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Cobiss

Journal of the Serbian Chemical Society 2022 Volume 87, Issue 9, Pages: 983-995
https://doi.org/10.2298/JSC211214033B
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Melissopalynology analysis, determination of physicochemical parameters, sugars and phenolics in Maltese honey collected in different seasons

Bugeja Douglas Adrian ORCID iD icon (Division of Rural Sciences and Food Systems, Institute of Earth Systems, University of Malta, Msida, Malta)
Nešović Milica (Institute of General and Physical Chemistry, Belgrade, Serbia)
Šikoparija Branko ORCID iD icon (BioSense Institute - Research Institute for Information Technologies in Biosystems, University of Novi Sad, Novi Sad, Serbia)
Radišić Predrag ORCID iD icon (BioSense Institute - Research Institute for Information Technologies in Biosystems, University of Novi Sad, Novi Sad, Serbia)
Tosti Tomislav ORCID iD icon (University of Belgrade, Faculty of Chemistry, Belgrade, Serbia)
Trifković Jelena ORCID iD icon (University of Belgrade, Faculty of Chemistry, Belgrade, Serbia)
Russi Luigi (Department of Agricultural Sciences, Food and Environment, University of Perugia, Perugia, Italy)
Attard Everaldo ORCID iD icon (Division of Rural Sciences and Food Systems, Institute of Earth Systems, University of Malta, Msida, Malta)
Tešić Živoslav ORCID iD icon (University of Belgrade, Faculty of Chemistry, Belgrade, Serbia), [email protected]
Gašić Uroš ORCID iD icon (Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia), [email protected]

Malta, a country renowned for its honey, has not been extensively mentioned in studies based on honey. In addition to many parameters, the collection period affects honey quality, precisely due to the different floral composition that exists during a certain season. Therefore, the significance of this study refers to the provision of data on honey from Malta collected during the autumn, spring, and summer seasons. Melissopalynological analysis, determination of physicochemical parameters, and the use of analytical chromatographic methods enabled detailed analysis of this honey. Principal component analysis (PCA) provided the differentiation of Maltese honey depending on the harvest season. Lotus pollen, followed by Eucalyptus, predominated in all honey samples. Characteristic compounds for summer honey were pinocembrin, galangin, kaempferol, chrysin, p-hydroxybenzoic acid, vanillic acid and maltotriose, while quercetin 3-O-galactoside, ferulic acid, ellagic acid, protocatechuic acid, luteolin 7-O-glucoside and melibiose were specific for autumn honey. A higher amount of p-coumaric acid, genistein, catechin, as well as the content of many sugars were found in spring samples. To the best of our knowledge, this is the first scientific work dealing with a detailed chemical analysis of Maltese honey

Keywords: melissopalynology, physicochemical parameters, chromatography, PCA, Eucalyptus, Lotus

Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 451-03-68/2022-14/200007, Grant no. 451-03-68/2022-14/200051, Grant no. 451-03-68/2022-14/200358, and Grant no. 451-03-68/2022-14/200168


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