O objetivo dessa pesquisa foi identificar os tipos polínicos e o teor de compostos fenólicos totais no mel e na própolis do Pantanal, Mato Grosso, Brasil. A pesquisa foi realizada nos municípios de Cáceres, Poconé e Nossa Senhora do Livramento, Mato Grosso. O mel e a própolis foram coletados entre 2011 e 2012 em apiários comerciais, um total de 11 amostras foram coletadas durante o estudo, compondo 6 amostras de mel (2 amostras em cada município) e 5 amostras de própolis coletadas no município de Cáceres. A origem botânica das amostras foi por meio da análise polínica das lâminas de mel e própolis. O teor de fenólicos totais foi pelo método de Folin-Ciocalteau e flavonoides por cloreto de alumínio. A análise polínica indicou que o mel do Pantanal produzido em Cáceres foi de Myracrodroun. urundeuva e o mel de Poconé e Nossa Senhora do Livramento foi de Mimosa pudica. A própolis do Pantanal não apresentou polens dominantes, os polens acessórios foram Mimosa pudica, Myracrodroun urundeuva e Cecropia sp. Os fenólicos totais no mel foi de 14 a 122,5 mg EAG/g e na própolis foi de 37,97 a 67,42 mg EAG/g. Os tipos polínicos Mimosa pudica, Myracrodroun urundeuva e Cecropia sp. foram recursos importantes para os produtos apícolas no Pantanal de Mato Grosso com teores de fenólicos expressivos.
The objective of this is report was to evaluate the physicochemical characteristics and the antibacterial activity of honey produced for human consumption in some counties in Amazon, Cerrado and Pantanal of Mato Grosso, Brazil. Honey samples were collected in 6 municipalities, totaling 18 samples, 3 samples per municipality. The physicochemical characteristics evaluated were moisture, reducing sugars, apparent sucrose, glucose and fructose by HPLC system, ashes, insoluble solids, free acidity, HMF, diastase activity, Lund, Fiehe and Lugol reactions, electrical conductivity and color. The content of total phenolic and flavonoids were quantified using standard curve of gallic acid and quercetin. The antibacterial activity of honey was evaluated by disk diffusion to five bacteria. Fifteen out of eighteen samples were reproved in some of the physicochemical characteristics. Honeys’ average content of total phenolic was 35.68 mg GAE/100 g of honey. The content of total phenolic and flavonoids showed positive correlation with the color of the honeys. The studied honeys did not present antibacterial activity, but the phenolic and flavonoid contents originate potential antioxidant and prebiotic for the darkest honeys. Mato Grosso has potential to the production of the floral honey, in need of adequacy on the quality of the honey to the physicochemical characteristic’s patterns.
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