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2013, vol. 17, iss. 2, pp. 89-92
Obtaining active ingredients from aromatic plants during the processing of Wild Thyme (Thymus serpyllum L.)
aUniversity Singidunum, Faculty of Applied Ecology - Futura, Belgrade
bBIOSS - PS and other, Belgrade
Essential oils are highly volatile liquids obtained from various plants materials (flowers, buds, seeds, leaves, twigs, bark, herbs, trees, fruits, roots and other plant parts). Wild Thyme (Thymus serpyllum L.) is a popular remedy regarding both traditional and conventional medicine. It is used as the antiseptic, aromatic, expectorant, stomachic, antispasmodic, carminative and preservative substance. Wild Thyme is a constituent of numerous herbal preparations made in pharmacies and the pharmaceutical industry due to its pharmacodynamic effects. It is extensively utilized in medicine, pharmacy, the food industry, the cosmetic industry, the alcoholic and non-alcoholic beverage industry, and the paint and varnish industry. For the purpose of this paper, Wild Thyme essential oil was isolated from the dried herb T. serpyllum by hydrodistillation. The following processing equipment was used for the hydrodistillation of T. serpyllum essential oils: 1) a semi-industrial distillation device SP-130 performing distillation by water and steam, 2) a Clevenger apparatus operating according to the procedure prescribed by the Euro Ph. 6.0. The temperature during the hydrodistillation in the device SP-130 ranged from 100 °C – 102 °C at atmospheric pressure, and the whole process lasted 5 hours. The isolated essential oil is a liquid of light yellow colour and the odour characteristic of the genus Thymus. The weight of treated dried plant biomass was 5.5 kg. After drying by means of anhydrous sodium sulphate, 4.1 g of pure essential oil was obtained. Obtained yield of essential oil by applying the distillation device SP-130 was 0.08 %. For comparative purposes, the same plant material used in the first trial with the device SP-130 was crushed and subjected to hydrodistillation in the Clevenger apparatus with the ratio of plant material and water 1:10 (m / v) for 2 hours. The yield of essential oil was 0.1%.
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article language: English
document type: Original Scientific Paper
published in SCIndeks: 02/09/2013

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