Buscar
Estás en modo de exploración. debe iniciar sesión para usar MEMORY

   Inicia sesión para empezar

level: Fiber

Questions and Answers List

level questions: Fiber

QuestionAnswer
Dietary fiber is found in _______ and is __digestable/indigestable_____ by humansplants indigestible
Functional fiber is _________into foodsadded
Which of the following are insoluble: Cellulose Hemicellulose Lignin Pectin Resistant Starch B-Glucans Fructans Gums PsylliumCellulose Hemicellulose Lignin
Which of the following are soluble: Cellulose Hemicellulose Lignin Pectin Resistant Starch B-Glucans Fructans Gums Psylliumhemicellulose pectin resistant starch B-Glucans Fructans Gums Psyllium
All soluble fibers are fermentable or gel forming except: (4)Hemicellulose, resistant starch and Fructans are NOT gel-forming Psyllium is NOT fermentable
metamussel is a type of __________ fiberPsyllium
Mucilages is another name for _________psyllium
Gel forming fiber helps withglucose regulation
Fermentable fiber helps withmicrobiota health: prebiotic
The viscosity of fiber helps with:feeling satiety
What is the list of other functional fibers (5)Chitin Resistant Dextrins Polydextrose/polyols oligiosaccharides galactans Ol of us in the GALAxy should RESIST CHeating POLEASE
Inulin is an example of a ________ Bonus: What are characteristics of this fiber?Fructan Soluble and fermentable
food sources of fructans include (3):Chicory flavoring vegetables bananas
RS1 and RS2 =dietary/non fermentable fiber
RS3 and RS4 =fermentable fiber
What are food sources of functional resistant starches?Green Bananas Corn Flour
T/F Resistant starches contain less calories and don't effect the tasteTrue
Prebiotics help the host because after bacteria eat fiber, they release (2)SCFA decrease PH
Decreasing the stomach pH is a positive becauseit kills bad bacteria
SCFA are food because they (2)fuel for L-cells Feed colon
L cells release what hormones? (3)GLP-1 PYY CCK
Where are L cells found?Large intestine
GLP-1 and PYY are hormones that do what in the brain: (1)decrease appetite
GLP-1 and PYY are hormones that do what in the Liver: (3)Decrease glucose output decrease lipogenesis decrease FFA accumulation
GLP-1 and PYY are hormones that do what in the Pancreas: (2)increase insulin secretion decrease beta cell apoptosis
GLP-1 and PYY are hormones that do what in the skeletal muscle: (2)increase FFA uptake increase glucose uptake
SCFA are compounds that end with -_____ except for one called ______-ate Hexanoic Acid
What SCFA is fuel for skeletal tissue?Acetate
What SCFA is fuel for Liver?Proprionate
What SCFA is fuel for Colon?Butyrate
SCFA are proposed to (4)increase anorectic gut hormones (Leptin) increase insulin sensitivity regulate cell prolif/apop in the colon anti inflammatory
SCFA contain how many calories?1.5-2.5 kcal/g
transit time in the colon:40-70 hrs
transit time in the SI3-6 hrs
transit time in the stomach2-5 hrs
gel forming fiber (Both soluble and insoluble) can decrease LDL levels by: (2)inhibiting cholesterol absorption bind with bile
Fiber interferes with absorption of which minerals: (5)Ca Cu Fe Mg Zn + carotenoids
disease conditions aided by fiber: (6)CVD Constipation Diabetes Diverticular Disease Hypertension Obesity OH CD CD
How much fiber should females get:25 g/d
How much fiber should males get?38 g/d
how many grams of fiber per 1000kcals14 g