HTHSCI 3BB3 Lecture Notes - Lecture 8: Spinach, Active Transport, Vitamin A Deficiency
2 Jan 2019
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Inadequate carrier proteins fat soluble vitamin deficiency. Sources: carrots, *yellow, orange vegetables, liver (animal sources are more easily absorbed) Ingested or sun-generated vitamin d3 needs further processing in liver and kidney to be in active form. Sources: not many sources which is why supplementation may be necessary, salmons, milk- fortified. Sun exposure by latitude: above 40 latitude n and below 40 south insufficient uv radiation available for vitamin d synthesis. Antioxidants: many diseases are a cause of oxidative stress. If you are not taking in anti-oxidants, you are unable to neutralize free radicals and stabilize ox. stress. Gi tract); most common in newborns so given an injection within a few hours of birth: bacteria in the gut produce vit k- babies aren"t colonized yet which is why they receive a shot. Vitamin k in the diet: kale, spinach- dark greens.
