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Title of Journal: Food Measure

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Abbravation: Journal of Food Measurement and Characterization

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Springer US

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DOI

10.1007/bf00682561

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ISSN

2193-4134

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Analysis of volatile compounds in New Zealand unif

Authors: Laura E Revell Bruce Morris Merilyn ManleyHarris
Publish Date: 2013/12/08
Volume: 8, Issue: 2, Pages: 81-91
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Abstract

New Zealand unifloral honeys have a higher commercial value than polyfloral honeys however identification of floral source can be difficult and timeconsuming In this study we aimed to establish a rapid and semiautomated method for identifying the floral source of New Zealand honeys Volatile compounds from ten types of New Zealand unifloral honeys a total of 234 samples were analyzed by solidphase microextraction SPME and gas chromatography coupled to mass spectrometry GC–MS For 37 compounds probability plots of log10GC–MS peak area versus cumulative probability enabled visual identification of those that could be possible markers used to discriminate floral source GC–MS peak areas were also analyzed by hierarchical cluster analysis and principal component analysis Results showed data falling into groups based on floral source indicating that supervised pattern recognition could be used to build a model with which to classify honeys based on floral source A model was built using WEKA Waikato Environment for Knowledge Analysis machinelearning software The logistic model tree algorithm in WEKA produced a model that classified 898  of samples correctly Overall results show that the methods employed here have the potential to be used as a basis for routine testing and classification of New Zealand unifloral honeys

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  11. Determination of biogenic amines in Persian Gulf fish: application of stirrer bead milling extraction method
  12. Effects of fermentation on antioxidant properties of flours of a normal endosperm and quality protein maize varrieties
  13. Concentrations and health hazards of polycyclic aromatic hydrocarbons in selected commercial brands of milk
  14. Physico-chemical, antioxidant and bioactive changes in cortex core sections of carrot ( Daucus carota var. Pusa rudhira)
  15. Analysis of volatile compounds in New Zealand unifloral honeys by SPME–GC–MS and chemometric-based classification of floral source
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