ASPEN ch 11 - EN formulations Flashcards
EN labels can make ____ claims without approval of FDA
structure and function
EN practice recommendations regarding EN formula selection:
veracity dependent on vendors, clinicians/consumers responsible determine veracity of info, interpret labeling and claims with caution
most EN formulations contain _____ (CHO), polymeric uses primarily ____ solids and hydrolyzed use ____
oligo/polysacc; corn syrup; maltodextrin and hydrolyzed cornstarch
common sources of fibre in EN
guar gum, soy fibre
what do SCFAs do?
energy for colonocytes, help ^ intestinal mucosal growth, promote water/Na absorption
what does insol fibre do?
decrease transite time by increasing fecal weight
fibre may be good for ___ and should be avoided if at high risk for ___
diarrhea; bowel ischeia and severe dysmotility
most common sources of LCT in EN
corn and soybean oil
why MCT may be advantageous?
absorbed directly into portal circ and no need chylomicron form for absorption, don’t need pancreatic enzymes/bile salts for digest/absorb, cleared from blood quickly and cross mito membrane without need for carnitine
what are structured lipids?
chemical re-esterification of LCT and MCT on same glycerol backbone
most common types of intact protein in EN?
casein, soy
is N absorption > with peptide based formulations or free a.a.?
peptide based
why add glutamine/arginine?
wound and muscle repair
what is osmolality?
concentration of free particles, molecules, or ions in given solution and expressed as milliosmoles per kg water
other than _____ hyperosmolality, osmolality of EN formulation has little to do with tolerance
simple sugar related
