100 



FOOD NUTRIENTS 



Two guinea pigs of the same litter were fed 

 standard diets. The one on the right did not 

 get any vitamin C. It lost weight, and devel- 

 oped scurvy which is a type of malnutrition. 



polished rice and the other on whole grains of rice. In a short 



time, the first group developed a peculiar nervous disease, polyneu- 

 ritis or animal beriberi. The 

 group fed on whole rice re- 

 mained healthy. Polished rice 

 lacks a vitamin known as vita- 

 min B. When the polyneuritic 

 sufferers were given food or 

 water solutions made from rice 

 polishings, they recovered. 

 Vitamin B occurs in yeast, milk, and in the hulls or outer cov- 

 erings of grains and fruit. In fact, this vitamin is found in so many 



common foods that it is probably only an extreme diet of some 



kind that will induce beriberi. 



Two sets of guinea pigs were fed a diet containing evaporated 



powdered milk in addition to the basal foods required. In the 



case of one set, the 



milk was heated for a 



long period ; the other 



set of pigs was fed the 



unheated milk. The 



first group developed 



scurvy ; the second 



group remained 



health V. Tests show 



that vitamin C, which 



is present in milk and 



the lack of which 



causes scurvy, is, m a Leg disease, a type of rickets, may be due to lack of vita- 



1 1 min D. These chickens are the same age and received the 



large measure, ue- same amounts of different foods. Food containing vitamin 



StrOVed bv heat Pas- ^ ^^ ^''^^ sunlight wUl help to prevent and cure rickets. 



teurization of milk, therefore, mav destrov this vitamin. For this 

 reason, babies that are fed on pasteurized milk should be given 



