Net protein utilization: Difference between revisions

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Removed malformed unused reference. Replaced lead definition by one from a referenced source. Added more information. Removed claim not in given source.
Silver hr (talk | contribs)
Found reference for NPU formula in history; couldn't verify since I don't have access to the article.
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Certain foodstuffs, such as [[Egg (food)|egg]]s or [[milk]], rate as 1 on an NPU chart.
 
Experimentally, this value can be determined by determining [[diet (nutrition)|diet]]ary protein intake and then measuring [[nitrogen]] [[excretion]]. One formula for apparent NPU is:<ref>{{citationcite journal |last1=Blackburn |first1=GL |last2=Bistrian |first2=BR |last3=Maini |first3=BS |last4=Schlamm |first4=HT |last5=Smith |first5=MF |title=Nutritional and metabolic assessment of the hospitalized patient. |journal=JPEN. Journal of parenteral and enteral nutrition needed|date=November1977 2017|volume=1 |issue=1 |pages=11-22 |doi=10.1177/014860717700100101 |pmid=98649}}</ref>
 
:NPU = {0.16 × (24 hour protein intake in grams)} - {(24 hour urinary [[urea]] nitrogen) + 2} - {0.1 × ([[ideal body weight]] in kilograms)} / {0.16 × (24 hour protein intake in grams)}