400640 Determination of eugenol carvacrol and thymol in essential oils by TLC

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Determination of eugenol carvacrol and thymol in essential oils by TLC

Summary

Type: TLC
Application #: 400640
Catalog#: 1914056 - Nano-Silica HPTLC Plates, glass backed, 200um, 10x10cm 25/pk
Detection: with Emerson reagent (4-aminoantipyrine/ potassium hexacyanoferrate(III) reagent, see chapter visualization reagents), red spots on light yellow background, detection limit 200-500 ng/spot
Conditions: Eluent:
for SIL G-25: chloroform, 10 cm in 20 min, ascending
for separation of carvacrol and thymol Nano-SIL-20: toluene, 6 cm in 12 min, ascending
Authors: Zentz, V.
Source: Saarland University, Germany 1978


Details


Legend: Rf values in chloroform: Carvacrol + thymol 0.3 - 0.35 Eugenol 0.4 - 0.45