The results showed that the concentration of moistening agent and the quantities of several primary materials had great effects on the quality of sugar-free Gynostemma chewing gum.

• 结果表明：绞股蓝浸膏粉、奶粉、微晶纤维素的用量及润湿剂的浓度等因素对无糖咀嚼片的质量有较大影响。