cyanocobalaminn.

Etymology: < cyano- comb. form + cobalamin n.Previous versions of the OED give the stress as: ˌcyanocoˈbalamin.

Biochemistry.

Vitamin B₁₂.

ΚΠ

1950 E. A. Kaczka et al. in Science 29 Sept. 355 The name cobalamin designates all the vitamin B₁₂ molecule except the cyano group, and..vitamin B₁₂ becomes cyano-cobalamin, and vitamin B_12a, hydroxo-cobalamin.

1961 Lancet 26 Aug. 482/2 It seems probable that the pharmacopœial term ‘vitamin B 12’, at present restricted..to cyanocobalamin, will soon have to be extended to include also hydroxocobalamin.

1962 New Scientist 15 Feb. 390/2 A by-product of the streptomycin fermentation is cyanocobalamin (vitamin B₁₂), an important constituent of liver extract, used in treating pernicious anaemia.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).

单词	cyanocobalamin
释义	cyanocobalaminn. Etymology: < cyano- comb. form + cobalamin n.Previous versions of the OED give the stress as: ˌcyanocoˈbalamin. Biochemistry. Vitamin B₁₂. ΚΠ 1950 E. A. Kaczka et al. in Science 29 Sept. 355 The name cobalamin designates all the vitamin B₁₂ molecule except the cyano group, and..vitamin B₁₂ becomes cyano-cobalamin, and vitamin B_12a, hydroxo-cobalamin. 1961 Lancet 26 Aug. 482/2 It seems probable that the pharmacopœial term ‘vitamin B 12’, at present restricted..to cyanocobalamin, will soon have to be extended to include also hydroxocobalamin. 1962 New Scientist 15 Feb. 390/2 A by-product of the streptomycin fermentation is cyanocobalamin (vitamin B₁₂), an important constituent of liver extract, used in treating pernicious anaemia. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019). < n.1950
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