Vitamin u Chinese name: chlorinated armour sulfur amino acid, is a kind of plant extracts. Methyl chloride sulfur amino acid that is a kind of antiulcer agent, mainly used in the treatment of gastric and duodenal ulcer, it is not essential nutrients. So, strictly speaking, a sulfur amino acid chloride is not vitamin.
Found in cabbage, Chinese cabbage, cabbage, lettuce, alfalfa, and other green leafy vegetables. Can be made by reaction with methyl iodide methionine, have special smell, taste salty, bitter. Light or for a long time in the air is not stable. Soluble in water, insoluble in ethanol and aether. Acidic aqueous solution. Mainly used in the treatment of gastric and duodenal ulcer.
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