D(-)- and L(+)-Lactic Acids Contents of Commercial Yogurts

시판 요구르트 중의 D(-)- 및 L(+)-락트산 함량

  • Park, In-Duck (Department of Food and Nutrition, Chonnam National University) ;
  • Hong, Youn-Ho (Department of Food and Nutrition, Chonnam National University)
  • 박인덕 (전남대학교 식품영양학과) ;
  • 홍윤호 (전남대학교 식품영양학과)
  • Published : 1991.08.01

Abstract

The ranges of D(-)- and L(+)-lactic acids contents in commercial liquid yogurt were $6.1{\sim}535.8mg/100ml\;and\;70.0{\sim}664.6mg/100ml$, respectively. The ratio of L(+)-lactic acid to D(-)-lactic acid was $0.2{\sim}109.0$. The ranges of D(-)- and L(+)-lactic acids contents in commercial semi-solid yogurt were $10.1{\sim}418.3mg/100g\;and\;515.8{\sim}792.1mg/100g$ respectively. The ratio of L(+)-lactic acid to D(-)-lactic acid was $1.2{\sim}78.4$.

Keywords

yogurt;D(-)-lactic acid;L(+)-lactic acid