Depending on how light interacts, food products can be classified as translucent, transparent, or opaque. The instruments used to measure color put foods into these categories.
There are several instruments of devices developed to measure color. Spectrophotometers measure a ratio of the light reflected or transmitted from a food to a known reference standard. Tristimulus colorimeters are designed to reproduce the “physical” sensation of the human eye’s view of color. Colorimeters are often used a…