NTR 306 Chapter Notes - Chapter 10: Flavin Adenine Dinucleotide, Nicotinamide Adenine Dinucleotide, Vitamin B3 Complex
Document Summary
Based on solubility: 9 water-soluble: b vitamin complex and vitamin c. Digesting and absorbing water-soluble vitamins: 4 fat-soluble: vitamins a, d, e and k. Solubility influences a vitamin"s: digestion, absorption, transportation, storage, excretion. Unlike most mammals, humans don"t have the ability to make their own vitamin c: must obtain through diet [essential vitamin] Rda for adults: males 90 mg/d, females 75 mg/d, smokers an additional 35 mg/d, upper limit 2000 mg/d. Toxicity consuming too much can cause: nausea, stomach cramps, diarrhea. Plant sources are the major food sources. Key protein in our connective tissues, cartilage and tendons: antioxidant. Can protect from damage by free radicals and reactive oxygen species. Can be generated during normal metabolism and through exposure to toxins and pollutants. Essential for the transport of fat to mitochondria, for conversion to energy: synthesis of the neurotransmitter, norepinephrine. Critical to brain function and are known to affect mood.