Bomb calorimetry successfully and meaningfully measures the total heat of combustion and energy content of foods and biological materials. While human metabolizable energy (absorbed calories) can differ from gross bomb-calorimeter values due to incomplete digestion, the calorimeter accurately measures the physical energy content.
The claim states that a bomb calorimeter can meaningfully measure food calories (i.e., energy content via heat of combustion). Retrieved papers such as [3] and [9] explicitly use bomb calorimetry as the reference method for measuring the heat of combustion and energy value of food products and biomass. While papers [0], [4], and [11] discuss how human metabolizable energy differs from Atwater factors or gross energy, this reflects physiological digestion rather than a failure of bomb calorimetry to measure the actual physical caloric/energy content of the food.