Before boiling, the glue needs to be washed and soaked until it becomes soft. Soak the small-sized shellac for 1 ~ 3 hours, and soak the thicker shellac for 5 ~ 12 hours according to the situation. Even if you are in a hurry, you can't use hot water to soak, otherwise you will lose the nutrients inside.
After all, gelatin comes from fish. It smells a little fishy when stewed. When cooking soup, Chinese herbal medicines such as red dates, ginseng and ginger can be added to deodorize. They also have nutritional effects. If you don't like the soft and smooth texture of Ejiao stew, you can't eat Ejiao itself as long as it is stewed for a long time and completely integrated into the soup.