Colorflex[tm] a new colorimeter to determine orange juice color

Huating Dou, Jonq -Ying Lee, Mark G. Brown

Abstract


Citrus juice color is an important juice quality criterion. A new colorimeter, ColorFlex[tm], was adapted recently for the determination of orange juice color. In this study we analyzed the relationship between the color numbers measured by ColorFlex[tm], Hunter[tm] D45D2 citrus colorimeter and Macbeth 3100[tm] reflectance spectrophotometers. Color numbers were measured at three juice quality laboratories located in Central Florida. The statistical analyses show a significant correlation in color numbers between ColorFlex[tm], Hunter[tm] D45D2, and Macbeth 3100[tm] colorimeters. However, regression analysis results indicate that color numbers are not equal between the different colorimeters used.

Keywords


color number; hunter[tm] d45d2; macbeth 3100[tm]

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283