Frazão, Carlos. Castanha do Brasil. Belém: [s.n.], 1935. 73 p.

25 The foregoing shows that the proporti on of hydrates of carbon is large, in comparison to that of protein, and we can, therefore, consider the "Brazil Nnt" a nourishing fruit food, suitable for adults and, speciality, for those employed in strenuous work of any description. The energies released by the combustion of a determined quantity of combustible substances, constitutes its calorific power, as determined by the calorimic pump; this power varyi11g in accor– dance with the substance employed . The energies used up by the human body are obtained by the oxydation of combustible compounds from the fuod, which is in tum supplied by the combustion of hydrates of carbon, fats and proteins. ln arder to determine this energy, the coeficients supplied by the calorimic pump are used; however, in the human organism, due to the fact of losses produced by the combustion of the food, this coefficient is reduced to the following substances : Carbo hydrates . Fatty subsfances .. . . . Azot substãnces . .. . . 4 cal per gramme 9 cal per grarnme 4 cal per gramme Applying these substances to those contained by the "Brasil Nut", we have: Protein . . . . Fat .. ... .... . Carbo hydrates . . . . . 17 X 4= 68 67 X 9= 603 7 X 4= 28 equal to 699 calories, 14 grames of kernels being necessary to 100 degrees of calorific energies to the human body. Comparing the nurishing value of the "Brasil