Effect of 4 independent variables — temperature (50–90°C), particle size (0.42–0.85 mm), mixing time
(10–50 min) and solvent (ethanol) to meal ratio (10–50) on curcumin yield from turmeric (Curcuma longa L)
was studied using central composite rotatable design. The experimental value of curcumin yield ranged between
4.49 and 12.89%. The maximum curcumin yield was obtained when temperature, particle size, mixing time and
solvent to meal ratio were 60°C, 0.42 mm, 30 min and 50, respectively. (Sogi et al., 2009)
In our experiment all the values of curcumin found were of crude content, so further purification is necessary in
order to determine the exact value of curcumin determined.
Effect of 4 independent variables — temperature (50–90°C), particle size (0.42–0.85 mm), mixing time(10–50 min) and solvent (ethanol) to meal ratio (10–50) on curcumin yield from turmeric (Curcuma longa L)was studied using central composite rotatable design. The experimental value of curcumin yield ranged between4.49 and 12.89%. The maximum curcumin yield was obtained when temperature, particle size, mixing time andsolvent to meal ratio were 60°C, 0.42 mm, 30 min and 50, respectively. (Sogi et al., 2009)In our experiment all the values of curcumin found were of crude content, so further purification is necessary inorder to determine the exact value of curcumin determined.
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