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Provedor de dados:  Scientia Agricola
País:  Brazil
Título:  Botanical source investigation and evaluation of the effect of seasonality on Brazilian propolis from Apis mellifera L.
Autores:  Tomazzoli,Maíra Maciel
Zeggio,Amélia Regina Somensi
Pai Neto,Remi Dal
Specht,Leandro
Costa,Christopher
Rocha,Miguel
Yunes,Rosendo Augusto
Maraschin,Marcelo
Data:  2020-01-01
Ano:  2020
Palavras-chave:  Baccharis dracunculifolia
Honeybees
Phenolics
Seasons
Resumo:  ABSTRACT: Bees generally use different botanical sources of resins for the production of propolis. The elucidation of botanical sources of propolis and identification of the effects of seasonality on the chemical profile of propolis are recognized as two important aspects in the development of a high quality product. Thus, our objective was to elucidate the botanical source and identify the effect of the seasons on the chemical profile of propolis produced in southern Brazil. The chemical profile of the samples was analysed by spectrophotometric and chromatographic techniques and the results were coupled to multivariate analysis. Field observation of the foraging behaviour of Apis mellifera L. revealed its preference for the Baccharis dracunculifolia DC. species. p-Coumaric acid, 3, 4-dicaffeoylquinic acid, 3, 5-dicaffeoylquinic acid, drupanin, and artepillin C which were identified in both plant and propolis samples. Moreover, higher artepillin C amounts have been detected in samples collected in the summer and autumn, while the main compounds of p-coumaric acid and quercetin were available in spring and winter sampled propolis, respectively. Baccharis dracunculifolia has been identified as a plant species preferred by A. mellifera in foraging resin for the production of propolis in southern Brazil. The contents of balsam, total phenolic compounds, and flavonoids varied significantly over the seasons, with values above the minimum required by the legislation, thus assuring a quality pattern for this biomass.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000601301
Editor:  São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Relação:  10.1590/1678-992x-2018-0258
Formato:  text/html
Fonte:  Scientia Agricola v.77 n.6 2020
Direitos:  info:eu-repo/semantics/openAccess
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