Physicochemical Characteristics and Spectroscopy of the Volatile Oil ofThymus vulgarisGrowing in Saudi Arabia

Abstract
The volatile oil of Thymus vulgaris, L. (Fam. Labiatae) growing in the Northern region of Saudi Arabia was prepared and its percentage was determined. Its specific gravity, refractive index, solubility and optical rotation have been determined. The chemical constituents of the oil have been identified using TLC and GLC-Mass spectrometry techniques. Thymol content of the oil was determined by two different methods. The data obtained were used to compare it with the Spanish and Moroccan thyme oils, and commercial value was considered.

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