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Articles by F.Y. Oladipo
Total Records ( 1 ) for F.Y. Oladipo
  F.Y. Oladipo and L.M. Nwokocha
  The aim of this study is to isolate gum from Corchorus olitorius and Sida acuta leaves and characterize it. The interaction of the isolated gums with maize and sorghum starches was also determined. Gum was isolated from the leaves of Corchorus olitorius and Sida acuta with excess isopropanol. Proximate analysis and physicochemical characteristics of the gums with maize and sorghum starches were determined. The yields of the gums were 8.234±0.82% and 27.149±0.44 for Sida acuta and Corchorus olitorius, respectively. Three different concentrations of the gum were used to study the effect of the gums on paste characteristics of maize and sorghum starches using Rapid Visco Analyzer (RVA). In the paste viscosity analysis, the final viscosities of the two starches were higher at the lowest concentration (0.1%) of the gums while setback and viscosity breakdown was lowered at the three concentrations. Concentration of the starches was varied for the determination of paste clarity at a constant gum concentration (0.2%) by measuring the percentage light transmitted at a wavelength of 660 nm. The gums decreased the clarity of the starches at all the concentrations. Addition of Sida acuta and Corchorus olitorius gums also increased the percentage syneresis of the starches. Emulsification stability analysis performed at different time intervals showed that there was almost a complete miscibility of the starches with the oil when gum was added.
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