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Why are kernels of corn so impervious to the digestive process?

Asked by robmandu (21331points) September 14th, 2010

After being subjected to grinding pressures rated at over 4,000 psi, more than 20 specialized digestive enzymes, as well as an extended acid bath, corn kernels often appear to survive the journey through the human gut unscathed.

Why is that?

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