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Characterisation of Moroccan unifloral honeys using multivariate analysis

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Abstract

Physicochemical properties of 39 samples of Moroccan honeys were analysed; 30 parameters were measured, including water content, pH, acidity (free and lactonic), HMF, diastase activity, electrical conductivity, mineral and sugar content, and colour. In addition, the characterisation of the five unifloral honeys (Eucalyptus sp., Citrus sp., Lythrum sp., Umbelliferae and honeydew) by cluster (CA), principal component analysis (PCA), stepwise discriminant analysis (SDA) and multiLayer perceptrons (MLP) were carried out. The PCA showed that the cumulative variance was approximately 44% for the first 2 PCs. About 97% of the samples were correctly classified by using the SDA and MLP, the best results being obtained for the eucalyptus, citrus, Umbelliferae and honeydew honeys (100% correct).

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Authors and Affiliations

  1. Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Apdo. 1095, 41080, Sevilla, Spain

    Anass Terrab & Maria J. Díez

  2. Departamento de Química Analítica, Facultad de Química, Universidad de Sevilla, 41012, Sevilla, Spain

    A. Gustavo González

  3. Área de Nutrición y Bromatología. Facultad de Farmacia, Universidad de Sevilla, 41012, Sevilla, Spain

    Francisco J. Heredia

Authors
  1. Anass Terrab
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  2. A. Gustavo González
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  3. Maria J. Díez
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  4. Francisco J. Heredia
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Corresponding author

Correspondence to Francisco J. Heredia.

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Terrab, A., González, A.G., Díez, M.J. et al. Characterisation of Moroccan unifloral honeys using multivariate analysis. Eur Food Res Technol 218, 88–95 (2003). https://doi.org/10.1007/s00217-003-0797-x

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  • DOI: https://doi.org/10.1007/s00217-003-0797-x

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