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Mercury poisoning is a type of metal poisoning due to exposure to mercury. [3] Symptoms depend upon the type, dose, method, and duration of exposure. [3] [4] They may include muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing. [1]
A food and medicine source that the U.S. National Ocean Service notes was used for millennia by ancient Roman and Egyptian civilizations, seaweed is now frequently touted and recommended by ...
Fucoidan is a long chain sulfated polysaccharide found in various species of brown algae.Commercially available fucoidan is commonly extracted from the seaweed species Fucus vesiculosus (), Cladosiphon okamuranus, Laminaria japonica (kombu, sugar kelp) and Undaria pinnatifida ().
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
Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life. Some metals are toxic when they form poisonous soluble compounds. Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain form. [ 1 ]
Heavy-metal contamination of spirulina supplements has also raised concern. The Chinese State Food and Drug Administration reported that lead, mercury, and arsenic contamination was widespread in spirulina supplements marketed in China. [50] One study reported the presence of lead up to 5.1 ppm in a sample from a commercial supplement. [4]
A common seaweed used for manufacturing the hydrophilic colloids to produce carrageenan is Chondrus crispus (Irish moss), which is a dark red, parsley-like alga that grows attached to rocks. Gelatinous extracts of C. crispus have been used as food additives since approximately the fifteenth century. [3]
A study showed that 99.5% of the controlled food cans contain tin in an amount below that level. [4] However, un-lacquered tin cans with food of a low pH, such as fruits and pickled vegetables, can contain elevated concentrations of tin. [2] The toxic effects of tin compounds are based on its interference with iron and copper metabolism.