Pro-oxidant versus anti-oxidant effects of seeds aglycone extracts of Lepidium sativum and Eruca vesicaria Linn., in vitro, and on neutrophil nitro-oxidative functions
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This study evaluated the anti-inflammatory and antioxidant properties of seeds aglycone extracts from Lepidium sativum (LS) and Eruca vesicaria (EV) Linn., on oxidative damages in vitro and on neutrophil nitro-oxidative functions. The results showed that LS and EV aglycone extracts attenuated liver microsomal lipids and proteins oxidation through a potent antioxidant effect as attested by the dose dependent quenching of DPPH radical scavenging activity. LS and EV aglycone extracts inhibited dose dependently the production of superoxide anion by BALB/c mice-derived peritoneal neutrophils, whereas they slightly enhanced exocytosis of myeloperoxidase (MPO), a marker of azurophilic granules. Interestingly, only LS replenished glutathione (GSH) and nitric oxide levels, indicating a fine differential effect. This study highlighted the subtle oxidative and antioxidant capacity of LS and EV seeds aglycone extracts. These health promoting compounds could be used to finely modulate critical events involved in microbial infection, inflammation and nitro-oxidative stress.
KeywordsEruca vesicaria Lepidium sativum Glutathione Lipid peroxides Myeloperoxidase Nitro-oxidative stress
Lipid peroxidation inhibition
Nitric oxide synthase
Reactive oxygen species
The authors are grateful to Dr Haj-Arab. H. for the identification of the plant
Compliance with ethical standards
Conflict of interest
All authors declare that there is no conflict of interest.
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