Dictionary Definition
butyrin n : any of three glycerides of butyric
acid
Extensive Definition
Butyrin, also known as tributyrin, is any of the
three isomeric glyceryl esters of butyric
acid, naturally present in butter. Among other things, it is
used as an ingredient
in making margarine.
It is commonly occurring in butter and can be described as a
liquid fat with an acrid taste.
Tributyrin is also used in microbiological
laboratories to identify the bacterium Moraxella catarrhalis.
Tributyrin, a Stable and Rapidly Absorbed Product
of Butyric Acid, Enhances Antiproliferative Effects of
Dihydroxycholecalciferol in Human Colon Cancer Cells