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Laminaria arrived in China from Hokkaido, Japan in the late 1920s. Once in China, Laminaria was cultivated on a much larger industrial scale. [9] The rocky shores at Dalian, the northern coast of the Yellow Sea, along with its cold waters provided excellent growing conditions for these species.
Saccharina is a genus of 24 species of Phaeophyceae (brown algae). It is found in the north Atlantic Ocean and the northern Pacific Ocean at depths from 8 m to 30 m (exceptionally to 120 m in the warmer waters of the Mediterranean Sea and off Brazil).
Laminaria hyperborea is a species of large brown alga, a kelp in the family Laminariaceae, also known by the common names of tangle and cuvie. It is found in the sublittoral zone of the northern Atlantic Ocean. A variety, Laminaria hyperborea f. cucullata (P.Svensden & J.M.Kain, 1971) is known from more wave sheltered areas in Scandinavia. [2]
The species has been cultivated in China, Japan, Korea, Russia and France. [5] It is one of the two most consumed species of kelp in China and Japan. [1] Saccharina japonica is also used for the production of alginates, with China producing up to ten thousand tons of the product each year. [6] S. japonica contains very high amounts of iodine.
Laminaria is high in iodine, a nutrient crucial for proper thyroid function. In addition to promoting thyroid health, members of the family Laminariaceae can be used to induce and aid in labor. Pieces of laminaria can be put in the cervix and water added. The laminaria absorbs the water and enlarges, making the opening of the cervix larger.
Saccharina dentigera is a large brown seaweed growing to a length of 1.5 m (5 ft). The thallus is dark brown, thick and leathery, often appearing palmate because of being split into broad lobes to within 10 cm (4 in) of its base.
Laminaria digitata is found mostly on exposed sites on shores in the lower littoral where it may form extensive meadows and can be the dominant algal species. It has a fairly high intrinsic growth rate compared to other algae, 5.5% per day, and a carrying capacity of about 40 kg wet weight per square meter.
Niebla laminaria as described above is defined by its morphology and by its secondary metabolites with emphasis placed on secondary metabolites, not an uncommon practice in taxonomic treatments of other lichen genera; [7] Niebla cornea (sekikaic acid) and N. laminaria (divaricatic acid) are best distinguished by their lichen substances when ...