phylloquinonen.

Brit.

/ˌfɪlə(ʊ)ˈkwɪnəʊn/, U.S.

/ˌfɪloʊˈkwɪˌnoʊn/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: phyllo- comb. form, quinone n.

Etymology: < phyllo- comb. form + quinone n., after German Phyllochinon (Karrer & Geiger, at the suggestion of H. Dam, in Helv. chim. acta (1939) 22 946).

Biochemistry.

Vitamin K₁, a yellow, fat-soluble oil that is present in green leafy vegetables and is important in blood clotting; 2-methyl-3-phytyl-1,4-naphthoquinone, C₃₁H₄₆O₂.

ΘΚΠ

the world > life > biology > biological processes > metabolism > [noun] > vitamin

extrinsic factor1930

phylloquinone1939

1939 Chem. Abstr. 33 8191 The light yellow vitamin K₁ from alfalfa, named by Dam..‘α-phylloquinone’, (I) crystallizes at low temp.

1953 J. S. Fruton & S. Simmonds Gen. Biochem. xxxviii. 908 Vitamin K₂ (2-methyl-3-difarnesyl-1,4-naphthoquinone), which is formed by some bacteria.., differs from phylloquinone only in the substituent in the 3 position of the naphthoquinone ring.

1972 Materials & Technol. V. xix. 692 Menadione, phylloquinone and the menaquinones can all be obtained synthetically, but only menadione is produced in any quantity.

2003 Ottawa Citizen (Nexis) 20 June a14 In the form phylloquinone, Vitamin K contributes to blood clotting.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phylloquinone
释义	phylloquinonen. Brit. /ˌfɪlə(ʊ)ˈkwɪnəʊn/, U.S. /ˌfɪloʊˈkwɪˌnoʊn/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: phyllo- comb. form, quinone n. Etymology: < phyllo- comb. form + quinone n., after German Phyllochinon (Karrer & Geiger, at the suggestion of H. Dam, in Helv. chim. acta (1939) 22 946). Biochemistry. Vitamin K₁, a yellow, fat-soluble oil that is present in green leafy vegetables and is important in blood clotting; 2-methyl-3-phytyl-1,4-naphthoquinone, C₃₁H₄₆O₂. ΘΚΠ the world > life > biology > biological processes > metabolism > [noun] > vitamin extrinsic factor1930 phylloquinone1939 1939 Chem. Abstr. 33 8191 The light yellow vitamin K₁ from alfalfa, named by Dam..‘α-phylloquinone’, (I) crystallizes at low temp. 1953 J. S. Fruton & S. Simmonds Gen. Biochem. xxxviii. 908 Vitamin K₂ (2-methyl-3-difarnesyl-1,4-naphthoquinone), which is formed by some bacteria.., differs from phylloquinone only in the substituent in the 3 position of the naphthoquinone ring. 1972 Materials & Technol. V. xix. 692 Menadione, phylloquinone and the menaquinones can all be obtained synthetically, but only menadione is produced in any quantity. 2003 Ottawa Citizen (Nexis) 20 June a14 In the form phylloquinone, Vitamin K contributes to blood clotting. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1939
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