Aosa, a type of edible green seaweed, is one of the signature marine products of Mie Prefecture. The waters of Ago Bay and Matoya Bay in Shima City are known for their rich marine resources and beautiful coastal scenery. Located within a national park, these bays feature the intricate inlets and headlands characteristic of a ria coastline.
In winter, cultivation nets for aosa are spread extensively along the winding shorelines of the region. The sheltered bays and nutrient-rich waters provide favorable conditions for growing this delicate seaweed.
Shima City accounts for approximately 30% of Japan’s total aosa production, making the seaweed an important local specialty and a familiar part of the region’s food culture.
Aosa is very low in calories and contains dietary fiber, calcium, and vitamins A and C. Its nutritional profile makes it a popular ingredient for those seeking a balanced diet while enjoying the natural bounty of the sea.
With its distinctive marine aroma and delicate flavor, aosa is commonly used in Japanese cooking, including miso soup and other dishes. When visiting the Ise-Shima area, look for locally produced aosa to experience one of Mie Prefecture’s characteristic tastes of the sea.