The indicator compounds in honeys from a number of floral origins were examined. The organic substances of beech honeydew, kamahi, ohutakawa, rata and tawari were all determined by GC-MS of methylated extracts. The results from the analysis confirm the results of investigations prior, and establish ranges for marker compounds. As a result of difficulties in acquiring sufficient  certified unifloral honeys studies that were conducted previously on these honey types were exploratory only and never published. Statistical analysis of the extractable organic substances showed that each honey contains a unique fingerprint of compounds. Using the agglomerative clustering approach was successful in separating all the honeys into there correct floral groups, with the exception of only two samples. Well divided clusters were produced in the score plot of the first and second Linear Discriminants. 4-Hydroxyphenylacetic acid, salicylic acid, indole-3-acetic acid and an unknown compound (identified by characteristic ions in the mass spectra) were established as being the most important discriminants, all of which were present in a single floral source.ānuka-Honey-2009.pdf



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