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4 results on '"L. Nedorostova"'

2. Screening of selected essential oils for antibacterial activity in vapour phase

Author

Pavel Klouček, Ladislav Kokoska, L. Nedorostova, and M. Stolcova

Subjects
Pharmacology, Complementary and alternative medicine, Chemical engineering, Chemistry, Phase (matter), Organic Chemistry, Drug Discovery, Pharmaceutical Science, Molecular Medicine, Organic chemistry, Antibacterial activity, Analytical Chemistry

3. Activity of essential oils in vapour phase against Paenibacillus larvae

Author

L. Nedorostova, Dalibor Titera, L. Kokoska, J. Flesar, and Pavel Klouček

Subjects
Pharmacology, Complementary and alternative medicine, Chemistry, Phase (matter), Organic Chemistry, Drug Discovery, Pharmaceutical Science, Molecular Medicine, Food science, Analytical Chemistry, Paenibacillus larvae

4. Essential oils in the ranunculaceae family: chemical composition of hydrodistilled oils from Consolida regalis, Delphinium elatum, Nigella hispanica, and N. nigellastrum seeds.

Author

Kokoska L, Urbanova K, Kloucek P, Nedorostova L, Polesna L, Malik J, Jiros P, Havlik J, Vadlejch J, and Valterova I

Subjects
Cluster Analysis, Gas Chromatography-Mass Spectrometry, Oils, Volatile isolation & purification, Principal Component Analysis, Seeds chemistry, Delphinium chemistry, Nigella chemistry, Oils, Volatile chemistry, Ranunculaceae chemistry
Abstract

In this study, we analyzed the chemical composition of volatile oils hydrodistilled from seeds of Consolida regalis, Delphinium elatum, Nigella hispanica, and N. nigellastrum using GC and GC/MS. In C. regalis, octadecenoic (77.79%) and hexadecanoic acid (8.34%) were the main constituents. Similarly, the oils from D. elatum and N. hispanica seeds consisted chiefly of octadecadienoic (42.83 and 35.58%, resp.), hexadecanoic (23.87 and 28.59%, resp.), and octadecenoic acid (21.67 and 19.76%, resp.). Contrastingly, the monoterpene hydrocarbons α-pinene (34.67%) and β-pinene (36.42%) were the main components of N. nigellastrum essential oil. Our results confirm the presence of essential oils in the family Ranunculaceae and suggest chemotaxonomical relationships within the representatives of the genera Consolida, Delphinium, and Nigella. In addition, the presence of various bioactive constituents such as linoleic acid, (-)-β-pinene, squalene, or carotol in seeds of D. elatum, N. hispanica, and N. nigellastrum indicates a possible industrial use of these plants., (Copyright © 2012 Verlag Helvetica Chimica Acta AG, Zürich.)

Published
2012
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