Tigress had already prepared lunch: steamed bread, boiled cabbage with meat-balls, a plate of jellied porkskin and pickled turnips.
虎妞已把午饭做好：馏的馒头，熬白菜加肉丸子，一碟虎皮冻，一碟酱萝卜。
3
In this paper, on the basis of the proximate compositions of porkskin and the extracting techniques of collagen, the main utilization and the future trends of collagen were discussed.