NUTR 3210 Lecture Notes - Lecture 5: Anomer, Stereospecificity, Stereoisomerism
10 Feb 2018
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Digestion & function (how the foods we eat actually get into our (cid:271)od(cid:455) talk a(cid:271)out spe(cid:272)ifi(cid:272)s related to carbs) Impact on health (how 3 macronutrients come together in different phases, how our body uses these macronutrients) Why is this important: biological systems are stereospecific (there are certain types of sugars that are important to us and some not, from a nutritional perspective) Same molecular formula and sequence, but differ in 3d space due to chiral carbon atoms. What is a chiral carbon: a carbon with four different atoms or groups! (they determine whether enantiomers or not) Different types: enantiomers (mirror images) (more talked about in this course, diastereomers (not a mirror) (not talked about in this course) Chiral carbon: counting begins with carbonyl carbon. Exist in 2 forms: d vs. l: determined by the oh group on the highest chiral carbon, oh on the right = d, oh on the left = l.
