Common tomato products requiring tight color control include Tomato Paste, Puree, Sauce, Catsup and Juice. It is important when measuring the color of these products that the instrument chosen meets the requirements in accordance with USDA recommendations for the instrumental color measurement of tomato products and in accordance with the U.S. standards for grades of these products, and, as recommended by the USDA, is traceable to the UC Davis master standard.
Many of HunterLab's spectrophotometers are versatile enough to accommodate most applications of color measurement. However, based on 60+ years of experience and a thorough understanding of our customers' needs and product use, these particular instruments are most suited for this industries application.
40% of our customers prefer this instrument because of its compact design and integrated display, so does not require a PC and external software.
If you are unsure which instrument type is right for your samples, please call or email HunterLab technical support and we will be happy to assist you in making the proper instrument selection.
CIE Standard Observers and calculation of CIE X, Y, Z color values.
Measuring Color using Hunter L, a, b vs CIE 1976 L*a*b*.
Averaging in Color Measurement.
AN 1014 Tomato Scores
Using Hitch Standardization on a Series of Color Measuring Instruments.
AN 1031 Identification of Measurement Parameters
Identification of Measurement Parameters.
AN 1033 Color versus Appearance
Understanding the difference between measuring color and measuring appearance.
Food Industry Brochure
The trusted choice of the world's leading food processing companies.
HunterLab Solution Matrix
Geometry, Measurement Modes, and Indices.