Micro Thin-Layer Chromatography Fingerprints of Selected Basil Species and Their Chemometric Analysis

The dried aerial parts of 12 plants of Ocimum spp. were extracted with the Soxhlet apparatus using dichloromethane and methanol as solvents. A micro-TLC system with silica and a normal-phase solvent system (propan-2-ol-n-heptane-formic acid) was used for the chemometric analysis of 12 selected basil...

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Bibliographic Details
Published in:Journal of AOAC International 2017-07, Vol.100 (4), p.916-921
Main Authors: Hawrył, Mirosław A, Świeboda, Ryszard, Hawrył, Anna, Niemiec, Małgorzata, Waksmundzka-Hajnos, Monika
Format: Article
Language:English
Subjects:
Basils
Chemical properties
Chromatography, Thin Layer
Ocimum basilicum - chemistry
Phytochemicals - analysis
Plant Components, Aerial - chemistry
Plant products
Testing
Thin layer chromatography
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Summary:The dried aerial parts of 12 plants of Ocimum spp. were extracted with the Soxhlet apparatus using dichloromethane and methanol as solvents. A micro-TLC system with silica and a normal-phase solvent system (propan-2-ol-n-heptane-formic acid) was used for the chemometric analysis of 12 selected basil methanolic extracts. Some indices of similarity (Pearson's correlation coefficient, determination coefficient, congruence coefficient, and Euclidean, Manhattan (city-block), Chebyshev, and Hausdorff distances) were calculated on the basis of thin-layer chromatograms using ImageJ software. Principal component analysis was also performed. The method allowed the comparison of the analyzed extracts and confirmed the identities of two selected unknown plants.
ISSN:1060-3271
1944-7922
DOI:10.5740/jaoacint.17-0166