How to choose seaweed? Why does seaweed turn purple?

Nori is crisp and tender, and melts in your mouth. Nori concentrates various B vitamins, especially riboflavin and niacin, as well as a lot of vitamin A and vitamin E, and a small amount of vitamin C. Good nori has a fresh fragrance, while aged nori has no fragrance and has a fishy smell when eaten. Let's take a look at how to choose nori!

Contents of this article

1. Selection of seaweed

2. Why does seaweed turn purple?

3. How much seaweed should you eat at one time?

Selection of seaweed

1. Look at the color: Good laver is purple-red, shiny and free of impurities. If the color is black, it may not be new that year. If the color is reddish, it means the vegetable is relatively tender. Do not buy laver with mixed colors, as it is of poor quality.

2. Feel the texture: Good seaweed will not break easily when pinched because of its high density. If it breaks easily when pinched, it is inferior quality, so don’t buy it.

3. Smell: Good seaweed has a fresh fragrance, while aged seaweed has no fragrance and even has a fishy smell when eaten.

Why does seaweed turn purple?

Nori is thin and dry. If it is not stored properly, it may absorb moisture and cause mold growth, which is called mildew. If the nori is mildly moldy, there may not be visible mold spots, but it will turn red. This reader is in Chongqing, and Chongqing is also very humid this season, so the redness of the nori is likely caused by mold.

If the seaweed has turned red, it is generally not recommended to eat it. This is because mold can produce toxins that affect your health. If you must eat it, there are two points you need to pay special attention to. First, rinse it carefully to remove some of the mold. If the seaweed is severely moldy, it will often rot when rinsed. At this time, don't eat it. Second, heat it thoroughly. If the seaweed has turned red, don't be too convenient and just rinse it with boiling water to make a soup. Instead, heat it thoroughly and cook it thoroughly before eating.

How much seaweed should be eaten at one time?

Seaweed has high salt and MSG content, so it is not suitable for long-term continuous consumption. It is best not to exceed 1 liang a day. Especially for young children and people with high blood pressure, do not eat it often, and drink water in time after eating.

Nori: After being baked, nori is crispy and tender, and melts in the mouth. Especially after being seasoned, oil, salt and other seasonings are added, it becomes a particularly delicious "nori". Nori concentrates various B vitamins in nori, especially riboflavin and niacin, which are very rich in content, as well as a lot of vitamin A and vitamin E, and a small amount of vitamin C. Nori contains about 15% of minerals, including potassium, calcium, magnesium, phosphorus, iron, zinc, copper, manganese, etc., which are necessary for maintaining normal physiological functions. Among them, selenium and iodine are especially rich. These minerals can help the human body maintain the body's acid-base balance, are beneficial to the growth and development of children, and are also helpful for the elderly to delay aging.