1, different families and genera
Kelp is a large marine brown algae plant growing in low-temperature seawater, belonging to Phaeophyta and Laminariaceae.
Porphyra belongs to Rhodophyta, ProtoRhodophyta, Saussurea, Saussurea.
2. Different shapes
The number of cells in Porphyra is 1, and a single cell contains 1 stellate pigment. All species of Porphyra in China belong to this subgenus.
Seaweed is an aquatic plant that grows in water all the year round. Its roots extend into stems and stems extend into vines. After biochemical treatment, vines become goose-foot-shaped broad leaves, with yellow pistils and white petals in all seasons and claw-like fleshy "vegetables" in summer. Wild vegetable seaweed has green leaves, white stems and pleasant flowers. It is a natural wild seaweed rich in vitamins and trace elements in protein. Edible methods of wild vegetables and seaweed include frying, boiling, stewing and boiling.
3. Different nutrition
Porphyra is rich in protein, carbohydrates, unsaturated fatty acids, vitamins and minerals, and has high nutritional value. Porphyra is one of the seaweeds rich in protein. The content of protein in laver varies with species, growth time and place. Generally, the content of protein accounts for 25% ~ 50% of the dry weight of laver.
Kelp is a kind of seaweed with high iodine content. Iodine and alginic acid extracted from it are widely used in medicine, food and chemical industry. Iodine is one of the essential elements for human body. Iodine deficiency can cause goiter, and eating kelp can prevent this disease. It can also prevent arteriosclerosis and reduce the accumulation of cholesterol and fat.
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