328 PLANT AND ORGANIC CHEMISTRY 
TABLE I.—PENTOSE, PENTONIC ACID, 
I 
2 
3 
4 
COH 
H - OH 
HO - H 
H - OH 
CH 2 OH 
l Xylose. 
1 Xylonic acid. 
COH 
HO - H 
H - OH 
HO - H 
CH 2 OH 
/Mirror 
COH 
HO - H 
HO - H 
HO— —H 
CH 2 OH 
l Ribose. 
1 Ribonic acid. 
Images.! 
COH 
H - OH 
H - OH 
H - OH 
CH 2 OH 
9 
IO 
C 
. H — 
H — 
H — 
C 
Ribo-trioxy 
Adonite (ir 
:ooh 
— OH 
— OH 
— OH 
:ooh 
r glutaric acid, 
tactive). 
IT — 
HO — 
IT — 
i 
Xylo-trioxy| 
Xylite (inac 
COOH 
— OH 
— H 
— OH 
COOH 
^lutaric acid. 
:tive). 
HEXOSE, HEXONIC ACIDS, HEXITE AND 
x 3 
14 
I 5 
16 
COH 
COH 
COH 
COH 
IT — 
— OH 
HO¬ 
— H 
HO — 
— H 
H — I — OH 
IT — 
— OH 
HO— 
— H 
H — 
— OH 
HO— — H 
HO¬ 
— H 
H — 
— OH 
HO — 
— H 
H- -OH 
HO— 
— H 
H — 
— OH 
H — 
— OH 
HO — 1—H 
ch 2 oh 
CH 2 OH 
CH 2 OH 
CH 2 OH 
l Mannose. 
d Mannose. 
l Idose. 
d Idose. 
/ Mannic acid. 
d Mannic acid. 
1 Idonic acid. 
d Idonic acid. 
The configurations of the acids correspond- 
b. DULCITE 
27 
28 
29 
3 ° 
COH 
COH 
COH 
COH 
HO —I 
— H 
H — 
— OH 
HO¬ 
— H 
H — 
— OH 
H — 
— OH 
HO¬ 
— H 
HO— 
— H 
IT — 
— OH 
H — 
— OH 
HO— 
— H 
HO¬ 
— H 
H — 
— OH 
HO — 1 
— H 
H — 
— OH 
HO— 
— H 
H — 
— OH 
CH 2 OH 
CH 2 OH 
CH 2 OH 
CH 2 OH 
l Galactose. 
d Galactose. 
1 Galactonic acid. 
d Galactonic acid. 
