Journal
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
Volume -, Issue -, Pages -Publisher
SERBIAN CHEMICAL SOC
DOI: 10.2298/JSC211214033B
Keywords
melissopalynology; physicochemical parameters; chromatography; PCA; Eucalyptus; Lotus
Categories
Funding
- Ministry of Education, Science and Technological Development of the Republic of Serbia [451-0368/2022-14/200007, 451-03-68/2022-14/200051, 451-03-68/2022-14/200358, 451-0368/2022-14/200168]
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This study analyzed honey from Malta collected during different seasons, providing data on its chemical composition and characteristics. The research found that honey from different seasons had distinct chemical profiles and specific compounds.
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.
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