publication . Conference object . 2012

Brazilian samples of bee samples pollen: palynological origin, phenolic content, antioxidant properties and antimicrobial activity

Arruda, Vanilda Aparecida Soares de; Santos, Alexandre V. dos; Figueiredo, Davi; Meira, Sampaio; Estevinho, Leticia M.; Barth, Ortrud M.; Freitas, Alex da Silva de; Almeida-Muradian, Ligia Bicudo;
Open Access English
  • Published: 01 Jan 2012
  • Country: Portugal
Total phenolic and flavonoids phytochemical concentration was measured in bee pollen samples, Appis Mellifera , as well as their botanical origin, antioxidant activity and antimicrobial activity. Pollen loads were washed with 70% ethanol and identified using a 400x magnification. The content of total polyphenols and flavonoids was measured spectrophotometrically with gallic acid and quercetin as standard. The antioxidant activity was evaluated by the linking capacity of (i)the free radical DPPH (2,2-Diphenyl-1-picrylhydrazyl), (ii)ORAC and (iii)system β-carotene/linoleic acid. The experiments were performed in triplicate and the results expressed as mean ± stand...
free text keywords: Bee pollen, Antioxidant activity, Antimicrobial activity, Appis Mellifera, Bee products
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