2. When buying chilled scallops, we should first look at whether their appearance is white, and then look at the output of pure scallop meat after thawing, the size and uniformity of particles, and whether there are many pieces and freshness, and then decide whether to choose. Generally, the yield is about 70%, and the chilled scallops with white color, large and full grains, high freshness and no broken grains, or with no more than 10 broken grains per 500g, are qualified products.