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Chapter#1
Nutrition
42
Health Care
Undergraduate 4
01/29/2010

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Term
Essential Fatty Acids
Definition
Components of fat that are required part of the diet. Both contain unsaturated fatty acids.
Term
Amino Acids
Definition
The " building blocks"of protein. Unlike carbohydrates and fat,amino acids contain nitrogen .
Term
Calorie
Definition
A unit of measure of the amount of energy supplied by food also known as the kilocalorie.
Term
Daily Values
Definition
Scientific agreed upon standards for daily intakes of nutrients from the diet developed for use on nutrition labels.
Term
Essential Nutrients
Definition

Substance required for growth an health that cannot be produced or producedin sufficient amounts,by the body. They must be obtained from the diet.

 

Term
Fatty Acid
Definition
The fat souble components of fats in foods.
Term
Food insecurity
Definition
Limited or uncertain availaility of safe,nutritious foods
Term
Food security
Definition
Access at all times to a sufficient supple of safe,nutritious food.
Term
Glycemic Index
Definition
A measurement of to which blood glucose is raised by a 50 gram portion of a carbohydrate containing foo compared to 50 grams of glucose or white bread.
Term
Glycerol
Definition
A component of fats that is souble in water. It is converted to glucose in the body.
Term
Insulin Resistance
Definition
A condition is which cell membranes have a reduced sensitivity to insulin so that more insulin than normal is required to transport a given amount of glucose into cells
Term
Kwashiorkor
Definition
 A disease syndrome in children,primarily caused by protein deficiency. It is generally characterized by edema( or swelling ) ,loss of muscle mass,fatty liver,rough skin,discoloration of the hair ;growth retardation,and apathy
Term
Nonessential
Definition
Nutrients required for growth and health that can be produced by the body from other components of the diet.
Term
Nutrition
Definition
Chemical subtance in the body that are used by the body for growth and health
Term
Type 2 Diabetes
Definition
A disease characterized by high blood glucose levels due to the body's inability to use insulin normally,to produce enough insulin,or both.
Term
Prostaglandins
Definition
A group of physiologically active substances derived from the essenial fatty acids. They are present in many tissues and perform such functions as the constriction or dilation of blood vessels,and stimulation of smooth muscles and the uterus.
Term
Thromboxanes
Definition

Biologically active subtnaces produced in platelets aggregation,constrict blood vessels, and increase blood pressure.

 

Term
Saturated Fats
Definition
Fats in which adjacent carbons in the fatty acid components are linked by a single bonds only.
Term
Unsaturated Fats
Definition
Fats in which adjacent carbons in one or more  fatty acids are linked by one or more double bond.
Term
Monounsaturated Fats
Definition
Fats in which only one pair of adjacent carbons in one or more  of its fatty acids is linked by a double bond
Term
Polyunsaturated Fats
Definition
Fats in which more than one pair of adjacent carbons in one or more of its fatty acids are linked by two or more double bonds.
Term
Cholesterol
Definition
A fat souble ,colorless liquid found in animals but not plants
Term
Coenzymes
Definition
Chemical subtances that activate enzymes
Term
Metabolism
Definition
The chemical changes that take place in the body. The conversion of glucose to energy or body fat is an example of a metabolic process.
Term
Antioxidants
Definition
Chemical subtances that prevent or repair  damage to cells caused by explosure to oxidizing agents such as oxygen ,ozone , and smoke and to other oxidizing agents normally produced in the body. Many different antioxidants are found in foods;some are made by the body.
Term
Phytochemicals
Definition
Chemical subtanced in plants,some of which affect body processes in humans that may benefits health .
Term
Homeostasis
Definition
Constancy of the internal environment. The balance of fluids, nutrients, gases, temperature, and other conditions needed to ensure ongoing,proper functionin of cells and ,therefore,all parts of the body.
Term
Malnutrition
Definition
 Poor nutrition resulting from an excess or lack of calories or nutrients.
Term
Primary Malnurition
Definition
Manlnutrition that result directly from inadequate or excessive dietary intake of energy or nutients.
Term
Secondary Malnutrition
Definition
Malnutrition that results from condition rather than primarily from dietary intake.
Term
Nutrient-Dense Foods
Definition
 Foods that contain relatively high amounts of nutrients compared to their caloric value.
Term
Empty Calories Foods
Definition
Foods that provide an excess of calories realative to their nutrient conent.
Term
Dietary Supplements
Definition
 Any product intended to supplement the diet ,including vitamin and mineral supplements,proteins,enzymes ,amino acids,fish oil , fatty acids, hormones and hormones precursors, and herbs and other plant extracts. In the U.S,such products must be labeled "Dietary Supplement."
Term
Enrichment
Definition
The replacement of thiamin,riboflavin,niacin,and iron that are lost when grains are refined.
Term
Fortification
Definition
The addition of one or more vitamins or minerals to food products.
Term
Functional Foods
Definition
Generally taken to mean food,fortified food , and enhanced food products that may have health benfits beyond the effects of essential nutrients they contain.
Term
Prebiotics
Definition
Certain fiberlike  forms of indigestible carbohydrates that supports the growth of beneficial bacteria in the lower intestine. Nicknamed "intestinal fertilizer."
Term
Probiotics
Definition
Strains of lactobacilius and bifidobacteria that have beneficial effects on the body . Also called "friendly bacteria."
Term
Registered Dietitian
Definition
An individual who has acquired knowledge and skills neccessary to pass a national registration examination and who participates in continuing professional education.
Term
Anthropometry
Definition
The science of measuring the human body and its parts.
Term
Nutrition Surveillance
Definition
Continuous assessment of nutritional status for the purpose of detecting changes in trend or distribution in order to intiate corrective measures.
Term
Nutrition Monitoring
Definition
Assessment  of dietary or nutrition status at intermittent times with aim of detecting changes in the dietary or nutritional status of a population.
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