Nutrition Exam 1

mastication

the act of chewing

epiglottis

part of the GI tract that prevents a person from choking

bolus

portion of food swallowed at one time

probiotics

the living bacteria found in yogurt

lactose

one glucose and one galactose unit

functional fiber

extracted from plants and has a beneficial health effect

functional foods

foods that contain non-nutrient substances that promote well being

1 kilocalorie

energy required to raise the temperature of one kilogram of water 1 degree celsius

recommended dietary allowance

the amount of a nutrient that meets the needs of about 98% of a population

AMDR for carbohydrate

45 - 65%

anthropometric measure

body weight

proteases

enzymes responsible for hydrolyzing proteins in food

condensation

the reaction that links 2 monosacchrates together

fibers

cellulose, pectin, lignin and hemicellulose

cholecystokinin

released from cells in the presence of fat

gluconeogenesis

glucose from a noncarbohydrate substance

what is the normal range for blood glucose

70-110 mg/dL

minimum daily amount of dietary carbohydrate necessary to spare body protein from excessive breakdown

50-100g

glucagon

stimulates release of stored glucose

what is the recommended daily intake of dietary fiber

25

aspartame

a sweetener that people with PKU shouldn't have

essential nutrient

a nutrient needed by the body and must be supplied by foods

vitamins a and c

major nutrients supplied by fruits and veggies