menaquinone

/ ˌmɛnəkwɪˈnəʊn /

noun

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

menaquinone

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.

Read more on 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.

Read more on 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.

Read more on Reuters