Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


--polysaccharide that can not be digested by human enzymes
--digested by bacteria
--adds bulk to feces
--comes from plants

dietary fiber

fiber found in food naturally

functional fiber

fiber added to food that must be associated with health benefits

total fiber

dietary+functional fiber

types of insoluble fiber

--cellulose (Celery, wheat)
--lignin (non carb, root veggies, wheat bran)

foods with insoluble fiber

--whole grains
--all plants
--wheat, rye, rice

physiological effects of insoluble fiber

--increases fecal bulk
--decreases intestinal transit time

types of soluble fiber

--pectins (apples, citris)
--gums (oatmeal)
--mucilages (beans)
--some hemicelluloses

foods with soluble fiber

--apples, bananas, oranges
--barley, oats
--kidney beans

physiological effects of soluble fiber

--delays stomach emptying
--slows glucose absorption
--can lower blood cholesterol

foods generally high in fiber

whole grain products, fruit, veggies

beneficial effects of fiber

--promotes feeling of fullness
--prevents constipation, hemorrhoids
--prevents diverticulosis
--reduces blood cholesterol levels
--bile binds to it and is excreted
--slow digestion and absorption of carbs
--reduces risk of colon cancer

fiber DRI for 50 years <

males = 38g/day
females = 25g/day

fiber DRI for 50 years >

males = 30g/day
females = 21g/day

DV for fiber

upper limit=40, lower limit=27

problems with too much dietary fiber

--feel full too fast
--bind and excrete minerals
--make stool hard (intestinal blocking)

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording