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Chromatographia

, Volume 52, Issue 1–2, pp 112–114 | Cite as

Quantitative determination of phenol derivatives fromOleum thymi

  • A. Bazylko
  • H. Strzelecka
Originals Thin-Layer Chromatography

Summary

The thymol and carvacrol content inOleum Thymi was determined by densitometry. Phenols were separated on a thin—layer of silica gel using two-step gradient elution. The dependence of measurement time on the amount of phenols was investigated. For comparison, the total phenolic content of the essential oil was also determined by colorimetry, the results indicating that the optimal measurment time at which the following measurements should be performed, is 5 min after the end of heating.

Key words

Thin-layer chromatography Densitometry Thymol, carvacrol and phenol derivatives fromOleum Thymi 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 2000

Authors and Affiliations

  • A. Bazylko
    • 1
  • H. Strzelecka
    • 1
  1. 1.Department of Pharmacognosy, Faculty of PharmacyUniversity of MedicineWarsawPoland

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