水产品,顾名思义即指水域中出产的、具有一定食用和利用价值的动植物。本文指鱼、虾、蟹、贝、藻等五大类及它们的加工品。水产品味道鲜美,营养丰富,它含有高质量的蛋白质、脂肪、碳水化合物、维生素及人体不可缺少的无机盐类等多种营养物质,所以水产品是受人们欢迎的食品。在人们争相购买、日趋需要水产品的时候,切不可忽视由于本身的、生物的、加工的或环境的原因,某些水产品中常含有一些对人体有 Aquatic products, as the name implies, refer to the animals and plants produced in the waters and have certain edibleness and utilization value. This article refers to fish, shrimp, crab, shellfish, algae and other five categories and their processed products. Aquatic products are delicious and nutritious. They contain many kinds of nutritious substances such as high-quality protein, fat, carbohydrates, vitamins and inorganic salts indispensable to the human body. Therefore, aquatic products are popular foods. When people are competing to purchase and aquatic products are becoming more and more needed, it can not be ignored that some aquatic products often contain some substances that are harmful to the human body due to their own, biological, processing or environmental reasons