Application of gas-liquid chromatography to the analysis of essential oils. Part IX. Determination of eugenol in oil of cinnamon bark

The Analyst ◽  
1981 ◽  
Vol 106 (1261) ◽  
pp. 456 ◽  
Keyword(s):  
Liquid Chromatography ◽  
Essential Oils ◽  
Gas Liquid Chromatography ◽  
Cinnamon Bark

Determination of 1,8-Cineole in Eucalyptus Essential Oils by Thin-Layer Chromatography and Densitometry

1995 ◽  
Vol 78 (1) ◽  
pp. 115-117 ◽  
Author(s):  
Carmen Rossini ◽  
Enrique Pandolfi ◽  
Eduardo Dellacassa ◽  
Patrick Moyna
Keyword(s):  
Liquid Chromatography ◽  
Thin Layer ◽  
Essential Oils ◽  
Thin Layer Chromatography ◽  
Mobile Phase ◽  
Light Petroleum ◽  
Gas Liquid Chromatography ◽  
Acid Reagent ◽  
Layer Chromatography

Abstract A thin-layer chromatography (TLC) method with scanning is described for evaluation of the 1,8-cineole content of Eucalyptus essential oils. Samples were developed on silica gel G 60 with light petroleum–chloroform (70 + 30) as mobile phase. Color was developed with 4-dimethylaminobenzal-dehyde–sulfuric acid reagent. The absorbance of colored spots was measured at 460 nm. The response was linear between 15 to 75 μg of 1,8-cineole, with a correlation coefficient of 0.9997. The results of each assay were compared with those from gas–liquid chromatography (GLC). The TLC to GLC ratio was constant (0.92).

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