نتایج جستجو برای: ciocalteu
تعداد نتایج: 948 فیلتر نتایج به سال:
Folin-Ciocalteu Reaction Alternatives for Higher Polyphenol Quantitation in Colombian Passion Fruits
The Folin-Ciocalteu assay is a widely used method for measuring the total phenolic content (TPC) in honey, but it can be affected by presence of reducing sugars which lead to interference and an over-estimation its TPC. To optimize honey analysis, effect pH on was investigated. A number scenarios were tested using different concentrations Na2CO3 (0.00%, 0.75%, 0.94%, 7.50%) order minimize sugar...
The main objective of this study was the screening of some selected aromatic plants very popular in Greece, with respect to their total phenolic content, antioxidant capacity, reducing activity, and oxidative stability. All plants were extracted with the conventional method, reflux with methanol. The essential oils of the plants were also analyzed for their antioxidant properties. The total phe...
Several epidemiological studies have shown an inverse association between the consumption of polyphenol-rich foods and risk of cardiovascular diseases. However, accuracy and reliability of these studies may be increased using urinary total polyphenol excretion (TPE) as a biomarker for total polyphenol intake. Our aim was to assess if antioxidant activity, measured by a Folin-Ciocalteu assay in ...
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