Typical G.C. analysis

thymus zygis spp. sylvestris herb oil spain
Variations in the chemical composition of the essential oils of T. sygis L. ssp. sylvestris (Hoffm. et Link) Brot. ex. Coutinho and T. sygis L. ssp. gracilis (boiss.) R. Morales from southeastern Spain were determined by Saez (1995). In this study, oils from four collections of each subspecies were examined by GC and GC/MS. A summary of the data obtained from these analyses (Table IV) shows that different chemotypes of each of the subspecies can be found. Of these, only the thymol chemotypes of T. zygis ssp. gracilis is typical of the red thyme oil in commerce. Only the chemotype thymol will be shown here:
234.06  borneol
181.04iso bornyl acetate
300.04alpha- cadinol
31.76  camphene
150.10  camphor
291.66  carvacrol
200.36beta- caryophyllene
270.63  caryophyllene oxide
91.541,8- cineole
250.06  citronellol
1227.63para- cymene
260.39  geraniol
240.24  geranyl acetate
80.13  limonene
165.10  linalool
170.40  linalyl acetate
60.09  myrcene
101.14(Z)-beta- ocimene
22.28alpha- pinene
40.29beta- pinene
50.06  sabinene
140.22(E)- sabinene hydrate
191.15  terpinen-4-ol
71.91alpha- terpinene
1110.95gamma- terpinene
220.04alpha- terpineol
210.03delta- terpineol
130.15  terpinolene
10.08alpha- thujene
2834.18  thymol

F. Saez, Essential oil variability of Thymus zygis growing wild in southeastern Spain. Phytochemistry, 40, 819-825 (1995).

P&F 23, No. 1, 39, (1998)

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