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Nutrient composition, polyphenolic contents and free radica | 16155
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African Journal of Food Science and Technology

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Nutrient composition, polyphenolic contents and free radical scavenging activities of five honey samples from NRCRI, Umudike and different locations in South Eastern Nigeria

Abstract

Eleazu, C.O., Oti, E., Eleazu, K.C. and Obi, V.

The dry matter, minerals, crude protein, polyphenolic contents and free radical scavenging activities of honey from Umudike farms (Eastern and Western) and different locations in the South Eastern parts of Nigeria (Nsukka, Amoaba and Ahiaeke) were carried out. Results indicate that except the honey from Nsukka, all other samples had high dry matter contents indicating their moisture contents were low. In addition, all the samples contained significant quantities of minerals and the total amount of minerals that was observed in the honey from Western farm was higher than that of other samples while that of honey from Nsukka, was the least. All the samples contained low quantities of proteins, total flavonoids, flavonols and flavones, but significant quantities of phenols and possessed strong reducing power and inhibitory actions on DPPH (2,2diphenyl-1-picrylhydrazyl radical), indicating their antioxidant potentials. There was a positive correlation between percentage inhibition of DPPH free radical and flavonol (0.641), phenol (0.757) and reducing power (0.889) but negative correlation with flavonoids (-0.681) and flavones (-0.712). Results show that these varieties of honey possess considerable nutritive potentials and free radical scavenging activities. In addition, the study showed that lighter honeys may have higher quantities of minerals than darker honeys. Finally, the honey that was produced from Western farm was the best in terms of

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