Journal
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
Volume 74, Issue 1-2, Pages 101-109Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-1605(01)00734-6
Keywords
dill; cilantro; coriander; eucalyptus; distillates; antimicrobial
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Essential oils from dill (Anethum graveolens L.), coriander (seeds of Coriandrum sativum L.), cilantro (leaves of immature C sativum L.) and eucalyptus (Eucalyptus dives) were separated into heterogeneous mixtures of components by fractional distillation and were analyzed by gas chromatography-mass spectroscopy. Minimum inhibitory concentrations against gram-positive bacteria, grain-negative bacteria and Saccharomyces cerevisiae were determined for the crude oils and their fractions. Essential oil of cilantro was particularly effective against Listeria monocytogenes, likely due to the presence of long chain (C-6-C-10) alcohols and aldehydes. The strength and spectrum of inhibition for the fractions often exceeded those determined in the crude oils. Mixing of fractions resulted in additive, synergistic or antagonistic effects against individual test microorganisms. Crown Copyright (C) 2002 Published by Elsevier Science B.V. All rights reserved.
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