Another aldonic acid, gluconic acid, is an intermediate in the pentose phosphate pathway. 另一个重要的醛酸，葡萄糖酸是戊糖磷酸途径的中间产物。
Sensitive varieties apprently respire mainly by the glycolysis pathway whereas resistant varieties depend more on the pentose phosphate pathway. 显然敏感品种的呼吸主要通过糖酵解途径，而抗性品种比较依赖戊糖磷酸途径。
