J Integr Plant Biol. ›› 1978, Vol. 20 ›› Issue (1): -.

• Research Articles •    

Study on the Essential Oils of the Thymus quinquecostatus Celak.

  

Abstract: 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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