甘油醛是一个丙糖（单糖）,化学式为C3H6O3,是最简单的醛糖.它是有甜味的无色晶体,作为糖类代谢的中间产物.甘油与硬脂酸：C17H35COOH + HOCH2CH（OH）CH2OH --- C17H35COOCH2
C17H35COOCH2 +3H2O
C17H35COOCH2
(中间是箭头我打不出来,后面最后一竖排碳应连在一起）
甘油与软脂酸：C15H31COOH + HOCH2CH（OH）CH2OH ----C15H31COOCH2
C15H31COOCH2 +3H2O
C15H31COOCH2
甘油与油酸:C17H33COOH + HOCH2CH（OH）CH2OH -----C17H33COOCH2
C17H33COOCH2 +3H2O
C17H33COOCH2
