نتایج جستجو برای: pyrrolizidine alkaloids
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The studies on chemical composition and biological activity of propolis had focused mainly on species Apis mellifera L. (Hymenoptera: Apidae). There are few studies about the uncommon propolis collected by stingless bees of the Meliponini tribe known as geopropolis. The geopropolis from Scaptotrigona postica was collected in the region of Barra do Corda, Maranhão state, Brazil. The chemical ana...
The Eupatorium plant has been well used in medication and as a decorative plant. Some studies have reported that this herb biochemical compounds, such sesquiterpenes, phenolics, polysaccharides, pyrrolizidine alkaloids. Thus, it pharmacological effects, including antifungal, antibacterial, cytotoxic, antinociceptive properties, can be utilized for cosmetic purposes. However, only few published ...
The Pyrrolizidine Alkaloids (PAs) are a group of chemicals found in a variety of plant species throughout the world. These toxic alkaloids are distributed mainly in Senecio (Compositae), Crotalaria (Legominosae) and Heliotropium (Boraginaceae) species. Plants containing these alkaloids cause significant mammalian morbidity and mortality, especially in humans. Upon ingestion, metabolic activatio...
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