紫菜,因色泽黑紫光亮,属海生藻类蔬菜而得名。它昧道芳香,主要用作汤菜料,且药食兼优,素有“长寿菜”之美称。紫菜营养丰富。据测定,每100克紫菜中的主要成分含量为:蛋白质25—35克,与大豆的含量相似,约为大米的8倍,猪肉的2.6倍,牛肉的1.7倍;脂肪0.2克,碳水化合物48.5克,糖31毫克,钙343毫克,磷457毫克,铁33.2毫克,还含有胡萝卜素、核黄素、尼克酸、锌、碘、锰等多种营养成分。这些物质人体需要,有益健康。紫菜古来就是我国人民喜爱的珍贵海味藻类食品之一,被 The seaweed is named after marine algae vegetables due to its bright black and violet color. It is aromatic and is mainly used as soup ingredients. It has excellent food and medicine and is known as the “longevity food”. Seaweed is rich in nutrition. According to the determination, the main component content per 100 grams of laver is: protein 25-35 grams, similar to the content of soybean, about 8 times that of rice, 2.6 times that of pork, 1.7 times that of beef; 0.2 grams of fat, carbohydrates 48.5 Grams, sugar 31 mg, calcium 343 mg, phosphorus 457 mg, iron 33.2 mg, also contains carotene, riboflavin, niacin, zinc, iodine, manganese and other nutrients. These substances are needed by the body and are healthy. In ancient times, seaweed was one of the precious marine algae foods that our people loved.