Betaine, nutritive additive. 1 Feed additive, chemical. 2 Improve flavor,meat color,growth. 3 Promote protein synthesis et. Betaine , nutritive additiveCAS NO: 590-46-5Molecular Formula/Weight:C5H11NO2HCl=153.61Molecular Structure:Appearance:White to pale yellow crystalline powder, taste acerbity and puckery, with hygroscopicity, soluble in water, ethanol, insoluble in ether, chloroform. ...