818:Animals; D001241:Aspirin / Q000494:pharmacology; D002478:Cells, Cultured; D004912:Erythrocytes / Q000187:drug effects / Q000378:metabolism; D005609:Free Radicals; D006454:Hemoglobins / Q000378:metabolism; D006461:Hemolysis / Q000187:drug effects*; D006801:Humans; D006861:Hydrogen Peroxide / Q000737:chemistry; D010084:Oxidation-Reduction; D012503:Saponins / Q000737:chemistry* / Q000494:pharmacology*; D029632:Sapotaceae / Q000737:chemistry*
D005609:Free Radicals; D006454:Hemoglobins; D012503:Saponins; D000082:Acetaminophen; D006861:Hydrogen Peroxide; D001241:Aspirin