NUTR 3340 Lecture Notes - Lecture 1: High-Density Lipoprotein, Trans Fat, Saturated Fat
Document Summary
A fat-soluble, clear liquid found in animal products. A precursor of estrogen, testosterone, and vitamin d. Ex: trans and saturated fats and cholesterol. Ex: monounsaturated, polyunsaturated, linolenic, epa, and dha. 20-35% of calories from fat, limiting unhealthful fats as much as possible. Linoleic acid: 17g/day for men, 12 g/day for women. Alpha-linolenic acid: 1. 6g/day for men, 1. 1g/day for women. Thiamin, riboflavin, niacin, b6, folate, b12, biotin, pantothenic acid, choline, c. Iodine: selenium, copper, manganese, chromium, molybdenum, sodium, potassium, chloride. Best to drink water and non-alcoholic beverages. Alcoholic beverages increase water loss through urine. Nutrigenomics- study of nutrient-gene interactions and effects of these interactions on health (also called nutritional genomics) Genes code for enzymes and protein synthesis which affect body functioning. Interaction of genetic and environmental factors including nutrition. High glycemic index carbohydrates increase the risk of type 2 diabetes in some individuals. Alcohol intake during pregnancy in some women sharply increases the risk of fetal alcohol syndrome.