What is the density of the stored energy in adipose tissue (body fat)?

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The discussion centers on the energy stored in human fat, specifically questioning the energy density and its variability among individuals. It references adipose tissue being composed of approximately 80% fat, leading to an estimated energy density of 30.16 kJ/g when calculated using specific values. The conversation highlights a lack of available studies on how energy density may differ among different people, indicating a need for more research in this area. The focus remains on understanding the energy content of human fat and the potential variations in energy density across the population.
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I think the title is self-descriptive. This question stuck in my mind. I want to learn how much energy is stored in human fat.

Does this amount of energy density change in every human?
If so what is the variance of this distribution?
 
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According to this wikipedia page on Adipose Tissue, it is 80% fat. Assuming this value is a percentage by mass, and using energy density values from this site, energy density of adipose is 0.8*37.7= 30.16 kJ/g

I don't know how this varies among different people, nor could I find any studies regarding this question.
 
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