78 COMPANION TO TROPICAL READERS 



OTHER BEVERAGES 



(See Tropical Headers, Book II, pp. 160-162.) 



Expt. 182. Cocoa is a Nutritious Food containing 

 the following: 



(a) Fat. (i) Prepare "cocoa butter" from some 

 cured pods. 



(ii) Draw a cup of chocolate from native cocoa, and 

 observe the fat globules. 



(b) Starch. (i) Grate some cured cocoa beans, and 

 wash in a muslin bag over a vessel. 



(ii) Test with iodine, and observe the dark-blue 

 coloration due to starch. 



(c) Gluten. Grate some nuts, tie in a small muslin 

 bag, and wash under water. The sticky substance left 

 is partly gluten. 



Expt. 183. A Good Cup of Coffee. Divide a pint 

 of coffee into three portions. Parch one portion too 

 much, another too little, and the rest properly. Draw 

 a cup of coffee with each, and observe that only that 

 which has been correctly parched is palatable. 



Expt. 184. Preparation of a Cup of Tea. 



(a) Prepare a cup of tea by pouring boiling water on 

 to the leaves and letting it stand for two minutes. Pour 

 off, and observe clear colour and palatable taste. 



(b) Compare tea as drawn above with tea that has 

 been put in warm water and boiled for ten minutes. 

 Observe bitter taste and dark colour due to tannin. 



Expt. 185. Beverages. --Make rough drawings of 

 eight fruits from which beverages are obtained, e.g. 

 coffee, lime, coconut. 



