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词汇 phylloquinone
释义

Definition of phylloquinone in English:

phylloquinone

noun ˌfɪlə(ʊ)ˈkwɪnəʊnˌfilōˈkwinōn
mass nounBiochemistry
  • One of the K vitamins, found in cabbage, spinach, and other leafy green vegetables, and essential for the blood-clotting process.

    〔生化〕叶绿醌。亦称 vitamin K 1

    Also called "vitamin K1"
    Example sentencesExamples
    • The best-known member of the vitamin K family is phylloquinone, also known as phytonadione because of its relationship with photosynthesis.
    • The IUPAC-IUB Commission on Biochemical Nomenclature abbreviates phylloquinone as ‘K’ while menaquinone is abbreviated as ‘MK-n.’
    • ‘Older people tend to have higher blood levels of phylloquinone,’ explains Booth, ‘so we thought they might not respond to dietary increases as much as the younger group.’
    • After earlier research, a purified form of vitamin K, phylloquinone, was isolated from plants in 1939 and used to treat a nutritional deficiency characterized by decreased prothrombin levels.
    • ‘People over age 65 consumed more phylloquinone than those in the 20 to 40 age bracket,’ she says.

Definition of phylloquinone in US English:

phylloquinone

nounˌfilōˈkwinōn
Biochemistry
  • One of the K vitamins, found in cabbage, spinach, and other leafy green vegetables, and essential for the blood-clotting process.

    〔生化〕叶绿醌。亦称 vitamin K 1

    Also called "vitamin K1" (see vitamin K)
    Example sentencesExamples
    • ‘Older people tend to have higher blood levels of phylloquinone,’ explains Booth, ‘so we thought they might not respond to dietary increases as much as the younger group.’
    • The IUPAC-IUB Commission on Biochemical Nomenclature abbreviates phylloquinone as ‘K’ while menaquinone is abbreviated as ‘MK-n.’
    • The best-known member of the vitamin K family is phylloquinone, also known as phytonadione because of its relationship with photosynthesis.
    • ‘People over age 65 consumed more phylloquinone than those in the 20 to 40 age bracket,’ she says.
    • After earlier research, a purified form of vitamin K, phylloquinone, was isolated from plants in 1939 and used to treat a nutritional deficiency characterized by decreased prothrombin levels.
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