据营养学家分析,每160克猪蹄含蛋白质158克,脂肪26.3克,碳水化合物1.7克,另外,猪蹄当中还含有一定量的钙、磷、铁和维生素A、B、c等营养物质。特别是猪蹄中的蛋白质,水解后所产生的天冬氨酸、胱氨酸、精氨酸等十一种氨基酸的含量及营养价值简直与熊掌不相上下。尤其需要提及的是,猪蹄中含有大量的胶原蛋白,为生物大分子组成的胶类物质,是构成肌腱、韧带及结缔组织最主要的蛋白质成分,占人体总蛋白质的三分之一。人称胶原蛋白为“骨骼中的骨骼”,是恰如其分的, According to nutritionists analysis, each 160 grams of pig’s leg protein 158 grams, 26.3 grams of fat, carbohydrates 1.7 grams, in addition, trotters which also contains a certain amount of calcium, phosphorus, iron and vitamins A, B, c and other nutrients . In particular, trotters protein, hydrolyzed produced aspartic acid, cystine, arginine and other eleven kinds of amino acid content and nutritional value is almost comparable with bear’s paw. In particular, trotters contain a large amount of collagen, which is a plastic substance composed of biological macromolecules. It is the most important protein component of tendons, ligaments and connective tissues, accounting for one-third of the total body protein. Called collagen as “bones in the skeleton,” is appropriate,