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Science of Nutrition Final
The tits
10
Science
Undergraduate 1
12/07/2012

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Term
Organic Nutrient
Definition
A substance or nutrient that contains the element carbon.
Ex. Carbs, lipids, proteins, and vitamins
Term
Inorganic Nutrient
Definition
A substance or nutrient that does not contain carbon.
Ex. Minerals and water
Term
Macronutrient
Definition
Body needs in large amounts to support normal body function and health. (Carbs, lipids, proteins)
Term
Micronutrients
Definition
Needs in small amounts (Vitamins and Minerals)
Term
Fat Soluble Vitamins
Definition
Soluble in fat, stored in the human body, toxicity can occur from consuming excess amounts, which accumulate in the body. Ex. A,D,E, and K
Term
Water Soluble Vitamins
Definition
Soluble in water, not stored to any extent in the human body, excess excreted in urine, toxictiy generally only occurs as a result of vitamin supplementation. Ex. C, B vitamins
Term
What are the components of gastric juice?
Definition
Hydrochloric acid (HCL): Denatures proteins and activates pepsin.
Pepsin: Enzyme to digest protein
Gastric Lipase: Enzyme to digest fat
Intrinsic factor: Protein to absorb vitamin B12.
Term
Chyme
Definition
Liquid product of mechanical and chemical digestion in the stomach.
Term
Mucus
Definition
Layer that protects the stomach lining from the acid in gastric juices.
Term
Bicarbonate
Definition
Neutralizes the acid
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