Enantiomers and the Tetrahedral Carbon Enantiomers of lactic acid (+)-lactic acid Occurs in muscle tissue Found in sour milk ()-lactic acid ·Found in sour milk H CH2- C-CO2H OH Lactic acid:a molecule of general formula CHXYZ H C02H HO,C- HO2C- (+)-Lactic acid (-)-Lactic acidEnantiomers of lactic acid ▪ (+)-lactic acid ▪ Occurs in muscle tissue ▪ Found in sour milk ▪ (-)-lactic acid ▪ Found in sour milk Enantiomers and the Tetrahedral Carbon