Optics For Food Quality Analysis

Gerald S. Birth; George Eisler

doi:10.1117/12.957020

8 May 1971 Optics For Food Quality Analysis

Gerald S. Birth; George Eisler;

Author Affiliations +

Proceedings Volume 0170, Optics in Quality Assurance II; (1971) https://doi.org/10.1117/12.957020
Event: Los Angeles Technical Symposium, 1979, Los Angeles, United States

Abstract

The most common application of optics to nondestructive quality evaluation of raw product is for color and appearance analysis. An application less familiar to consumers is automatic sorting, where each unit is evaluated and the defective units are removed. Devices for sorting beans, peanuts, and other small products by comparing the reflectance of the product to a standard have been in use for more than 30 years. With these devices each bean is examined on both sides while in free-fall and accepted or rejected. The operation is sufficiently rapid so that it is economically feasible to sort commercial volumes of these crops.

Citation Download Citation

Gerald S. Birth, George Eisler, "Optics For Food Quality Analysis", Proc. SPIE 0170, Optics in Quality Assurance II, (8 May 1971); doi: 10.1117/12.957020; https://doi.org/10.1117/12.957020

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