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7742436 
Journal Article 
TLC and GC analysis of the essential oils of Stachys species 
Haznagy-Radnai, E; Czigle, S; Mathe, I 
2007 
Yes 
Journal of Planar Chromatography - Modern TLC
ISSN: 0933-4173 
SPRINGER HEIDELBERG 
HEIDELBERG 
20 
189-196 
English 
Species of the Lamioideae subfamily of the family Lamiaceae, including Stachys species, do not contain much essential oil. The first stage of studying the volatile components of Stachys species was characterization of n-hexane extracts by TLC, with sabinene, limonene, linalool, and β-caryophyllene as test materials. On the basis of these results we then studied the volatile compounds by use of GC-FID and GC-MS. By examination of the TLC plates, use of Kováts retention indices, and MS library search we identified components of essential oil fractions obtained from Stachys officinalis II. (L.) Trev., Stachys alpina L., Stachys macrantha (Koch) Stearn, Stachys palustris L., Stachys recta L. subsp. recta, and Stachys annua L. (from Vácrá tót) by vapor distillation in accordance with Hungarian Pharmacopoeia VII. © 2007 Akadémiai Kiadó. 
essential oils; Stachys species; TLC; GC-FID; GC-MS