Try not to eat seaweed that turns purple. Under normal circumstances, laver is black. After being left for a long time, a large number of bacteria and fungi will breed on the surface of laver, which will cause the color of laver to change from the original light black to purple, and the essence of laver will change. Change, so try not to eat it.

Laver is a kind of seafood with extremely high nutritional value. It is rich in minerals and plant protein and is an important ingredient for people to supplement their daily nutritional needs. Usually, seaweed is sold in the form of dried products, which is convenient for long-distance transportation and preservation, and can also extend the storage time of seaweed.

The main reason why seaweed turns purple is that seaweed gets damp. Seaweed that has been soaked in water will appear blue-purple, and the internal structure of the seaweed has also been contaminated by microorganisms. If you continue to eat it, it will have harmful effects on the human body.

The shelf life of seaweed is generally 12 months, and it needs to be used as soon as possible after opening. If it cannot be finished, it needs to be placed in a cool, ventilated and dry place. It can be stored for up to one month. It cannot be eaten after the expiration date.

If you accidentally eat purple seaweed, first observe whether you have symptoms of vomiting and diarrhea. During this period, try to drink as much boiled water as possible to expel viruses and bacteria from your body. If symptoms of poisoning occur, it is recommended to seek medical attention immediately.