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Author Question: One way to determine the total energy in calories of a food is to burn it in a device called a bomb ... (Read 60 times)

Collmarie

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on: Apr 11, 2021
One way to determine the total energy in calories of a food is to burn it in a device called a bomb calorimeter. The heat produced during combustion minus the heat added to begin the combustion is the total calories in the food. The typical human digestive tract does not absorb all of the calories in food; thus it is not 100% efficient. Also, calories in indigestible organic compounds may not be absorbed at all, and thus can be considered to be "zero calorie" relative to human nutrition. Artificial sweeteners and fats are designed to produce desired sensation in the mouth without being absorbed. These are organic compounds that would release heat in a bomb calorimeter, thus they technically have calories.
A. What does this suggest about the accuracy of the bomb calorimeter in determining available food calories for humans? What would be the results of bomb calorimetry of human feces?
B. What is it about a particular food substance that may prevent absorption of its calories?
C. What happens to the "zero-calorie" molecules as they pass through the digestive tract? What are the potential effects on defecation?
Human Physiology: An Integrated Approach ¦ Silverthorn ¦ 8th Edition
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Marked as best answer by Collmarie on Apr 11, 2021

vseab

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Reply #1 on: Apr 11, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Collmarie

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Reply 2 on: Apr 11, 2021
Great answer, keep it coming :)

sailorcrescent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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