Foods and Nutrition 1021 Chapter Notes - Chapter 7: Epithelium, Otolith, Visual Phototransduction

• School: Western University
• Department: Foods and Nutrition
• Course: Foods and Nutrition 1021
• Professor: Noelle Martin

Document Summary

Compounds in foods converted to active vitamins. The only disease a vitamin can cure is the one caused by a deficiency of that vitamin! Summary of information for each vitamin: table 7. 3 pp 251-252 (fat- soluble vit), table 7. 4 pp 253-255 (water soluble vit), including other names, deficiency & toxicity symptoms. B vitamins (thiamin [b1], riboflavin [b2], niacin [b3], folate, b12, Absorbed into the lymph, travel in the blood in association with protein carriers. Stored in the liver & body tissues. May be toxic in excess from supplements (a,d, k) Deficiencies occur with low intake or fat malabsorption. _________ & ______________(converted by cells from retinol) Deep orange fruits & dark green leafy vegetables [sweet potatoes, carrots, spinach, bok choy", broccoli, apricots, mango, cantaloupe] Most abundant carotenoid precursor for vitamin a. Convert b-carotene [& other carotenoids] to retinol. Takes 12 ug b-carotene to equal 1 ug retinol for the body. B-carotene in excess not toxic compared to retinol; turns people.