The seaweed in the shabu-shabu is sea cabbage.

Seaweed is a collective term for plant algae that grows in the ocean and can photosynthesize, making it an important marine living resource and one of the most important sources of food for humans since ancient times.

Seaweeds are usually divided into macroalgae and microalgae, with the largest macroalgae measuring more than 80 meters in length and 20 stories high, and the smallest microalgae being less than 1 micron in length, and can only be observed through a microscope. Kelp, seaweed, wakame, wakame, sea cabbage and unicorn cabbage are common macroalgae, and marine diatoms are microalgae.

China is a large seaweed farming country, accounting for more than half of the world's seaweed production. Common edible seaweed food on the market has two categories. One is seaweed directly processed food, mainly after purification, softening, cooking, sterilization, dehydration, forming and other processed seaweed products, can be eaten directly or after rehydration, such as the popular leisure food seaweed is seaweed processing products.

The other category is to seaweed as raw materials, the extraction of its active ingredients, or seaweed as a simple processed products as additives to produce food, such as fucoidan, carrageenan, agar, etc.. Fucoidan is an important food thickener and emulsifier, and carrageenan and agar are the main raw materials for jellies, soft candies and cold foods.

Mannitol, polysaccharide sulfate (fucoidan sulfate), fucoidan (fucoidan), fucoidan and other seaweed-specific ingredients have been widely used in functional foods and even natural medicines.

Algae is a collective term for marine algae, which are usually found on the seabed or on some solid structure, and are simple plants consisting of a single plant or a long series of basic cells.

Aquatic plants that occur in large numbers without stems or leaves. The name seaweed encompasses a wide variety of organisms that vary greatly in form and span a wide range of lifeforms, ****similar in that they live primarily in seawater and can synthesize organic matter through pigmented bodies within themselves as well as through photosynthesis.

Wrinkled and curled, black-brown, some are glaucous, 30-60 cm long. the main trunk is terete, with conical protuberances, the main branch from both sides of the main trunk, the lateral branches from the leaf axils of the main branches, with short spine-like protuberances. The primary leaves are lanceolate or obovate, 5-7cm long, about 1cm wide, entire or coarsely serrate; the secondary leaves are striped or lanceolate.

The leaf axils are interspersed with branchlets bearing striped leaves. Air sacs black-brown, spherical or ovoid, some stalked, tip obtuse-rounded, some with fine mucro. The texture is brittle, soft when moist; swollen after water immersion, fleshy, sticky and slippery. Fishy, slightly salty flavor.