Essential oil of Rynchosia minima DC. from Kenya: composition and antibacterial properties

The hydrodistilled essential oil (yield, 0.1%) of semi-dried leaves of Rynchosia minima DC. was analyzed by GC and GC/MS. Twenty-four compounds representing 95.9% of the oil were identified. The major components were found to be beta-caryophyllene (30.4%), germacrene B (17.9%), camphor (7.8%), alpha...

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Bibliographic Details
Published in:The Journal of essential oil research 2005-03, Vol.17 (2), p.230-231
Main Authors: Mwangi, J.W, Thoithi, G.N, Kibwage, I.O, Demo, M.S, Oliva, M.M, Zunino, M.P, Zygadlo, J.A
Format: Article
Language:English
Subjects:
annual weeds
antibacterial activity
antibacterial plants
antibacterial properties
chemical composition
essential oil composition
essential oils
Fabaceae
germacrene B
indigenous species
leaves
medicinal plants
Papilionaceae
plant extracts
Rynchosia minima
β-caryophyllene
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Summary:The hydrodistilled essential oil (yield, 0.1%) of semi-dried leaves of Rynchosia minima DC. was analyzed by GC and GC/MS. Twenty-four compounds representing 95.9% of the oil were identified. The major components were found to be beta-caryophyllene (30.4%), germacrene B (17.9%), camphor (7.8%), alpha-humulene (7.4%) and gamma-muurolene (7.3%). The oil was found to exhibit antibacterial activity against Bacillus cerus, Staphylococcus aureus and Micrococcus luteus.
ISSN:1041-2905
2163-8152
DOI:10.1080/10412905.2005.9698885