Polyphenolic profile and antioxidant and antibacterial activities of monofloral honeys produced by Meliponini in the Brazilian semiarid region

Janaína Maria Sousa, Evandro Leite de Souza, Gilmardes Marques, Bruno Meireles, Ângela Tribuzy de Magalhães Cordeiro, Beatriz Gullón, Maria Manuela Pintado, Marciane Magnani*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)

Abstract

This study assessed the polyphenolic profile and the antioxidant and antibacterial activities of monofloral honeys produced by Meliponini in the Brazilian semiarid region. Honeys from Ziziphus joazeiro Mart. (juazeiro) and Croton heliotropiifolius Kunth (velame branco) showed the highest total phenolic contents (TPCs) and the greatest antioxidant activity in assays with DPPH and ABTS+ radicals. Honeys from Mimosa quadrivalvis L. (malícia) presented the strongest anti-peroxyl activity in ORAC assay. Juazeiro honeys showed the highest quantities of trans-cinnamic, p-coumaric, ellagic and ferulic acids, as well as of catechin, rutin, hesperetin and chrysin when compared to the other honeys produced by the same bee species. Malícia honeys showed the greatest quantities of myricetin, quercetin and kaempferol among the studied honeys. Honeys with the highest TPCs presented the highest antimicrobial activity. The results showed the impact of the floral source on the polyphenolic profile as well as on the antioxidant and antimicrobial properties of Meliponini honeys.
Original languageEnglish
Pages (from-to)61-68
Number of pages8
JournalFood Research International
Volume84
DOIs
Publication statusPublished - 1 Jun 2016

Keywords

  • Antimicrobial effect
  • Honey
  • Meliponini
  • Radical scavenger

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