Nori seaweed: properties, use and contraindications

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Joe Dispenza

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L'alga wants it is one of the best known seaweeds because it is used for sushi. Rich in proteins, vitamins and precious minerals, it is useful against eczema and desquamation of the dermis. Let's find out better.

> 1. Description of the seaweed

> 2. Properties and use of the nori seaweed

> 3. Benefits of nori

> 4. Contraindications of the nori seaweed



Description of the seaweed

Nori is the Japanese name of the seaweed which, in addition to Japan, is also present in China, Korea and Europe, especially along the coasts of Great Britain, where it is known as black buttert.

The consumption of Porphyra, scientific name of nori, dates back to 533-544 AD in China. Nori, which came into vogue in the Western world around the 60s, is usually sold in sheets.

When the thalli are large enough they are carefully collected and washed in the sea; they are then cut into a suitable size and reduced to a pulp and poured into a metal container for the production of the sheets. They are then dried in warm air chambers.

The sheets are then sorted according to their apparent quality, cut into sheets and packaged to be marketed.


Ownership and use of nori

Nori is the most consumed and popular seaweed that exists, it is the one commonly used for the preparation of sushi. It is a red alga from Japan, also called "sea lettuce", Porphyra tender or Porphyra yezoensis, belongs to the class of Rodoficee.

You can find sheets of nori already toasted known as "sushi nori" or toasted and cut into strips suitable for garnishing dishes, called "kizami nori". In the East and especially in Japan, nori is consumed daily, even by children.

The seaweed is suitable for the preparation of maki from the classic rolled-up shape, it is also used as a wrapper for sushi andonigiri and is an ideal side dish, as well as a flavoring in the preparation of pasta and soups. In Japan it is consumed flavored, ajitsuke-nori, but also eaten in the form of a sauce, noritsukudani.


Benefits of nori

In general, the algae of the genus Porphyra are algae from thehigh protein content and the balanced presence of vitamins (vitamins A, C and B), mineral salts and Omega 3.

They are particularly rich in acids polyunsaturated fats: linoleic acid, linolenic acid, gamma-linolenic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), essential for the human body.

There are rich in amino acids, including arginine. The considerable amount of taurine present in them is able to help the liver perform its functions properly. Nori seaweed also contains essential trace elements, including manganese, zinc, copper and selenium. Like all algae, they are an important source of iodine.

The presence of fatty acids makes them foods with antiplatelet, antithrombosis, hypocholesterolemic, hormone production stimulating properties. These same substances help in the prevention of skin and stomach cancer and make premenstrual syndromes milder.

Plus, clinical experts have tried theirs efficacy against eczema and desquamation of the dermis: the skin becomes more elastic and flexible.


Contraindications of the nori seaweed

Like other algae, it should not be taken during pregnancy, while breastfeeding and in case of metabolic pathologies; in any case it is advisable to first consult your doctor.

Overdosing can have side effects especially for thyroid sufferers: hyperthyroidism, hypertension, tachycardia, irritability and insomnia.


The nori seaweed among the natural vitamin B12 supplements

Recipes with nori seaweed


| Wikipedia


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