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The study aimed to determine the effect of aqueous extracts of medicinal plants (Matricaria chamomilla, Hypericum perforatum, Achillea millefolium, and Urtica dioica) containing allelopathic compounds on seed germination in lambsquarters (Chenopodium album) and herbicide-resistant windgrass (Apera spica-venti). A Petri-dish experiment was carried out, in which the effects of five concentrations of...
Aktywne roślinne metabolity wtórne z grupy związków fenolowych (polifenole i hydroksykwasy karboksylowe) były ekstrahowane 80- proc. metanolem z miąższu dwunastu odmian należących do trzech gatunków dyni (Cucurbita sp.). Metodą Folina i Ciocalteu oznaczano sumę fenoli, a techniką wysokosprawnej chromatografii cieczowej (HPLC UV-Vis) dokonano identyfikacji 6 kwasów fenolowych (kwas p-hydroksybenzoesowy,...
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