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Advisor(s)
Abstract(s)
Bee pollen is considered, since memorable times, a good source of nourishing substances and energy. The
present study aimed to evaluate the biological activities of eight commercial bee pollens purchased from
the market. The origin of sample A was not specified in the labeling; samples B, C, D and G were from
Portugal and the remaining were from Spain. The sample E presented the highest value of phenolics
(32.15 ± 2.12 mg/g) and the H the lowest (18.55 ± 095 mg/g). Sample C had the highest value of
flavonoids (10.14 ± 1.57 mg/g) and sample H the lowest (3.92 ± 0.68 mg/g). All the samples exhibited
antimicrobial activity, being Staphylococcus aureus the most sensitive and Candida glabrata the most
resistant of the microorganisms studied. All the samples exhibited antimutagenic activity, even though
some samples were more effective in decreasing the number of gene conversion colonies and mutant
colonies. Regarding the antioxidant activity, assessed using two methods, the more effective was sample
B. The anti-inflammatory activity, assessed using the hyaluronidase enzyme, was highest in samples B
and D. Pearson’s correlation coefficients between polyphenols, flavonoids, antioxidant activity and
antimicrobial activity were computed. It was also performed a discriminant analysis.
Description
Keywords
Antimicrobial activity Antioxidant activity Antimutagenicity Bee pollen Bioactive compounds Inflammation
Citation
Pascoal, Ananias; Rodrigues, Sandra; Teixeira, Alfredo; Feás, Xesus; Estevinho, Leticia M. (2014). Biological activities of commercial bee pollens: Antimicrobial, antimutagenic, antioxidant and anti-inflammatory. Food and Chemical Toxicology. ISSN 0278-6915. 63, p. 233-239
Publisher
Elsevier