1, first wash the mucus in the intestine with salt and vinegar, then tie the small end of the intestine with a string, put the tied intestinal head into the intestine with your fingers, then put it into the water, turn the intestinal head over while pouring the water, turn out the inner wall of the intestine and remove the dirt on the intestinal wall. After cleaning, rub it with alum powder a few times, and finally rinse it with clear water to remove the odor.
2. First prepare these things: vinegar, salt and flour. Buy the pig's large intestine home, rinse it with water first, put a few handfuls of flour in the basin, rub the large intestine, and rinse it later. Rub it with flour again like this. Then rub it with salt several times. After this cleaning, it is basically clean. You can smell it and see if there is any peculiar smell. If there is, use vinegar! Wipe it clean with vinegar several times. The pig's large intestine washed out in this way does not have much taste, but it still has its own taste, but it is not a stinky taste, but a unique personality characteristic of the large intestine!
Through this repeated cleaning and rubbing, the pig's large intestine is almost completely cleaned. At this time, you can put it in the stove for a while and then take it out to see if there is white fur on the intestine. If yes, scrape it with a knife, then rinse it, and then complete the cleaning procedure. Then you can cut it into segments, slices, silk and segments of appropriate size, and make necessary processing to make delicious food. That's right. Before cleaning the pig's large intestine, it must be cleaned with cold water to avoid bringing the odor into the intestine forcibly because of the change of cold and heat.