From starch: Commercially glucose is obtained by hydrolysis of
starch by boiling it with dilute H2SO4 at 393 K under pressure +
H
6
10
5 n
2
6
12
6
393K; 2-3  atm
(C H
O )
+ nH O
nC H
O
→
    Starch or cellulose
     Glucose
Glucose is an aldohexose and is also known as dextrose It is the
monomer of many of the larger carbohydrates, namely starch, cellulose It is probably the most abundant organic compound on earth