70 COCOA AND CHOCOLATE. 



of fat makes it a very nourishing article of 

 diet, and it is therefore useful in weak 

 states of the system, and for healthy men 

 under circumstances of great exertion. It 

 has even been compared to milk. In 

 South America cocoa and maize cakes are 

 used by travellers, and the large amount 

 of agreeable nourishment in small bulk 

 enables several days' supplies to be easily 

 carried. By roasting, the starch is changed 

 into dextrin, the amount of margaric acid 

 increases, and an empyrematic aromatic 

 substance is formed." 



Baron von Liebig, the famous chemist, 

 says : 



" It is a perfect food, as wholesome as 

 delicious, a beneficent restorer of exhausted 

 power ; but its quality must be good, and 

 it must be carefully prepared. It is highly 

 nourishing and easily digested, and is fitted 

 to repair wasted strength, preserve health, 

 and prolong life. It agrees with dry tern- 



