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单词 lactochrome
释义

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ˈlactochrome
ˈlactochrome n.
Brit. /ˈlaktə(ʊ)krəʊm/
,
U.S. /ˈlæktəˌkroʊm/
Biochemistry a yellow-orange pigment originally extracted from milk and now identified with riboflavin.
ΚΠ
1879 A. W. Blyth in Jrnl. Chem. Soc. XXXV. 532 After the liquid from which the galactin has been removed had been freed from the excess of lead by hydrogen sulphide, an alkaloïdal colouring matter, for which I propose the name of ‘lactochrome’, may be separated by the addition of nitrate of mercury solution.
1914 Jrnl. Biol. Chem. 17 261 The facts brought out by this investigation point very clearly to a very close relationship existing between the yellow lactochrome of milk whey and the urochrome of urine.
1936 W. L. Davies Chem. Milk xi. 218 Milk from other species of mammals also contains lactochrome. It is present in human milk.
1953 J. S. Fruton & S. Simmonds Gen. Biochem. xiii. 319 In 1879 Blyth described the isolation from milk of a yellow pigment (named lactochrome) which showed a striking green fluorescence... By 1936 the chemical nature of the yellow pigment of egg yolk and of milk had been established..; it was shown that this pigment, named riboflavin, is identical with vitamin B2.
extracted from lacto-comb. form
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