Pollen analysis is widely used to verify the geographic origin of honeys, but has never been employed in Australia. In this study, we analysed the pollen content of 173 unblended honey samples sourced from most of the commercial honey producing regions in southern Australia. Southern Australian vegetation is dominated by Eucalyptus (Myrtaceae) forests and, as expected, most Australian honeys are palynologically dominated by Eucalyptus, while other important components include Myrtaceae taxa such as Corymbia/Angophora and the tribe Leptospermeae; plus Brassicaceae, Echium, Macadamia, and Acacia. An important feature of the honeys is the number of Myrtaceae pollen morphotypes per sample, which is generally high (mean = 4.6) compared to honeys produced outside of Australia, including Eucalyptus honeys produced in the Mediterranean region, and honeys produced in South America, which has its own rich indigenous Myrtaceae flora. In the latter regions, the number of Myrtaceae morphotypes is apparently generally ≤2. A high number of Myrtaceae morphotypes may be a feasible criterion for authenticating the origin of Australian honeys, since most Australian honey is produced by honey bees mainly working indigenous floral resources. Myrtaceae morphotype diversity is a convenient melissopalynological measure that could be applied even where detailed knowledge of the pollen morphology of the many component genera and species is absent. Palynological criteria developed in Europe for authenticating Eucalyptus honeys should not be relied upon for Australian honeys, since those criteria are not based on samples of Australian honey.

/pdf/pollen-analysis-of-australian-honey-3lgtja1sm0.pdf

Pollen analysis of Australian honey.

We analysed scientific production related to melissopalynology in Brazil and surveyed the pollen types described in publications, producing a melissopalynological database. We inventoried a...

Melissopalynology in Brazil: a map of pollen types and published productions between 2005 and 2017

Twenty honey samples of Apis mellifera were collected during the main flowering period (July–October) between 2003 and 2018. Six apiaries in Mato Grosso (MT) state and three apiaries in Mato Grosso...

Botanical and geographical origins of honey samples from Pantanal (Mato Grosso and Mato Grosso do Sul states, Brazil) certificated by melissopalynology

Revista de Biologia e Ciências da Terra

We analyzed the pollen spectra from 130 geopropolis samples collected by Melipona subnitida, M. seminigra, M. flavolineata, and M. fasciculata. The samples were collected in the municipality of San...

Palynology as a tool for distinguishing geopropolis samples from stingless bee species in the Maranhense Amazon, Brazil

The pollen contents of 34 Apis mellifera honey samples from the Quilombola Community of Porto Velho (Vale do Ribeira, state of Sao Paulo, Brazil) were studied in order to identify their botanical and geographical origin. A total number of 114 pollen types distributed in 43 families were identified. Fabaceae pollen types were the most diverse (20). Dominant pollen was observed in 27 samples. The dominant type Piper was found in 21 samples and Zanthoxylum, Mikania cordifolia, Cupania oblongifolia, Cecropia, Attalea and Poaceae only in one sample. The quantitative analysis revealed a predominance of very-high pollen concentrations in the samples (Category IV, 35.3%). A second frequency of occurrence analysis revealed 67 pollen types from 26 botanical families from nectariferous species. Fabaceae was also the family with the largest number of nectariferous pollen types (15), followed by Sapindaceae, Asteraceae (six pollen types each), and Euphorbiaceae (five types). Dominant pollen occurred in 19 samp...

Pollen analysis of Atlantic forest honey from the Vale do Ribeira Region, state of São Paulo, Brazil

Family beekeeping (small-scale beekeeping) is an essential activity for economic and ecological farming systems (with its contribution to pollination), which aims to bring social inclusion, fixed income, and sustainable ecological bases. This study aimed to identify the current profile of honey production in five quilombolas communities in the Sao Paulo Ribeira Valley (Cangume, Piloes, Piririca, Porto Velho, and Ribeirao Grande/Terra Seca), with reference to the social and environmental aspects as well as beekeeping practices. The results suggest that the social aspects of family beekeeping can be considered a second income. In these communities, however, sanitation problems, including lack of potable water resources and mining contamination, differ between communities. With the study of georeferencing, we were able to establish local environmental conditions, which served as the basis for the floristic inventory of 85 plant species distributed in 32 botanical families. The analyses of air temperature and relative humidity and honey humidity indicated that the honey was influenced by climatic conditions and the processes adopted, since the measures of pH and EC suggest a correlation with the botanical origin of honeys. Professional training in maroon communities allowed an awareness of the quality and composition of honey.

/pdf/quilombolas-a-producao-de-mel-na-apicultura-familiar-do-vale-2lt4w0wlb3.pdf

Quilombolas: a produção de mel na apicultura familiar do Vale do Ribeira, São Paulo

Family beekeeping is expanding in several Brazilian States; however, it is an agrarian activity that requires training, technology management and government support. In order to ensure quality control and safety of bee products, the study sought to assess the impact of environmental conditions of Vale do Ribeira on the beekeeping and honey production from five quilombola communities with respect to honey moisture content, relative air humidity and air temperature, as well as their botanical origin. The results led to the identification of the floral origin of honey as Wildflower from the Atlantic Forest, which use of native bee flora was recommended to beekeepers within the international standards of sustainable development. The physical-chemical results provided subsidies for good practices in family beekeeping and strategy development to improve the process to obtain a honey with a longer shelf life, which brought benefits to the best final quality of the product, suitable for consumption.

/pdf/estudo-do-impacto-do-conteudo-de-umidade-no-mel-proveniente-2flnk7avia.pdf

Estudo do impacto do conteúdo de umidade no mel proveniente da apicultura familiar em Mata Atlântica do Vale do Ribeira, São Paulo

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Pollen analysis of Atlantic forest honey from the Vale do Ribeira Region, state of São Paulo, Brazil

Quilombolas: a produção de mel na apicultura familiar do Vale do Ribeira, São Paulo

Estudo do impacto do conteúdo de umidade no mel proveniente da apicultura familiar em Mata Atlântica do Vale do Ribeira, São Paulo