NUTR 3210 Study Guide - Final Guide: Tocopherol, Esterase, Ester

• School: University of Guelph
• Department: Nutrition
• Course: NUTR 3210
• Professor: David Mutch

Document Summary

Similarities: found in, nomenclature used to describe # and position of ring ch3 group. Differences: saturated side chain (phytyl tail, alpha= most methylated ring, the hydroxyl group is the antioxidant site, found free in foods. Absorbed passively: r and s configuration determined by first 3 methyl groups on side chain, natural a-tocopherol is rrr; fits in tocopherol transfer protein (ttp, unsaturated side chain (phytyl tail, found esterified in foods. Pancreatic esterase required for absorption: lower levels in food compared to tocopherols, have antioxidant activity in liver only; not converted to a-tocopherols or recognized by.