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15 Cards in this Set
- Front
- Back
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Nutrients |
-Carbohydrates -proteins -lipids -vitamins -minerals |
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Metabolism |
-Digestive enzyme -glucose catabolism -protein catabolism |
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What is Nutrition |
the process of providing or obtaining the food necessary for health and growth. |
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6 classes of nutrients in two categories |
Macronutrients -water -carbohydrates -lipids -proteins Micronutrients -vitamins -minerals
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Essential amino acids |
Nutrients cannot be synthesized by body -minerals -vitamins -9 amino acids -fatty acids |
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Carbohydrates |
Monosaccharides Disaccharides Polysaccharides |
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Lipids
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Triglycerides phospholipids cholesterol Dietary fats fatty acids
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1.Triglycerides 2.Phospholipids 3.cholesterol 4.Dietary Fats |
1.storage of energy 2.important structural component of membranes 3. precursor of steriod 4. Important for absorption of vitamins |
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Vitamins |
Not used as fuel but essential for other nutrients |
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Fat soluble vitamins |
Vitamins A D K E |
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Minerals |
Elements extracted from soil or water |
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Dietary Fiber |
Not considered a nutrient -cellulose -pectin -lignin |
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2 categories of metabolism |
Anabolsim - molecules synthesized from small molecules Catabolsim - molecules broken down to smaller molecules |
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Digestive Enzymes |
Amylase - degrades polysaccharides to oligo and disaccharide Lipase - degests lipids Pepsin - digests proteins to shorter peptide chains Trypsin - breaks down peptides to amino acids
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Glucose Catabolism |
Monosaccharides absorbed from digested food: -glucose -galactose -fructose |
