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单词 cyanocobalamin
释义

Definition of cyanocobalamin in English:

cyanocobalamin

nounˌsʌɪənə(ʊ)kəˈbaləmɪnsīˌanō-
mass noun
  • A vitamin derived from foods of animal origin such as liver, fish, and eggs, a deficiency of which can cause pernicious anaemia. It contains a cyanide group bonded to the central cobalt atom of a cobalamin molecule.

    Also called "vitamin B12"
    Example sentencesExamples
    • A deficiency of any of the following B-vitamins: folio acid, cyanocobalamin or pyridoxine can cause an increase in blood levels of homocysteine.
    • The B-complex vitamins are actually a group of eight vitamins, which include thiamine, riboflavin, niacin, pyridoxine, folic acid, cyanocobalamin, pantothenic acid and biotin.
    • At the time of this writing, cyanocobalamin is a widely available form of injectable vitamin B 12, whereas hydroxocobalamin can be obtained only through a compounding pharmacist.
    • A synthetic form, called cyanocobalamin, is used to fortify foods and make dietary supplements in the United States.
    • The actual increase in cobalt could be entirely attributed to the cobalt content of the cyanocobalamin that was added to the infusion.

Origin

1950s: from cyanogen and cobalamin (blend of cobalt and vitamin).

 
 

Definition of cyanocobalamin in US English:

cyanocobalamin

nounsīˌanō-
  • A vitamin found in foods of animal origin such as liver, fish, and eggs, a deficiency of which can cause pernicious anemia. It contains a cyanide group bonded to the central cobalt atom of a cobalamin molecule.

    Also called "vitamin B12" (see vitamin B)
    Example sentencesExamples
    • A synthetic form, called cyanocobalamin, is used to fortify foods and make dietary supplements in the United States.
    • A deficiency of any of the following B-vitamins: folio acid, cyanocobalamin or pyridoxine can cause an increase in blood levels of homocysteine.
    • At the time of this writing, cyanocobalamin is a widely available form of injectable vitamin B 12, whereas hydroxocobalamin can be obtained only through a compounding pharmacist.
    • The actual increase in cobalt could be entirely attributed to the cobalt content of the cyanocobalamin that was added to the infusion.
    • The B-complex vitamins are actually a group of eight vitamins, which include thiamine, riboflavin, niacin, pyridoxine, folic acid, cyanocobalamin, pantothenic acid and biotin.

Origin

1950s: from cyanogen and cobalamin (blend of cobalt and vitamin).

 
 
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更新时间:2025/1/1 7:06:53