A、<p><span style="font-size: 10.5pt; font-family: 宋体;">维生素<span lang="EN-US">C</span></span></p>
B、<p><span style="font-size: 10.5pt; font-family: 宋体;">甲糖</span></p>
C、<p><span style="font-size: 10.5pt; font-family: 宋体;">食物中半胱氨酸</span></p>
D、<p><span style="font-size: 10.5pt; font-family: 宋体;">食物中高磷、高钙、鞣酸等</span></p>
E、<p><span style="font-size: 10.5pt; font-family: 宋体;">稀盐酸</span></p>