( 79 ) 
that Wine is convertible into as ftrong a 
Vinegar. Sugar, by rubbing in a Mortar, 
incorporates with Oil. Hence Boerhaave 
well obferves, that perhaps in all Nature 
there is to be found no other Body belides, 
in which all thefe Properties confpire. Hence 
it is plain, that Sugar is a pure Soap, a Com- 
bination of Oil and Salt, or a true effential 
oily Salt, which with Oil makes an extem- 
poraneous Soap. From this foapy Nature 
of Sugar, when it is diluted with the animal 
Juices, they make a kind of foapy Lye, 
which by the Force of Circulation diffolves 
fatty, oily, and vifcous Bodies or Juices ; 
and breeds not, but cuts, thins, and diffolves 
Flegm, and increafes not, nor turns to Bile, 
but opens, thins, and diffolves it ; yet by 
diffolving the Fat or Oil of the Body too 
much, it may produce Leannefs ; or by 
attenuating too much, it may occafion 
Weaknefs and Relaxation, and therefore in- 
jurious in feveral Difeafes. But Sugar, on 
Diftillation, Boyle long ago obferved, con- 
tains an acid penetrating Spirit, which rots 
the Teeth of its exceffive Confumers, and 
expofes them to bad Fevers. Sugar being 
a kind of Soap, the more refined mu ft be a 
great 
