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Brazilian bee pollen: phenolic content, antioxidant properties and antimicrobial activity
Journal of Apicultural Research ( IF 1.4 ) Pub Date : 2020-11-18 , DOI: 10.1080/00218839.2020.1840854
Vanilda Aparecida Soares de Arruda 1 , Alexandre Vieria dos Santos 1 , Davi Figueiredo Sampaio 1 , Elias da Silva Araújo 1 , André Luís de Castro Peixoto 2 , Leticia M. Estevinho 3, 4 , Ligia Bicudo de Almeida-Muradian 1
Affiliation  

Bee pollen has been promoted as a dietary supplement for humans due to its nutritional and bioactive properties. Sixty-two samples of Apis mellifera dehydrated bee pollen collected in Brazil (eight states and Federal District) were analyzed for phenolic compounds, flavonoids, antioxidant activity using DPPH, β-carotene and ORAC methods, and antimicrobial activity. The values obtained for total phenolic compounds ranged from 12.60 to 84.22 mg GAE/g bee pollen while total flavonoids oscillated between 1.90 and 36.85 mg quercetin/g bee pollen. The IC50 ranged from 0.35 to 13.42 mg bee pollen/mL of extract. The inhibition percentages ranged from 52.58 to 98.37% of bee pollen extract using the β-carotene method. When measured by the ORAC method, antioxidant activity was between 132.98 and 575.85 μmols eq. Trolox/g bee pollen. Bee pollen efficiently inhibited the growth of all the microorganisms studied. Candida albicans was the most resistant, while Staphylococcus epidermides was the most sensitive.



中文翻译:

巴西蜂花粉:酚类成分、抗氧化特性和抗菌活性

由于其营养和生物活性特性,蜂花粉已被推广为人类的膳食补充剂。在巴西(八个州和联邦区)收集的62 份蜜蜂脱水蜂花粉样品分析了酚类化合物、黄酮类化合物、使用 DPPH、β-胡萝卜素和 ORAC 方法的抗氧化活性以及抗菌活性。获得的总酚类化合物值范围为 12.60 至 84.22 毫克 GAE/g 蜂花粉,而总黄酮类化合物在 1.90 至 36.85 毫克槲皮素/g 蜂花粉之间波动。IC 50范围为 0.35 至 13.42 mg 蜂花粉/mL 提取物。β-胡萝卜素法对蜂花粉提取物的抑制率为52.58%~98.37%。当通过 ORAC 方法测量时,抗氧化活性在 132.98 和 575.85 μmols eq 之间。Trolox/g 蜂花粉。蜂花粉有效地抑制了所有研究的微生物的生长。白色念珠菌耐药性最强,表皮葡萄球菌最敏感。

更新日期:2020-11-18
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