Combined Solvent Extraction – Clevenger Distillation method for producing blue essential oil from matricaria chamomilla flowers

Citation:
Mwaniki JM, Mbugua SN. "Combined Solvent Extraction – Clevenger Distillation method for producing blue essential oil from matricaria chamomilla flowers." Journal of the Kenya Chemical Society Vol 4 No 1, 2007, p12-26. 2007;Vol 4(1):12-26.

Abstract:

Abstract
Ground chamomile flowers were mixed with distilled acetone in a large conical flask, kept under varying period of days without agitation/shaking, yielded an organic extract, which when concentrated, mixed with water and Clevenger distilled produced the blue essential oil. Thin layer chromatography, Nuclear Magnetic Resonance spectra and Gas Chromatography analysis of the oil obtained from the direct Clevenger distillation of chamomile flowers and that from the Solvent Extraction-Clevenger Distillation (SECD) revealed similar components of essential oil extracted, though in varying proportions. The SECD method offers a cheaper method of producing chamomile essential oil on large scale without the use of expensive high-pressure steam systems currently being used for the extraction of the essential oil on industrial scale. The yield of the essential oil produced on a 400 g scale of flowers after eight days of contact between solvent and flowers (extraction) is comparable with that of Clevenger distillation on a laboratory scale (1.1% yield).

Notes:

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