menaquinone
名词 n.
英 /ˌmɛn.əˈkwɪn.əʊn/
美 /ˌmɛn.əˈkwɪˌnoʊn/
英文释义
名词 n.
- A pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K₁ and slightly less active biologically, and is an isoprenoid derivative of menadione.
词形变化
词源
Etymology tree
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English me(thyl)
English na(phtho)quinone
English menaquinone
From me(thyl) + na(phtho)quinone.
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English me(thyl)
English na(phtho)quinone
English menaquinone
From me(thyl) + na(phtho)quinone.
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数据来源: Wiktionary