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Analytical, Nutritional and Clinical Methods Evaluation of the phenolic content, antioxidant activity and colour of Slovenian honey
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The results of the study showed that total phenolic content, antioxidant activity, and color parameters differ widely among different honey types as discussed by the authors, and the relationship between the parameters analysed were found to be statistically significant (p < 0.05).Abstract:
Honey samples from the seven most common honey types in Slovenia were screened for total phenolic content by the modified Folin– Ciocalteu method, for potential antioxidant activity using the ferric reducing antioxidant power (FRAP) assay and by the 1,1-diphenyl-2picrylhydrazyl (DPPH) method for antiradical activity. In addition the colour characteristics of honey samples were analysed. The results of the study showed that total phenolic content, antioxidant activity and colour parameters differ widely among different honey types. Phenolic content expressed as gallic acid equivalent ranged from 44.8 mg/kg in acacia honey to 241.4 mg/kg in fir honey. Antioxidant activity was the lowest in the brightest acacia and lime honeys and the highest in darker honeys, namely fir, spruce and forest. The colour of the Slovenian honeys, analysed in this study was very variable and ranged from pale yellow to dark brown. Correlations between the parameters analysed were found to be statistically significant (p < 0.05). 2007 Elsevier Ltd. All rights reserved.read more
Citations
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References
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Use of a Free Radical Method to Evaluate Antioxidant Activity
TL;DR: The antiradical properties of various antioxidants were determined using the free radical 2,2-Diphenyl-1-picrylhydrazyl (DPPH*) in its radical form as discussed by the authors.
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The ferric reducing ability of plasma (FRAP) as a measure of 'antioxidant power' : the FRAP assay
TL;DR: The FRAP assay offers a putative index of antioxidant, or reducing, potential of biological fluids within the technological reach of every laboratory and researcher interested in oxidative stress and its effects.
Journal Article
The use of the stable free radical diphenylpicrylhydrazyl (dpph) for estimating antioxidant activity
TL;DR: The use of the stable free radical diphenylpicrylhydrazyl (DPPH) for estimating antioxidant activity and its application in antioxidant research is described.
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Determination of the total phenolic, flavonoid and proline contents in Burkina Fasan honey, as well as their radical scavenging activity.
TL;DR: In this paper, several honey samples (27) from Burkina Faso were analyzed to determine their total phenolic, flavonoid and proline contents as well as their radical scavenging activity.
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Assessing antioxidant and prooxidant activities of phenolic compounds.
Lana Fukumoto,G. Mazza +1 more
TL;DR: The antioxidant activity of many phenolic compounds and extracts was comparable to those of synthetic antioxidants using the beta-carotene bleaching and HPLC methods.