What is nori (seaweed wrap)?
Nori is the dark green, almost black seaweed used to hold toppings in place or to wrap sushi rolls. While most westerners experience Nori only in sushi rolls, Japanese cuisine has many uses for the ingredient. Nori can be added to soups and seafood dishes to add its salty flavor. If you do wish to use Nori in soups, be careful as the seaweed is dried and thus will expand enormously when hydrated. Nori will even absorb water from the air when stored, and should be stored tightly with a desiccant if not used soon after purchasing.
Nutritionally, Nori is high in protein, minerals, vitamins and fiber. One sheet of Nori, which can be used for an entire roll of sushi, will add only 13 calories to the roll. This is thankful as Nori is an essential ingredient in sushi as we know it today. About a third of Nori is protein and a third fiber, making it one of the main reasons sushi is such a healthy meal. While Nori is rarely enjoyed alone in the Western world, the nutritional benefits can be gained by simply toasting Nori with sesame oil or soy sauce and enjoying it as a stand alone snack.
Nori is harvested in a complex but well understood aquatic agricultural practice. The seaweed is farmed in the sea where it grows on large nets suspended on the surface of the sea. These plants grow at a rapid pace, taking only 45 days to be ready for their first commercial harvesting from the time of seeding. In Japan, which is the greatest producer of Nori, over 230 square miles of coastal waters are used to produce a staggering 350,000 tonnes of Nori yearly for the global market. This is a huge business which has ensured that the process is efficient. Nori is actually a red seaweed as it grows, falling under red algae family of porphyra. However, the processing Nori, which includes shredding, drying, and roasting, changes the color to the dark green that we know. Processed Nori will become even darker as it ages.
If you eat sushi, it is impossible for you to be unfamiliar with Nori. While many newcomers to sushi are worried about the concept of eating raw fish and will stick to vegetarian rolls, they may be blissfully unaware of the fact that seaweed is right under their nose!
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