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The composition of phenolic acids, both free and liberated from esters and glycosides, was determined in evening primrose and borage seeds by GC and MS. The free phenolic acid fraction was predominant in these seeds. Protocatechuic acid was the principal phenolic acid of the free and esterified phenolic acids in evening primrose seeds. Ferulic acid represented a high proportion of the free phenolic...
W pracy przeprowadzono fizyko-chemiczną charakterystykę oleju czarnuszki siewnej. Materiał badawczy stanowiły nasiona pochodzące z plantacji usytuowanej w Ogrodzie Doświadczalnym ART w Olsztynie. W nasionach oznaczono podstawowe składniki chemiczne: tłuszcz, białko, błonnik, popiół, węglowodany. W oleju określono skład procentowy frakcji acylogliceroli, skład kwasów tłuszczowych oraz substancje biologicznie...
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