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10 Cards in this Set
- Front
- Back
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Calorie
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the amount of heat that will raise the temperature of 1 g of water 1°C; one thousand calories is a Calorie in dietetics and a kilocalorie (kcal)
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empty calories
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calories without nutritional value such as sugars and alcohol.
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Nutrient
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any ingested chemical that is used for growth, repair, or maintenance of the body
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6 classes of Nutrients
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water, carbohydrates, lipids, proteins, minerals, and vitamins.
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Macronutrients include
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water, carbohydrates, lipids, and proteins because relatively large quantities are needed
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three principle forms of dietary carbohydrates
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monosaccharides, disaccharides, and polysaccharides
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three major dietary disaccharides
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sucrose, lactose, and maltose
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monosaccharides
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glucose, galactose, and fructose
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A lipoprotein is
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a tiny droplet complex consisting of a core of cholesterol and triglycerides with a protein and phospholipid coating.
i. The coating enables the lipids to remain suspended in the blood and also serves as a recognition marker for cells that absorb them. ii. The complexes are often referred to as serum lipoproteins because their concentrations are expressed in terms of a volume of blood serum, not whole blood. |
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Lipoproteins are classified into four major categories
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chylomicrons
very-low-density lipoproteins (VLDLs) low-density lipoproteins (LDLs) high-density lipoproteins (HDLs |
