Abstract
Propolis – in the form of alcoholic extract – is one of the most produced and commercialized bee products in the world due to its many pharmacological properties hence several chemical compositions which vary according to their producing regions, botanical source, type of bee, climate amongst other factors are there. In this manner, this study has the objective of finding a relation among the Brazilian commercial propolis extracts to each of their respective producing regions by applying a supervised classification method as the partial least squares discriminant analysis (PLS-DA). Thusly, it was possible to discriminate between the samples from the South and Southeast regions of the country with 100% accuracy in the prediction of new samples from both regions studied. In this sense, the proposed methodology can be used to perform a rapid distinction between geographical origins of the propolis extracts due to its fast capability to do so, as well as, its low cost, in order to attain a superior quality control of these products.
Keywords: Brazilian propolis, commercial extracts of propolis, partial least squares discriminant analysis, principal component analysis, quality control, UV-VIS spectroscopy.
Current Analytical Chemistry
Title:Discrimination Between Producing Regions of Brazilian Propolis by UV-VIS Spectroscopy and Partial Least Squares Discriminant Analysis
Volume: 10 Issue: 4
Author(s): Rosilene Silva Nascimento Paganotti, Jeob de Castro Rezende and Paulo Jorge Sanches Barbeira
Affiliation:
Keywords: Brazilian propolis, commercial extracts of propolis, partial least squares discriminant analysis, principal component analysis, quality control, UV-VIS spectroscopy.
Abstract: Propolis – in the form of alcoholic extract – is one of the most produced and commercialized bee products in the world due to its many pharmacological properties hence several chemical compositions which vary according to their producing regions, botanical source, type of bee, climate amongst other factors are there. In this manner, this study has the objective of finding a relation among the Brazilian commercial propolis extracts to each of their respective producing regions by applying a supervised classification method as the partial least squares discriminant analysis (PLS-DA). Thusly, it was possible to discriminate between the samples from the South and Southeast regions of the country with 100% accuracy in the prediction of new samples from both regions studied. In this sense, the proposed methodology can be used to perform a rapid distinction between geographical origins of the propolis extracts due to its fast capability to do so, as well as, its low cost, in order to attain a superior quality control of these products.
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Paganotti Silva Nascimento Rosilene, Rezende de Castro Jeob and Barbeira Jorge Sanches Paulo, Discrimination Between Producing Regions of Brazilian Propolis by UV-VIS Spectroscopy and Partial Least Squares Discriminant Analysis, Current Analytical Chemistry 2014; 10 (4) . https://dx.doi.org/10.2174/15734110113099990030
DOI https://dx.doi.org/10.2174/15734110113099990030 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
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