PPT-Carbohydrates – Part 3

Monosaccharide Isomerases Isomerases Interconvert Aldoses and Ketoses Class of Enzymes Isomerases an enzyme that catalyzes the conversion of a specified compound to an isomer Two Important Sugar Isomerases. Complex and Simple. What’s the difference. Carbohydrates. Carbohydrates provide much of the fuel that keeps the body going.. Carbohydrates are the body’s most preferred source of energy. They make up the largest volume of our daily food. (60% of our food should be from Carbohydrates). Simple and Complex. Carbohydrates. Function-Energy Source. Carbohydrates are the body’s MAIN . source of energy. .. Carbohydrates. It is important that we ingest the “best” form of carbohydrates for our energy needs.. Ch. 9 A. Types of complex carbohydrates. Starches. Cellulose. Gums . Pectins. others. Starches. Polymers of sugar. Most abundant complex carb in the diet. Most have 100 to several 1000 . glucose. units in chains. Carbohydrates. We get most of our carbohydrates from the . GRAINS. group.. FRUITS. and . VEGETABLES. are also a good source of carbohydrates.. Almost all of our carbohydrates come from . PLANT. food sources.. . Role of Pectin in Making Jelly. IUG, Fall 2012. Dr. . Tarek. . Zaida. Facts About Carbohydrates. A. re widely available and inexpensive, and are used as an energy source for our bodies and for cell structures. . Objectives:. To explain . the requirements of a balanced . diet. To explain . the importance, and use, of macro nutrients (carbohydrates,. fats and protein. ). for personal health and wellbeing, and maintaining a healthy,. Carbohydrates are the basic nutrients that supply the body with the energy needed to sustain normal activity.. What do Carbohydrates do????. Carbohydrates are the main source of energy for the body . In order to survive, the human body needs the nutrients found in food. These nutrients, which perform a number of life-sustaining functions in the body, are divided into 6 main categories: carbohydrates, proteins, fats, vitamins, minerals and water. Each has a unique function in the normal growth and repair of the body.. Starches, Cellulose, Gums. and Pectins. Starches. – . most abundant complex carbohydrate in diet.. Composed of glucose . Main dietary source in U.S. is wheat flour. Nature’s reserve carbohydrate supply. Carbohydrates Carbohydrates serve a variety of functions E nergy storage and food Structure and support Lubrication Protection Recognition and signaling Component of nucleotides starch mucin (glycoprotein) Carbohydrates. Are the most common type of organic compound. Examples: Starch or sugar. Is used to store energy. Are built in repeating units to make a larger molecule. Contain only carbon, hydrogen, and oxygen. *. Most people are familiar with carbohydrates, one type of macromolecule, especially when it comes to what we eat. . *. To lose weight, some individuals adhere to “low-carb” diets. Athletes, in contrast, often “carb-load” before important competitions to ensure that they have enough energy to compete at a high level. . functional properties in . food products . Carbohydrates . in food. Many foods contain some . carbohydrates, . but the amounts of sugars, starch and fibre . differ.. Sugars . are naturally present in foods such as . SIMPLE & COMPLEX.. They are called carbohydrates because, at the chemical level, they contain carbon, hydrogen and oxygen.. Unlike essential amino acids and fatty acids, there are no essential carbohydrates. This means we can obtain everything we need nutritionally from other food sources, so carbs are not necessary to maintain life..