Food Lipids

Aug 28, 2012

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DESCRIPTION. This course will cover an in-depth study of chemical and physical properties of edible fats and oils and the roles of their functional properties in food systems. Major topics covered will be chemistry of triglycerides, auto and thermal oxidation, antioxidants, chemical reactions in de

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Food Lipids

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Lipids

Class Presentations Will be Discussed at the End of Class. Exams back next MondayNo class this Wednesday !!!!!. Lipids. Main functions of lipids in foodsEnergy and maintain human healthInfluence on food flavorFatty acids impart flavorLipids carry flavors/nutrientsInfluence on food textureSol

1.87k views • 122 slides

LIPIDS

LIPIDS. What are lipids?. FAT CELL. main component in every living cell. Organic have carbon chains with attached hydrogen atoms and a carboxyl group at one end. Made up of C, H, O, just like carbs. So what’s the difference? STRUCTURE!. Use of lipids in the body.

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Lipids

Lipids. Waxes, Fats and Oils. spermaceti (from sperm whale). triacylglycerol. palmitic acid. fatty acid long chain carboxylic acid even number of carbons saturated or unsaturated carbon chain if unsatrurated, usually cis geometry. palmitoleic acid. Soaps (Saponification) and Detergents.

1.14k views • 44 slides

Lipids

Lipids. Aims. Elements of lipids Structure of glycerol & fatty acids Condensation reactions to form triglycerides Phospholipids. http://www.youtube.com/watch?v=vccnaNSwUs4. What does this have to do with lipids? How does the hump help the camel survive?

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Lipids

Lipids. Chapter 26. Lipids. Lipids: a heterogeneous class of naturally occurring organic compounds classified together on the basis of common solubility properties. So, lipids are non-polar molecules having different structures. they are insoluble in water but are

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Lipids

Lipids. Large non-polar organic molecules that do not dissolve in water. Lipids Overview. They are large organic molecules They contain carbon, hydrogen, and oxygen Stores fats as long term energy Contains lots of calories 2x the amount of carbohydrates

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Lipids

PL. GL. TAG. GPL. SL. SL. FA. S. FA. FA. C. MS/OS. P. A. Lipids. Eric Niederhoffer SIU-SOM. Storage (neutral). Membrane (polar). G. FA. P. G3P. Glycerophospholipids. General Structure. PA. Net Charge pH 7 = -1. PC. PI45BP. Net Charge pH 7 = 0. Net Charge pH 7 = -4.

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LIPIDS

LIPIDS. As. Introduction.

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Lipids

Lipids. Lipids are composed of:. Carbon Hydrogen Oxygen BUT: Lipid molecules have a larger number of Carbon and Hydrogen and a smaller number of Oxygen than Carbohydrates. “CHO”. Properties of Lipids. Fats, oils, and waxes are lipids.

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Lipids

Lipids. Macromolecule #2: Lipids. Hydrophobic (nonpolar) = insoluble in water Contain C, H, O (less O than carbs), sometimes P Main types: Triglycerides (fats & oils) Phospholipids Steroids. 1. Triglycerides (fats & oils). Saturated = each C has 4 single covalent bonds with H

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Lipids

Lipids. Lipids. long-term energy storage do not consist of polymers insoluble in polar substances structural components of cells – ex. phospholipids are the major building block in cell membranes "messengers" (hormones) . Lipid Construction.

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Lipids

Lipids. Lipids. Lipids Molecules made up of mostly carbon and hydrogen atoms (and some oxygen atoms too) Used for storing energy Important part of cell membranes. Lipids. 4 classes Triglycerides 1 glycerol molecule, 3 fatty acid molecules Energy source, insulation Phospholipids

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Lipids

Lipids. Lipids. Made up of C, H and O Can exist as fats, oils and waxes They are insoluble in water They are a good source of energy (9 k cal / g ) They are poor conductors of heat Most fats & oils are triglycerides. Lipids. Biomolecules that contain fatty acids or a steroid nucleus.

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Lipids

Lipids. Aim : What are the building blocks of lipids? Do Now : Identify the four major groups of organic compounds . Identify the process in which several monosaccharides form a polysaccharide (or disaccharide) chain of sugars? What is added/removed during this process?

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LIPIDS

LIPIDS. Classification of lipids. Triglycerides or triacylglycerol Waxes Phospholipids or Phosphoglycerides Steroids. Triacylglyerol. Fats : triglycerides which are solid at room temperature ( most saturated triglycerides, e.g. beef, fat, or lard)

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Lipids

Lipids. Fats, Oils, Etc. Made up of…. Carbon Hydrogen Oxygen. Function. Energy Storage and Insulation 9 calories per gram versus 4 calories per gram for carbohydrates. No MONOMER!! (Gasp!). Because the structure of every lipid is so different, we cannot label a “monomer”

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Lipids

Lipids. Draw this. There are three types of lipids: triglycerides , phospholipids , and steroids . Fats consist of one glycerol molecule and three fatty acid molecules. When these molecules combine in a chemical reaction called dehydration they form one molecule of triglyceride.

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LIPIDS:

LIPIDS:. 1) Fats = 2) Oils =. Functions of Lipids:. 1) 2) 3) 4) 5) 6). Types of Lipids:. 1) Triacylglycerols: (triglycerides, TG’s) 2) Phospholipids: 3) Isoprenoids:. 3 Types of Fatty Acids:. 1) 2) 3). Chain Length. 2-6 C’s = 8-10 C’s = 12 or more C’s =.

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LIPIDS

LIPIDS. Part II: Digestion, Absorption, Transportation & Metabolism. Digestion of Triglycerides. Goal: Triglyceride >>> monoglycerides glycerol fatty acids. Digestion. Mouth. Tongue. Salivary glands. Sublingual salivary gland. Stomach. Gallbladder. Liver. Pancreatic duct.

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Lipids

Lipids. Biology A/Biochemistry. 4 Types of Macromolecules. Carbohydrates Main source of energy. Quick source of energy. Lipids Alternate source of energy. Long term storage of energy. Proteins Build structures such as bone and muscle. Nucleic Acids Store and transmit genetic information.

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LIPIDS

LIPIDS. Dr. Noha Soliman. Definition. Lipids are complex molecules composed of carbon , hydrogen , and oxygen . Lipids are insoluble in water and soluble in nonpolar solvents. Most lipids are non-polar and are hydrophobic because they contain hydrocarbon chains.

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Lipids

Lipids. Iva Klimešová. Like carbohydrate, a lipid molecule is composed of carbon , oxygen , and hydrogen atoms linked together in a specific and unique way. There are three different functions for lipids in our bodies: Energy source Energy storage

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