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The visual appearance of curcumin in water, OSSPG solution and Methanol (a). The visual appearance of C-OSSPG solution of different concentrations, C-OSSPG 2X and 5X, represent two- and five-fold diluted C-OSSPG solutions, respectively (b). Loading capacity of curcumin in SPG and OSSPG (c). In the chart, *** represents p < 0.001.
