紫甘蓝是我们经常食用的一种蔬菜,你相信紫甘蓝汁加入醋或碱水会呈不同的颜色吗?那就自己动手试试吧。准备新鲜的紫甘蓝、注射器、碱面、食醋、纱布。步骤一、制取紫甘蓝汁1.将几片紫甘蓝的叶子切碎,见图1。2.将切好的紫甘蓝放入碗中,捣出汁,加一些凉开水再捣,见图2。 Purple cabbage is a kind of vegetable we often consume. Do you believe that the purple cabbage juice will be different in color when added to vinegar or alkaline water? Try it yourself. Prepare fresh purple cabbage, syringe, soda, vinegar, gauze. Step one, making purple cabbage juice 1. A few pieces of purple cabbage leaves chopped, see Figure 1.2. The cut purple cabbage into the bowl, pound the juice, add some cold water and then pound, see Figure 2 .