Correlation between Polyphenolic Profile and Antioxidant Activity of Propolis from Transylvania
Keywords:DPPH assay, FRAP assay, polyphenols, propolis
Propolis samples used for the present study were collected in Transylvania. Our study had the purpose to investigate the amount of total polyphenols and the correlation that it may exist between the mentioned class of compounds and antioxidant properties. Polyphenolic profile was determined using Folin-Ciocalteu colorimetric method, while antioxidant activity was investigated by means of free radical scavenging activity (DPPH assay) and ferric reducing antioxidant power (FRAP assay). The content in polyphenols for analyzed propolis samples ranged between 24.46 and 62.39 g standard mixture/ 100 g propolis. All propolis samples showed antioxidant activity. The correlation between polyphenolic profile of propolis and its antioxidant properties was found to be positive.
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