menaquinone

/ ˌmɛnəkwɪˈnəʊn /

noun

1. a form of vitamin K synthesized by bacteria in the intestine or in putrefying organic matter Alsovitamin K2

menaquinone

/ mĕn′ə-kwĭn′ōn′,-kwī′nōn′ /

1. See vitamin K 2

Word History and Origins

Origin of menaquinone¹

C20: from me ( thyl ) -na ( phtho ) quinone

Example Sentences

Menaquinone can reoxidize the flavin adenine dinucleotide cofactor in DprE1 and may be the natural electron acceptor for this reaction in the mycobacterium.

From Science Magazine

Vitamin K exists in two natural forms: vitamin K1, or phylloquinone, found largely in green leafy vegetables, as well as some vegetable oils, such as canola and soybean oils; and vitamin K2, or menaquinone, which people get mainly through meat, cheese and eggs.

From Reuters

Vitamin K exists in two natural forms: vitamin K1, or phylloquinone, found largely in green leafy vegetables, as well as some vegetable oils, such as canola and soybean oils; and vitamin K2, or menaquinone, for which meat and cheese are the primary dietary sources.

From Reuters