期刊
FOOD CHEMISTRY
卷 408, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.135197
关键词
Honey; Plant-derived biomarkers; Metabolomics
In this study, the maturation patterns of Triadica cochinchinensis honey were investigated using targeted and untargeted metabolomics analyses. A characteristic compound, N1, N5, N10-(E)-tricoumaryl spermidine, derived from plants, was identified in the honey. Two patterns of honey maturation were observed, one involving a reduction in plant-derived compounds with strong reducing activity, and the other involving the formation of lactone glycoside analogs and organic acids facilitated by bee-secreted enzymes.
The maturation patterns of nectar into honey are not well understood. The current work selected Triadica cochinchinensis honey (TCH) at three maturity stages to systematically investigate the variation patterns in physicochemical parameters and metabolites. Based on both targeted and untargeted metabolomics analyses, the N1, N5, N10-(E)-tricoumaryl spermidine was identified as the plant-derived characteristic compound in TCH. A total of 26 compounds were quantified by UPLC-QTOF-MS using an external standard calibration method. Two patterns of the honey maturation process were identified based on the 723 metabolite signature transformations. The first was that the levels of plant-derived compounds with strong reducing activity were reduced, such as spermidine, flavonoids, and their derivatives. In contrast, the second pattern was that the maturation process of honey was accompanied by the formation of lactone glycoside analogs and organic acids, which may be facil-itated by the enzymatic transformation of enzymes secreted by the bees.
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