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Many varieties are very low in fat, and seaweed's high-fiber content - a 5-gram serving of brown algae has nearly 15% of one's daily recommended amount - not only helps prevent digestive issues ...
Seaweed species such as kelps provide essential nursery habitat for fisheries and other marine species and thus protect food sources; other species, such as planktonic algae, play a vital role in capturing carbon and producing at least 50% of Earth's oxygen. [3] Natural seaweed ecosystems are sometimes under threat from human activity.
According to the American Cancer Society, "available scientific studies do not support its effectiveness for preventing or treating cancer or any other disease in humans". [7] Under certain growing conditions, Chlorella yields oils that are high in polyunsaturated fats—Chlorella minutissima has yielded eicosapentaenoic acid at 39.9% of total ...
There has been some investigation into the potential of seaweeds as a carbon store, and although more is needed, one study says that seaweed habitats are believed to be the most productive of all ...
Ascophyllum nodosum is harvested for use in alginates, fertilisers, and the manufacture of seaweed meal for animal and human consumption. Due to the high level of vitamins and minerals that bioaccumulate in A. nodosum, it has been used in Greenland as a dietary supplement. [6]
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Seaweed is a possible vegan source of Vitamin B12. [19] The vitamin is obtained from symbiotic bacteria. [20] However, the Academy of Nutrition and Dietetics considers seaweed to be an unreliable source of Vitamin B12 for human nutrition. [21] Seaweed are used in multiple cuisines: seaweed wrapped sushi, maki; seaweed in soup, stew, hot pot
Fucoxanthin is present in brown seaweeds and diatoms and was first isolated from Fucus, Dictyota, and Laminaria by Willstätter and Page in 1914. [7] Seaweeds are commonly consumed in south-east Asia and certain countries in Europe, while diatoms are single-cell planktonic microalgae characterized by a golden-brown color, due to their high content of fucoxanthin.