6 



BULLETIN 123, U. S. DEPARTMENT OF AGRICULTURE. 



Water. — This substance, essential to life, forming over 60 per cent 

 of the average human body, is present in almost all foods but in 

 varying proportions. Even the dry cereals and other seeds contain 



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 Fig. 2. — Composition of apple (a), banana (6), and dried fig (c). 



10 per cent or more. In the fresh and the succulent vegetables 

 watery juice is often apparent to the sight or touch or will be yielded 

 by pressure. Most dry seeds must be soaked and cooked in water 

 before they are ready to eat. 



