Quality Criteria for Propolis Standardization
Keywords:
antioxidant activity, DPPH, flavonoids, quality standard of propolis, phenolic compounds, propolisAbstract
Propolis is a natural resine produced by honeybees with high biological value for human kind. Although propolis is intensively used in medicine, cosmetics and lately in food industry also, there is no quality standard (Romanian or European) for this specific beeproduct. This article presents the quality criteria for Romanian raw propolis (56 samples) as a collection of data obtained along the years through extensive qualitative and quantitative analysis. Data obtained for extraction yield (59%±8%), wax content (35%±8%), total flavonoids (9£±3%) and total phenolics (28%±7%), antioxidant activity against DPPH are presented.
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