نتایج جستجو برای: vitamin k1
تعداد نتایج: 102506 فیلتر نتایج به سال:
Objetives: Nowadays it is recognised that vitamin K plays an important role in bone health. It is necessary for the gamma-carboxylation of osteocalcin (the most important non-collagen protein in the bone), making the osteocalcin function. There are two important forms of vitamin K (vitamin K1 and vitamin K2), which come from different sources and have different biological activity. Epidemiologi...
In a preliminary experiment, the inclusion of vitamin K1 (K1) at a dietary level of 0.1 mg/kg was as effective as 1 or 2 mg/kg in reducing plasma prothrombin time (PT). To obtain an estimate of the dietary K1 requirement and to compare the biopotency of different vitamin K sources for poults, three additional experiments were conducted. In Experiment 1, an incomplete factorial arrangement of tr...
Jelena MARTIĆ Radoja Dakića 6 11070 Belgrade, Serbia [email protected] SUMMARY Introduction/Objective Vitamin K deficiency is common in newborn infants and without prophylaxis there is a risk of vitamin K deficiency bleeding (VKDB). The most frequent prophylactic approach is an intramuscular (IM) injection of vitamin K1 immediately after birth. Its efficiency to prevent late VKDB has been recen...
CONTEXT Dysmenorrhea, the occurrence of painful menstrual cramping of the uterus, is a major cause of activity restriction and absences from school and work among young women. Standard pharmaceuticals used to treat dysmenorrhea are not effective for all women and have side effects that limit their use. Studies elsewhere have shown beneficial effects for use of vitamin K1 as an acupoint treatmen...
Plasma concentrations of vitamin K1 were similar in 37 patients with cystic fibrosis (median 46 ng/l) and 16 controls (49 ng/l). The plasma concentrations were lower than those previously described in adults, but higher than in neonates. There was no association between an increase in prothrombin time and vitamin K1 plasma concentration.
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