PPT-Chapter 5: Lipids: Oils,

Fats Phospholipids and Sterols CHAPTER 5 LIPIDS OILS FATS PHOSPHOLIPIDS AND STEROLS At the end of this chapter you should be able to Discuss benefits and risks associated with dietary . Chapter 29. 2. Lipids. are . biomolecules. that are soluble in organic solvents.. The identity of lipids is defined on the basis of a physical property and not by the presence of a particular functional group.. Lipids. Essential . macronutrients. Provide . energy. Building blocks for cell membranes. Form many important hormones. Help transport fat-soluble nutrients. Contribute to flavor and texture of . food. . 2003-2004. Lipids. 2003-2004. Large biomolecules that are made mostly of carbon and hydrogen with a small amount of oxygen (sometimes Phosphorous).. Lipids . Monomer subunits . Glycerol and 3 fatty acids. Lipids are non-polar. (hydrophobic) . organic compounds, insoluble in water, . soluble in organic . solvents (ether, acetone, . carbontetrachloride. ). . They contain carbon, hydrogen, and oxygen; sometimes nitrogen and phosphorus. . Fats and Oils. Classification of Nutrients. Carbohydrates. Lipids. – . 9 calories per gram. Protein. Vitamins. Minerals. Water. LIPIDS. Most . concentrated. source of food energy. Provide . 1899-1945: Founding of Vandemoortele. Local manufacturer and supplier to soap and cattle feed industries becomes. national producer of bulk edible oils. 1946-1997: Vertical integration & diversification. 3.4 What Are Lipids?. Lipids. are a diverse group of molecules that contain regions composed almost entirely of hydrogen and carbon. All lipids contain large chains of nonpolar hydrocarbons. Most lipids are therefore hydrophobic and water insoluble. 1899-1945: Founding of Vandemoortele. Local manufacturer and supplier to soap and cattle feed industries becomes. national producer of bulk edible oils. 1946-1997: Vertical integration & diversification. CHAPTER 10. UNIT. TARGETS. DESCRIBE THE MOLECULAR STRUCTURE 3 types of lipids: GLYCERIDES, PHOSHOLIPIDS, AND STEROLS. DEFINE SATURATED, MONOSATURATED AND POLYUNSATURATED FATTY ACIDS.. LIST CATEGORIES OF LIPIDS BASED ON PHYSICAL STATE AND DIETARY SOURCES. Triacylglycerols/Triglycerides. Chemical name of Fat/Oil is . Triacylglycerol. . (TAG).. TAG is a . Simple, Glycerol based ,Neutral Lipid.. Chemical Structures Of . Triacylglycerol (TAG). Triacylglycerol/. 1. Lipids. Lipids, commonly referred to as fats, a. re substances of biological origin.. Soluble in organic solvents such as chloroform . and methanol. . Fats, oils, certain vitamins and hormones, and most non protein membrane components are lipids.. PSC 3110 – Fall semester 2008. Introduction. Definition: water insoluble compounds. Most lipids are fatty acids or ester of fatty acid. They are soluble in non-polar solvents such as petroleum ether, benzene, chloroform. Lipids. : . are a group of naturally occurring substances include a diverse group of organic compounds including . fats, oils, hormones. , and certain components of membranes (. phospholipids. ). All of these substances relatively insoluble in water but soluble in organic solvents like: chloroform, ether and benzene.. are a large and diverse group of naturally occurring organic compounds that share some general . properties. .. General Properties of Lipids. Insoluble . in water.. Soluble in non-polar organic solvents .