紫菜,日本称之为海苔。是一种高蛋白、低脂肪且富含维生素及微量元素的食用海藻,被誉为“长寿菜”、“海洋蔬菜”。我国的紫菜有北方江苏为代表的条斑紫菜和南方福建为代表的磹紫菜,其中磹紫菜产量占80％以上。福建省紫菜干品产量1992年达11901吨,接近于历史最高产量(见表1),除约1/5米水紫菜用于提取琼胶外,4/5紫菜做为食用。 Seaweed, Japan called seaweed. Is a high protein, low fat and rich in vitamins and trace elements of edible seaweed, known as “longevity”, “marine vegetables.” The seaweed in China has Porphyra yezoensis represented by northern Jiangsu and Fujian seaweed represented by southern Fujian, in which the yield of dried seaweed is more than 80%. Fujian dried laver production in 1992 reached 11901 tons, close to the highest yield in history (see Table 1), except about 1/5 m water seaweed extract agar, 4/5 laver as food.