ArticleJournal of physiology and biochemistry2013
Antioxidative effects of extracts from Trifolium species on blood platelets exposed to oxidative stress.
Article in Journal of physiology and biochemistry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 17 citations in OpenAlex.
- The Effects ofAntioxidants (Basel, Switzerland) · 2021Article
- The Effects ofAntioxidants (Basel, Switzerland) · 2021Article
- The Effect of Standardised Flower Extracts ofOxidative medicine and cellular longevity · 2019Article
- Isoflavones: Anti-Inflammatory Benefit and Possible Caveats.Nutrients · 2016Review
- The anti-adhesive and anti-aggregatory effects of phenolics from Trifolium species in vitro.Molecular and cellular biochemistry · 2016Article
- Antioxidant action of six Trifolium species in blood platelet experimental system in vitro.Molecular and cellular biochemistry · 2015Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Clovers (Trifolium) may possess a significant therapeutic potential, but the effects of compounds from these plants on blood platelets and haemostasis have been poorly recognized. The present study was designed to evaluate the antioxidative action of extracts from three species of clovers: Trifolium pratense, Trifolium pallidum and Trifolium scabrum in the protection of human blood platelets in vitro. Platelet suspensions were pre-incubated with crude extract and phenolic fraction of T. pratense or phenolic fractions of T. scabrum and T. pallidum, at the final concentrations of 0.5-50 μg/ml. Then, for the induction of oxidative stress, 100 μM peroxynitrite was added. The antioxidative activity of plant extracts was assessed by measurements of the level of 3-nitrotyrosine, thiol groups and lipid peroxidation products (hydroperoxides and thiobarbituric acid-reactive substances). Despite the significant differences in the composition of the investigated extracts, we observed antioxidative effects of all used mixtures. The presence of Trifolium extracts considerably reduced the peroxynitrite-mediated modifications of proteins and diminished peroxidation of lipids in platelets. Our results indicate on a strong antioxidative activity of the tested extracts-statistically significant effects were found even for the lowest concentrations (0.5 μg/ml) of all extracts. This action may be useful in the protection of blood components, very susceptible to oxidative modifications. The obtained results suggest that the examined clovers are a promising source of compounds, valuable for the protection against oxidative stress-induced damage to blood platelets.
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