Journal
FOOD CHEMISTRY
Volume 194, Issue -, Pages 167-174Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.08.010
Keywords
Honey; Fingerprints; Electrochemical detection; Chemometrics; Floral origin
Funding
- National Natural Science Foundation of China [31272510]
- Science Foundation of Xi'an [NC1405(1)]
- China Agriculture Research System [CARS-45-KXJ10]
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A total of 77 jujube, longan and chaste honey samples were collected from 18 different areas of China. Thirteen types of phenolic acids in the honey samples were analysed using high-performance liquid chromatography with electrochemical detection (HPLC-ECD). Moreover, HPLC-ECD fingerprints of the monofloral honey samples were established. From the analysis of the HPLC-ECD fingerprints, common chromatography peak information was obtained, and principal component analysis and discriminant analysis were performed using selected common chromatography peak areas as variables. By comparing with phenolic acids as variables, using a chemometric analysis which is based on the use of common chromatography peaks as variables, 36 honey samples and 41 test samples could be correctly identified according to their floral origin. (C) 2015 Elsevier Ltd. All rights reserved.
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