142 



THE CHEMISTRY OF THE PLANT 



Higher Alcohols. 



>CH-CH2(0H)) 



Normal propyl 



CsHaO, (CH3-CH2-CH2- 



(OH)) 

 Normal butyl 



C4H10O, (CH3-CH2-CH2 



CH2(0H)) 

 Isobutyl [ CHsN 



C4H10O, ■; 



i CH/ 

 Isobutyl carbinol 



[ CH3N 



C5H12O, ■( 



I CH3/ 



Glycerine 



C3H8O3, (CH2(0H) ■ 

 (OH) -CHzCOH)) 



Mannite 



CeHuOs, (CH2(0H)-CH- 

 (OH) -CH(OH) -CH(OH) 

 -CH(OH) -CH2OH) 



Dulcite (formula as for man- 

 nite). 



These are grouped imder the 

 name "fusel oil" and are pro- 

 duced in small quantities dur- 

 ing the fermentation processes 

 that lead to the production of 

 ethyl alcohol. The commonest 

 are the following. 



>CH-CH2- 



-CH- 



Also found in Roman 



mile oil. 



CH2(0H)) 



See under /a(s, below. 



In leaves of lilac and celery, 



in sugar cane, especially in the 



manna ash {Fraxinus ornus) 



and in many fungi. 



In Euonymus, Melampyrum, 



etc. 



Sorbite (formula as for mannite) In service berries. 



Perseite 



CjHieOj, (CH2(0H)-(CH- 



(OH))6-CH2(OH)) 

 Fats and Fatty Oils. 



In seeds of the avocado, 

 (Persea gratissima) . 



These are distinguished read- 

 ily from the so-called ethereal 

 or aromatic oils in that the 

 former leave grease spots on 

 paper while the spots formed 

 by the latter disappear on 

 evaporation. The chief fats 

 and fatty oils are esters of the 



