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J Integr Plant Biol, 1978, 20 (1): -, Research Article
Study on the Essential Oils of the Thymus quinquecostatus Celak.
This paper presents the chemical constituents of the essential oils of Thymus quinquecostatus Celak. in Shandong Sheng. By applying the following techniques: (a) fractional distillation, (b) column chromatography, (c) TIC, (d) GLC and (e) IR, 16 components have been separated and identified e.i. linalool, borneol, p-cymene, cineole, carvacrol and others. It is also found that this species in Shandong Sheng has two chemotypes: linalool-type and carracrol-type. In addition, the variations of content of major components of the oils in various months have been determined.
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Online ISSN: 1744-7909 Print ISSN: 1672-9072 CN: 11-5067/Q