Short-term assessment of toxicological aspects, oxidative and inflammatory response to dietary melon superoxide dismutase in rats
2013
Carillon, Julie | Fouret, Gilles | Feillet Coudray, Christine | Lacan, Dominique | Cristol, Jean-Paul | Rouanet, Jean-Max | Nutrition et Alimentation des Populations aux Suds (NutriPass) ; Université Montpellier 1 (UM1)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | Bionov SARL | Dynamique Musculaire et Métabolisme (DMEM) ; Institut National de la Recherche Agronomique (INRA)-Université de Montpellier (UM) | Département de Biochimie ; Laboratoire des Sciences Alimentaires et Métabolisme
The protective effects of SODB, a gastro-resistant encapsulated melon superoxide dismutase, on haematological and biochemical parameters and inflammatory and oxidative status, were evaluated in the blood and liver tissue. The study consisted in a 28-day experiment on rats supplemented with three doses (10, 40 and 160 U SOD/day) of SODB-M, SODB-D or SODB-S, different depending on the nature of the coating (palm oil, shellac or gum Arabic respectively). No mortality, abnormal clinical signs, behavioural changes or macroscopic findings were observed whatever the groups. Haematological parameters (total red blood cell count, haemoglobin content, haematocrit, red cell indices, white blood cell count and platelets count) were not modified in SODB treated-groups. No marked change was recorded in biochemical parameters (plasma urea, creatinine, lipids, electrolytes, bilirubin, transaminases and gamma-glutamyl transferase). The liver endogenous antioxidant enzymes (copper/zinc and manganese superoxide dismutase) expressions were significantly increased in the rats receiving the highest dose of SODB (160 U SOD/day) whatever the coating. Moreover, interleukin-6, a marker of inflammation, was significantly decreased in these high dose-treated-groups.
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