Abstract
Sidr honey represents one of the most expensive monofloral honeys worldwide. The quality control of such honey types usually depends on pollen analysis or comparison of physicochemical characters. In the presented work, 38 different honey samples of which 13 represented genuine Sidr (Ziziphus spina-christy) honey samples were collected from various areas of Yemen. All samples were characterized by physicochemical parameters including moisture content, pH, electrical conductivity, and free acidity. The physicochemical data was subjected to multivariate data analysis including principal component analysis (PCA) and hierarchical cluster analysis (HCA). The development of partial least square discriminant analysis (PLS-DA) model on validation gave 100 % correct classification of the test set samples. All tested honey samples were within the level permitted by the international standards for honey quality. The application of the discriminant technique PLS-DA presented excellent potential for discriminating the botanical origin of Yemeni Sidr honey from other non-Sidr samples and may serve as a discriminant model to be applied to other honey types worldwide.
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Abdul-Rahman A. Roshan declares that he has no conflict of interest. Haidy A. Gad declares that she has no conflict of interest. Sherweit H. El-Ahmady declares that she has no conflict of interest. Mohamed I. Abou-Shoer declares that he has no conflict of interest. Mohamed S. Khanbash declares that he has no conflict of interest. Mohamed M. Al-Azizi declares that he has no conflict of interest.
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Roshan, AR.A., Gad, H.A., El-Ahmady, S.H. et al. Characterization and Discrimination of the Floral Origin of Sidr Honey by Physicochemical Data Combined with Multivariate Analysis. Food Anal. Methods 10, 137–146 (2017). https://doi.org/10.1007/s12161-016-0563-x
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DOI: https://doi.org/10.1007/s12161-016-0563-x