The chemical concentration of vitamin K

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Plasma vitamin K concentration in horses supplemented with several vitamin K homologs.

The effect of several vitamin K homologs on plasma vitamin K concentration was determined to assess their potential as a vitamin K supplement for adult horses. Sixteen Thoroughbred horses consisting of 8 mares and 8 geldings, aged 8.4 ± 3.6 yr and weighing 520.8 ± 36.1 kg, were allocated to 4 groups (n = 4). Each group was given phylloquinone, menaquinone-4, or menadione at 58 µmol/d, or no vit...

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Effect of the Local Heat on the Pain of Vitamin K Injection in the Infants

BackgroundThe absence of pain relief in infants can lead to harmful effects; so, this study aimed to investigate the effect of local heat on the pain of vitamin K injection in the infants.Materials and MethodsThis randomized clinical trial was conducted on 80 healthy infants. For the control group, 1 mg vitamin K was injected into the vastus lateralis muscle by a nurse. In the 3 intervention gr...

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Daily rhythm of circulating fat soluble vitamin concentration (A, D, E and K) in the horse

BACKGROUND: Many physiological processes of mammalian species exhibit daily rhythmicity. An intrinsic relationship exists between fat soluble vitamins (A, D, E and K) and several body functions. Few investigations on the rhythmic pattern of vitamins in domestic animals have been carried out. The present study evaluated the circadian rhythmicity of fat soluble vitamins in the horse. METHODS: Blo...

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A case report of temporary and acquired vitamin K-dependent clotting factor deficiency without any response to administrated vitamin K

Abstract Background and Objectives Vitamin K-dependent clotting factor deficiency (VKCFD) is usually an acquired problem due to liver disease, malabsorption, and overdose of warfarin.  In the present paper the significance and role of vitamin K-dependent coagulation factors in menorrhagia were evaluated.   Case We present a rare case of 43 year woman with acquired vitamin K deficiency and se...

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ژورنال

عنوان ژورنال: Biochemical Journal

سال: 1937

ISSN: 0306-3283

DOI: 10.1042/bj0310017