Botanical sources and heavy metals contents of honey produced by Apis mellifera in an ecotone region of the state of Bahia, Brazil
2022
SILVEIRA-JÚNIOR,CRISTIANO EDUARDO A. | LOPES,BIANCA A. | SILVA,TÂNIA MARIA S. | GOMES,AYALA NARA P. | SILVA,GIRLIANE REGINA DA | ARRUDA,RAFAEL S. DE | MACIEL,EDSON A. | SANTOS,FRANCISCO A.R. DOS
Abstract The present study investigated by palynological and chemical analysis (Flame Atomic Absortion Spectrometry) about the botanical origin and the heavy metals content (arsenic, cadmium, chromium, lead and mercury) of monthly honey samples of Apis mellifera L. over two years. The pollen types Apiaceae, Mimosa caesalpiniifolia, M. tenuiflora and Myrcia indicated the main floristic sources used by bees. M. tenuiflora was the most frequent of the pollen types, and because it predominates in different months in each year, which may indicate more than one species of the genus being foraged by the beehive. The climatic influence (rainfall and temperature) on the pollen diversity was investigated and was not statistically supported. The chemical analysis showed that the heavy metal content of the samples were below their respective limits of quantification, and, therefore, the samples can be considered safe for human consumption.
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