Comparison of Some Physicochemical Properties of Locust Bean Seeds Gum Extracted by Acid and Water Pre-TreatmentsReport as inadecuate




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In this research, locust bean gums were removed from seeds with different extraction methods and some physicochemical properties were analyzed for gums and also locust beans. Three different extractions were treated at different temperatures and durations of sulfuric acid H2SO4, 60% solution, hydrochloric acid HCl, 30% solution and boiling water. Following dehulling and drying processes, seeds were milled and locust bean gums LBG were obtained eventually. The color values, moisture, protein, ash, sugar, pH, total acidity, soluble solids content, foreign particulates, acid insoluble ash contents and viscosity curves were compared for all samples. The results exhibited that the highest ash 1.94% and protein 6.65% contents were determined by water extraction gum, the highest acid-insoluble ash 3.58% and foreign particulates 44.17% contents were determined by HCl extraction gum. The lowest protein 5.01%, acid insoluble ash 1.29%, the foreign particulates 34.99% and the highest viscosity value 533.9 mPas were found from H2SO4 extraction gum. The results of investigation also showed that the H2SO4 extraction method was found to be more appropriate than HCl and water extraction methods to obtain a good quality gum.

KEYWORDS

Extraction Methods, Gum, Locust Bean, Physicochemical Properties, Viscosity

Cite this paper

Kıvrak, N. , Aşkın, B. and Küçüköner, E. 2015 Comparison of Some Physicochemical Properties of Locust Bean Seeds Gum Extracted by Acid and Water Pre-Treatments. Food and Nutrition Sciences, 6, 278-286. doi: 10.4236-fns.2015.62028.





Author: Neslihan Eda Kıvrak1, Buket Aşkın2, Erdoğan Küçüköner1*

Source: http://www.scirp.org/



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