From Greek boutyron, butter, bous, cow and tyros, cheese. Salt or ester of butyric acid that produces the intestinal flora to protect the intestinal mucosa especially in the colon. It's starting to be taken into account by nutritionists. They also call it fruity-smelling butanoate. Butyric acid was discovered in butter in 1814 by French chemist Michel Eugene Chevreul.
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