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Antioxidant Vitamins in Honey Samples from Different Floral Origins and Altitudes in Asir Region at the South-Western Part of Saudi Arabia

[ Vol. 15 , Issue. 3 ]

Author(s):

Amal Al-Mosa, Eid I. Brima, Khaled F. Fawy, Hamed A. AL Ghrama and Mohammed E.A. Mohammed*   Pages 296 - 304 ( 9 )

Abstract:


Background: Different factors are known to affect the different physiochemical properties of bee's honey including the floral origin and climate.

Objective: The aim of this article was to investigate the effect of floral origin and altitude on the concentration of vitamin C and A.

Methods: Ten Ziziphus honey samples were collected from two altitudes; 113 and 511 meters. Twenty-five Acacia honey samples were included in this study from five altitudes; 14, 113, 317, 576 and 2247 meters above sea level. Vitamin C was measured by redox titration and vitamin A was estimated using the Carr-price reaction and spectrophotometer.

Results: The mean± SD of vitamin C in the Ziziphus and Acacia honey samples were 239.2± 91.5 and 260.4± 81.1 mg\100g, respectively. Vitamin A mean value± SD in the Ziziphus and Acacia honey were 0.088± 0.126 and 0.062± 0.126 mg\ 100g, respectively. Concerning the effect of altitude, there was significant increase in vitamin C concentration in ziziphus honey with the increase of the altitude (p- value= 0.027), while an insignificant decrease was obtained in the case of vitamin A. Regarding the effect of altitude on the concentration of vitamin C in the Acacia honey, there was significant increase in the honey from the altitude of 2247 compared to the honey from all the other altitudes. Vitamin A concentration in the Acacia honey from the altitude 2247 was insignificantly decreased compared to the honey from all the other altitudes (p- value > 0.05).

Conclusion: The floral origin insignificantly affected the concentration of vitamin C and A. The altitude significantly affected the concentration of vitamin C irrespective of the floral origin.

Keywords:

Acacia, altitude, ascorbic acid, honey, retinol, Ziziphus.

Affiliation:

Department of Chemistry, Faculty of Science, King Khalid University, Department of Chemistry, Faculty of Science, King Khalid University, Department of Chemistry, Faculty of Science, King Khalid University, Department of Biology, Faculty of Science, King Khalid University, Abha, Department of Chemistry, Faculty of Science, King Khalid University

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