PHAR 300 Study Guide - Final Guide: Megaloblastic Anemia, Vitamin B3 Complex, Vitamin B6
10 Jan 2019
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Word comes from vital amines , but not all vitamins are amines. Vitamins are cofactors in many important reactions and are essential in trace amounts for normal growth and function. All great apes have lost the ability to synthesize vitamins except for vitamin d and must take them from outside sources. Causes: poverty, poor diet (fast food, diets, etc. , alcoholism. Populations at risk: elderly (poor diets, pregnant women, people with chronic diseases of gi tract causing malabsorption, people taking some medications, alcoholics, vegans, undernourished populations. Retinoids come from animal sources such as dairy, meat, eggs. Carotene is found in certain animals (like shrimp), but is mostly found in red/orange vegetables such as carrots, beets, squash . Development of teeth, smooth and skeletal muscle. Leads to blindness, abnormal function of epithelial tissues, impaired immune response. Golden rice: genetically engineered to produce vitamin a. The photopigments contain retinal attached to opsin. Different photopigment/opsin specialize in capturing different wavelengths of light.
