HPED 2507 Lecture 9: Carbohydrates Part 1
6 Oct 2016
School
Department
Course
Professor
Document Summary
Carbohydrates harness the sun"s energy to fuel life. Plants make carbohydrates through the process of photosynthesis. Glucose is the energy source for the plant and creatures that eat the plant. First link in the food chain that supports all life on earth. Major source of energy for people throughout the world. Staple foods such as pasta, rice, cassava, beans and bread. About 50% of total calories consumed by north americans come from cho. Primary role in the body is to supply energy. Alcoholic sugars and alcohol are chemical relatives of carbohydrates. Simple cho facts small molecules (require little or no digestion to be absorbed) Glucose and a fructose make sucrose (or table sugar ) Glucose and a glucose make maltose ( malt sugar ) Glucose and a galactose make lactose ( milk sugar ) Disaccharides are broken down during digestion; only glucose, fructose and galactose are absorbed into the bloodstream. High-fructose corn syrup and alcohol sugars are also simple sugars.
