The paper studied the effect of ammonium monoacid phosphate and other nutrients on binding sulfur dioxide after cider fermentation by single element experiments and rotary unitized design. 本文利用单因素试验和二次通用旋转组合设计研究了磷酸氢二铵、硫酸铵、硫胺素等外加营养素对苹果酒酒精发酵结束后结合SO2量的影响。