HUMNNTR 2210 Lecture Notes - Lecture 16: Arthralgia, Spinach, Beta-Carotene

• School: Ohio State University
• Department: Human Nutrition
• Course: HUMNNTR 2210
• Professor: Bomser Joshua

Document Summary

Casimir funk (cid:862)vita(cid:373)i(cid:374)e(cid:863) (cid:1005)9(cid:1006)(cid:1006: unidentified substances in food that can prevent disease. Fat soluble vitamins: vitamins a,d,e,k, similar mechanisms for absorption and excretion, do(cid:374)"t have to (cid:271)e (cid:272)o(cid:374)su(cid:373)ed daily, excess can be toxic, relatively stable during processing. In plant foods: yellow and orange fruits and veggies. Night blindness ultimate blindness: maintains body linings and skin. Via mucus: bone growth and reproduction. Vitamin a deficiency: cells stop secreting mucus, become dry and hard and die. Vitamin a: role in skin: vitamin a-like acne drugs. Retin-a (topical: can cause toxicity teratogen. Precursor active vitamin a: beta carotene (precursor, retinol (active) Vitamin a deficiency: night blindness, stunting of growth, xeropthalmia, skin problems, problems with cells that line respiratory, digestive, and genitourinary tracts, abnormalities of enamel-forming cells of the teeth, less frequent in developed countries, major problem worldwide. 150,000 deaths / yr in indonesia: vitamin a supplements can reduce death rates in half.