Total color density (TCD) was expressed as total absorbance values of the brown compounds, which show maximum absorbance at 420 nm and absorbance of juice that gives its maximum at 533 nm (Alper, Bahçeci, & Acar, 2005).
Total color density (TCD) was expressed as total absorbancevalues of the brown compounds, which show maximum absorbanceat 420 nm and absorbance of juice that gives its maximum at533 nm (Alper, Bahçeci, & Acar, 2005).