What specific B vitamin's bioavailability is significantly increased by nixtamalization?

Answer

Niacin (vitamin B3)

Nixtamalization is a traditional preparation method involving soaking dried flint kernels in an alkaline solution, often limewater. This chemical alteration is vital because it significantly increases the bioavailability of niacin, which is Vitamin B3. Historically, this process was essential for populations relying heavily on corn, as insufficient niacin absorption leads to the deficiency disease known as pellagra. This culinary step effectively unlocks nutrients that would otherwise remain bound within the kernel structure.

What specific B vitamin's bioavailability is significantly increased by nixtamalization?
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