Always buy alive shrimps, especially alive and kicking one. Its shell should be clear and transparent. The shrimp meat is dense and elastic, the tail section stretches freely
The fresh prawns are alive and kicking. The color is bluish gray. The shell is clear and transparent. The meat is resilient and jumping strongly on the ground.
Besides removing the sand vein, add white vinegar to the soup when boil shrimps. It makes the cooked shrimp with bright shell and you can separate the shell and meat easily.