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Advisor(s)
Abstract(s)
Recent research shows variations in pollen chemical constituents and, consequently, in their
therapeutic properties. Mono and multifloral bee pollen extracts were investigated for antioxidant and
enzyme inhibitory activity properties, phenolic compounds and fatty acid composition. Generally,
Eucalyptus spp. and multifloral extracts exhibited potent inhibitory activity against -amylase,
acetylcholinesterase, tyrosinase, lipoxygenase, lipase and hyaluronidase. On the other hand,
Miconia spp. demonstrated higher antihemolytic activity. Cocos nucifera and Miconia spp. extracts
exhibited important antioxidant properties in the different assays (ABTS, DPPH, -carotene/linoleic
acid and reducing power). Moreover, these extracts had greater amounts of total phenols and
flavonoids in comparison to others. The increase in antioxidant activity (decrease in EC50 values)
was accompanied by an increase in the amount of total phenols in the extracts. The pollen extracts
contained linoleic acid and -linolenic acid as major fatty acids, followed by palmitic acid, and oleic
acid. In this study, differences were observed in both chemical constituents and biological activities
of the samples related to the geographical and botanical origin of bee pollen.
Description
Keywords
Antioxidant Enzyme inhibitory Fatty acid Phenolic content
Citation
Araújo, Jucilene; Chambó, Emerson Dechechi; Costa, Maria Angélica Pereira de Carvalho; Silva, Samira Maria Peixoto Cavalcante; Lopes de Carvalho, Carlos Alfredo; Estevinho, Letícia M. (2017). Chemical composition and biological activities of mono- and heterofloral bee pollen of different geographical origins. International Journal of Molecular Sciences. ISSN 1661-6596. 18:5, p. 1-15
Publisher
MDPI