Nutritional value of seaweed

Nori

Porphyra is a red algae plant that grows on shallow sea reefs. It has three colors: red purple, green purple and black purple. After drying, it turns purple. It is named as Porphyra because it can be used as a dish. It is the thallus of Porphyra serrata, a plant of the family Rhodophyta.

There are records of eating laver in my country since before the Han Dynasty, and it has always been regarded as one of the precious seafood.