NUTR 120 Lecture Notes - Lecture 24: Iodine Deficiency, Vitamin K, Goitre
Document Summary
Functions of vitamin k: blood clotting (smolin, fig. ***#2-4 has the same function as vitamin d. It is not stored well in the liver and has a short half-life have to have it on regular basis. Most likely to occur w/ people on long-term antibiotics wide-spectrum antibiotics can kill all kinds of bacteria, including the colon microbes that produce some vitamin k. Excess vitamin k may interfere in anticoagulant drugs. I(cid:374) ca(cid:374)ada, (cid:449)e do(cid:374)"t ha(cid:448)e (cid:448)ita(cid:373)i(cid:374) k supple(cid:373)e(cid:374)ts. *babies are born without having a full complement of their colon microbes they are low in vitamin k at birth. Some newborn can die from intracranial hemorrhaging, which can be simply avoided by injecting vitamin k at birth. Major minerals = required >100 mg/day: e. g. Trace minerals = required <100 mg/day: e. g. *no dri memorization: se = rda is 55 g/day, ul is 400 g.
