Abstract
ABSTRACT Composition and antimicrobial activity of root, leaf, stem, flower and fruit essential oils from cultivated Pastinaca sativa subsp. sativa, and its two wild-growing relatives P. sativa subsp. urens and P. hirsuta (Apiaceae) were investigated. Twenty-nine hydrodistilled essential oils of plants from different localities and/or years were analysed by GC-FID and GC/MS. Dominant in root oils was myristicin (P. sativa) or apiole (P. hirsuta), in leaf and stem oils myristicin (cultivated plants) or γ-palmitolactone (wild-growing plants) and in flower and fruit oils aliphatic esters. Multivariate statistics (PCA, nMDS, UPGMA clustering) generally revealed separation of oils of investigated Pastinaca taxa and demonstrated their chemosystematic significance. One oil per each organ of all three plants (fifteen in total) was tested using microdilution method for activity against Candida tropicalis, C. parapsilosis, C. krusei, C. glabrata, C. albicans, Staphylococcus aureus, Bacillus cereus, Listeria monocytogenes, Escherichia coli, Salmonella Typhimurium and Enterobacter cloacae; MIC = 0.25–8 mg/mL, MBC(MFC) = 0.5–16 mg/mL.
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