COMPOSITION AND FOOD VALUE 167 



It will be seen from the above analysis that the cacao 

 bean is rich in fats, carbohydrates and protein, and 

 that it contains small quantities of the two stimulants, 

 theobromine and caffein. In the whole range of animal 

 and vegetable foodstuffs there are only one or two 

 which exceed it in energy-giving power. If expressed 



Cocoa and Chocolate Despatch Deck at Bournville. 



in quite another way, namely, as " food units," the 

 value of the cacao bean stands equally high, as is shown 

 by the following figures taken from Smetham's result 

 published in the Journal of the Royal Agricultural 

 Society, 19 14 : 



" Food Units." 



Turnips 8 



Carrots 12 



Potatoes 26 



Rice 102 



Corn Flour 104 



Wheat 106 



Peas 113 



Oatmeal 117 



Coconut 159 



Cacao Bean 1 83 



These figures indicate the high food value of the raw 

 material ; we will now proceed to consider the various 

 products which are obtained from it. 



