Abstract

SUMMARY A nonsacrificial index of peanut kernel maturity was developed, based upon objective color measurement of the internal hull color which was then related to other indices of maturity and quality. Kernel density and light transmittance of the oil at 480 mμ were confirmed as good indices of quality. Internal hull color, kernel density and light transmittance of peanut oil were found to be significantly related. With appropriate instrumentation, objective evaluation of the internal hull surface color of peanuts is feasible as a good index of quality and maturity.

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