Abstract
Two dimensional thin layer chromatography on DIOL polar bonded stationary phase was performed to optimize the separation of some anioxidant phenolic compounds from Eupatorium cannabinum extracts. Ethyl-methyl ketone mixed with n-heptane and ethyl acetate mixed with n-heptane were used as non-aqueous mobile phases in normal phase separations (1st direction of development in 2D-HPTLC mode) and methanol mixed with water was used as a mobile phase in reversed phase (2nd direction of development in 2D-HPTLC mode). The plates were sprayed by use of Merck TLC sprayer using 2-(diphenylboryoxy)-ethylamine and PEG4000 (Merck, Darmstadt, Germany) or DPPH and photographed in Camag Cabinet UV lamp at 254 nm and 365 nm by use of Fuji 8 mpx camera. Satisfactory separations of antioxidant phenolic compounds in Eupatorium cannabinum extracts were obtained by use of optimized 2D-HPTLC systems.
Keywords: 2D-HPTLC, DIOL stationary phase, Eupatorium cannabinum, plant extracts, antioxidant activity, phenolics, DPPH reagent, camera, thin layer chromatography, flavonoid aglycones
Medicinal Chemistry
Title: Two-dimensional Thin Layer Chromatographic Separation of Phenolic Compounds from Eupatorium cannabinum Extracts and their Antioxidant Activity
Volume: 8 Issue: 1
Author(s): Miroslaw A. Hawryl, Renata Nowak, Monika Waksmundzka-Hajnos, Ryszard Swieboda and Monika Robak
Affiliation:
Keywords: 2D-HPTLC, DIOL stationary phase, Eupatorium cannabinum, plant extracts, antioxidant activity, phenolics, DPPH reagent, camera, thin layer chromatography, flavonoid aglycones
Abstract: Two dimensional thin layer chromatography on DIOL polar bonded stationary phase was performed to optimize the separation of some anioxidant phenolic compounds from Eupatorium cannabinum extracts. Ethyl-methyl ketone mixed with n-heptane and ethyl acetate mixed with n-heptane were used as non-aqueous mobile phases in normal phase separations (1st direction of development in 2D-HPTLC mode) and methanol mixed with water was used as a mobile phase in reversed phase (2nd direction of development in 2D-HPTLC mode). The plates were sprayed by use of Merck TLC sprayer using 2-(diphenylboryoxy)-ethylamine and PEG4000 (Merck, Darmstadt, Germany) or DPPH and photographed in Camag Cabinet UV lamp at 254 nm and 365 nm by use of Fuji 8 mpx camera. Satisfactory separations of antioxidant phenolic compounds in Eupatorium cannabinum extracts were obtained by use of optimized 2D-HPTLC systems.
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Cite this article as:
A. Hawryl Miroslaw, Nowak Renata, Waksmundzka-Hajnos Monika, Swieboda Ryszard and Robak Monika, Two-dimensional Thin Layer Chromatographic Separation of Phenolic Compounds from Eupatorium cannabinum Extracts and their Antioxidant Activity, Medicinal Chemistry 2012; 8 (1) . https://dx.doi.org/10.2174/157340612799278270
DOI https://dx.doi.org/10.2174/157340612799278270 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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