Physicochemical composition and antioxidant potential of bee pollen from different botanical sources in Alagoas, Brazil

  • Vasconcelos M
  • Duarte A
  • Gomes E
  • et al.
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Abstract

ABSTRACT Bee pollen results from the mixture of pollen and floral nectar with the salivary substances of bees and has increasingly been used as a food with therapeutic properties. In this study, 30 samples of bee pollen from Apis mellifera apiaries in three mesoregions of Alagoas (Brazil) - Mata Atlântica, South Coast and Caatinga, were collected during the dry season of 2008/09 and analysed. Mata Atlântica and Caatinga had good production of bee pollen. In the same season, Mata Atlântica contained a higher diversity of pollen types for feeding bees with a predominance of herbaceous pollen (63%), whereas the Caatinga samples contained monofloral pollen. Physicochemical data were analysed with the nonparametric Kruskal-Wallis statistical test. The Caatinga samples were analysed to determine their contents of total phenolic compounds (25.85 ± 10.80 mg gallic acid eq/g) and flavonoids (45.62 ± 32.19 mg quercetin eq/g) and their antioxidant activity (for instance, 70.62 ± 4.50% in the DPPH test), which were possibly affected by the environmental conditions of this biome.RESUMO O pólen apícola resulta da mistura de pólen e néctar floral com substâncias salivares da abelha, e emerge como um alimento com propriedades terapêuticas. Neste trabalho foram analisadas 30 amostras desse material de apiários (Apis mellifera), coletadas durante a estação seca de 2008/09 em três mesorregiões de Alagoas - Mata Atlântica, Costa Sul e Caatinga. A Mata Atlântica e a Caatinga foram regiões boas produtoras de pólen apícola. Na mesma época, a Mata Atlântica apresentou a maior diversidade de tipos de pólen para alimentar abelhas, com predominância de herbáceas (63%), enquanto as amostras de Caatinga foram monoflorais. Os dados físico-químicos foram analisados pelo teste estatístico não paramétrico de Kruskal-Wallis. As amostras da Caatinga se destacaram quanto ao teor de fenóis (25,85 ± 10,80 eq. mg Ácido Gálico/g), flavonoides totais (45,62 ± 32,19 eq. mg Quercetin/g), e atividade antioxidante (através do teste do DPPH, por exemplo, 70,62 ± 4,50%), provavelmente devido à condição ambiental deste bioma.

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APA

Vasconcelos, M. R. dos S., Duarte, A. W. F., Gomes, E. P., Silva, S. C. da, & López, A. M. Q. (2017). Physicochemical composition and antioxidant potential of bee pollen from different botanical sources in Alagoas, Brazil. Ciência e Agrotecnologia, 41(4), 447–458. https://doi.org/10.1590/1413-70542017414009317

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