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Application of a statistical approach to the classification of honey by geographic origin

✍ Scribed by Susana Sanz; Consuelo Perez; Antonio Herrera; Mercedes Sanz; Teresa Juan

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
415 KB
Volume
69
Category
Article
ISSN
0022-5142

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Forty eight honeys from the La Rioja region of Spain were analysed to establish their quality. Fourteen legally required parameters of quality control were measured. Samples were obtained from two geographic areas of production: Valley and Sierra. These areas present different agroclimatic conditions and, thus, different flora. Classification of these honeys according to their geographic origin was achieved by applying multivariate statistical analysis to the chemical and physical data. Acidity (free acidity and pH), mineral content (electrical conductivity and ash) and factors related to degree of freshness (hydroxymethylfurfural and diastatic activity), were found to be the most important features for classification. Determination of the geographic origin of a La Rioja honey (Valley or Sierra) was possible with 83% accuracy using only these legally required quality control parameters; pollen studies were not necessary to achieve this objective.

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