PALYNOLOGICAL ORIGIN, PHENOLIC CONTENT AND ANTIOXIDANT PROPERTIES OF GEOPROPOLIS COLLECTED BY MANDAÇAIA (MELIPONA MANDACAIA) STINGLESS

Paulo Ricardo da Silva; Telma Maria Guedes da Silva; Celso Amorim Camara; Eva Monica Sarmento da Silva; Francisco de assis Ribeiro dos Santos; Tania Maria Sarmento da Silva

doi:10.1590/1983-21252020v33n126rc

Authors

Paulo Ricardo da Silva Phytochemical Bioprospecting Laboratory, Department of Chemistry, Universidade Federal Rural de Pernambuco, Recife, PE https://orcid.org/0000-0002-7231-4602
Telma Maria Guedes da Silva Phytochemical Bioprospecting Laboratory, Department of Chemistry, Universidade Federal Rural de Pernambuco, Recife, PE https://orcid.org/0000-0001-5778-0384
Celso Amorim Camara Phytochemical Bioprospecting Laboratory, Department of Chemistry, Universidade Federal Rural de Pernambuco, Recife, PE https://orcid.org/0000-0001-8748-8560
Eva Monica Sarmento da Silva Zootechnics Collegiate, Universidade Federal do Vale do São Francisco, Petrolina, PE https://orcid.org/0000-0002-0860-2925
Francisco de assis Ribeiro dos Santos Plant Micromorphology Laboratory, Department of Biological Sciences, Universidade Estadual de Feira de Santana, Feira de Santana, BA https://orcid.org/0000-0002-9246-3146
Tania Maria Sarmento da Silva Phytochemical Bioprospecting Laboratory, Department of Chemistry, Universidade Federal Rural de Pernambuco, Recife, PE http://orcid.org/0000-0003-1887-2598

DOI:

https://doi.org/10.1590/1983-21252020v33n126rc

Keywords:

Melipona mandacaia. Geopropolis. Phenolic. Antioxidant.

Abstract

The stingless bee Melipona mandacaia (Smith 1863) (mandaçaia) is found only in the region of Caatinga, Northeastern Brazil, in the states of Bahia and Pernambuco, near to São Francisco river. The aim of the present work was to determine the botanical origin and to evaluate the phenolic content and antioxidant properties (β-carotene/linoleic acid system, DPPH and ABTS scavenging) of mandaçaia geopropolis. 25 pollen types from 15 families were identified from the 9 geopropolis samples analyzed. Phenolic compounds content varied between all the geopropolis EtOH extracts, hexane, EtOAc and MeOH:H₂O fractions. The main pollens found in the geopropolis samples were from the Leguminoseae family. This identification of meliponicultural plants is extremely important because it indicates the food sources used for the collection of nectar and pollen. Our results revealed that there is a strong relation between the phenolic compounds and the antioxidant activity. These results showed that total phenols of mandaçaia geopropolis may be responsible for the antioxidant activity with evidence that it's a rich source of phenols bioactive compounds with potential health benefits.

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