nutrition, carbohydrates and lipids. carbohydrates fiber –insoluble – cellulose –soluble –...
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![Page 1: Nutrition, Carbohydrates and Lipids. Carbohydrates Fiber –Insoluble – cellulose –Soluble – gums and pectins –Benefits? Keeps you regular Decreases](https://reader034.vdocuments.net/reader034/viewer/2022051115/56649d555503460f94a32fa8/html5/thumbnails/1.jpg)
Nutrition,Carbohydrates and Lipids
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Carbohydrates
• Fiber– Insoluble – cellulose– Soluble – gums and pectins– Benefits?
• Keeps you regular• Decreases chances of some cancers• Decreases blood cholesterol levels
– Fruits, vegetables, and whole grains– Most in US get only half they should have
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Energy Storage
• Carbohydrates already partially oxidized– Not as much energy/g (4 Cal/g)– Not too good for animals since they need to
move around
• Hydrocarbons have more than twice as much energy/g
• Fats & oils are much more like HC’s
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Lipids
• Insoluble in water– Large hydrocarbon sections
• Have a greasy feel
• Soluble in organic solvents
• 95% of lipids in diet are fats and oils
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Fats and Oils
• Triglycerides– Three fatty acids on a glycerol (glycerin)
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Fats and Oils
• Triglycerides– Three fatty acids on a glycerol (glycerin)
• Saturated fats have saturated fatty acids
• Unsaturated fats have unsaturated acids
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Fats and Oils
• Triglycerides– Three fatty acids on a glycerol (glycerin)
• Saturated fats have saturated fatty acids
• Unsaturated fats have unsaturated acids
• Saturated fats pack better – solids
• Unsaturated fats don’t pack as well – liquids
• Common oils and fats
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H20 – C7
• 24 - 26, 28, 29, 32, 34 - 36, 47 - 49, 53, 61