猪血是一种价廉物美的补血食品。其含铁量丰富,比猪肝高两倍以上,此外含有蛋白质、脂肪、糖、钙、磷等。猪血中的氨基酸有十八种之多,其中包括八种人体必需氨基酸。充分利用猪血中的蛋白质是提高膳食营养的一个重要途径。有些人在杀猪时趁热吞饮生猪血,认为可治病。的确,《本草纲目》中有 Pig blood is a cheap blood food. Its rich iron content, more than twice as high as the liver, in addition to protein, fat, sugar, calcium, phosphorus and so on. There are eighteen as many amino acids in pig blood, including eight essential amino acids. Taking full advantage of the protein in pig blood is an important way to improve dietary nutrition. Some people while swallowing hot pig swine blood, that can be cured. Indeed, there are Compendium of Materia Medica