Composition of Honeys Collected from Eastern and South-Eastern Anatolia and Effect of Storage on Hydroxymethylfurfural Content and Diastase Activity

Authors : Hayrullah YILMAZ

Pages : 347-349

View : 15 | Download : 10

Publication Date : 2001-10-01

Article Type : Research Paper

Abstract :The chemical composition of honeys produced in Eastern and South-Eastern Anatolia insert ignore into journalissuearticles values(Turkey); was studied. For this aim, the composition of 45 honey samples collected from the mentioned regions and the effect of one year storage insert ignore into journalissuearticles values(20 ± 5ºC); on the diastase activity and hydroxymethylfurfural insert ignore into journalissuearticles values(HMF); content were determined. Compositional data measured in the fresh honeys were HMF, diastase number, moisture, invert sugar, sucrose, ash, proline, pH, free acid and lactone. Average values were as follows: HMF 3.3 mg kg-1, diastase number 14.6, moisture 16.0%, invert sugar 70.3%, sucrose 1.8%, ash 0.1%, proline 53.0 mg/100g; pH 3.8, free acid 22.3 meq kg-1 and lactone 7.4 meq kg-1. The changes in HMF content and diastase number of the samples after one year storage insert ignore into journalissuearticles values(20 ± 5ºC); were also investigated. The average HMF content insert ignore into journalissuearticles values(mg kg-1); increased from 3.3 to 19.1, and the average diastase number decreased from 14.6 to 10.7 following one year storage. The results indicate that storage has a significant role in the increase HMF contents and the decrease in diastase numbers, and changes in these two parameters were statistically significant insert ignore into journalissuearticles values(P< 0.001);.
Keywords : honey, composition, storage, HMF, diastase number