|
Parameter |
Polysaccharide |
| Light Brown (LB) |
Dark Brown (DB) |
Pectin |
Acetyl content
Hydroxamic acid |
No red colour formed |
No red colour formed. |
Red colour formed. |
| Titration |
0 |
0 |
0-034 |
| Methoxyl content |
0.124 |
0.062 |
8.82 |
| Degree of esterification |
100 |
100 |
66.82 |
| Uronic acid |
3.44 |
3.45 |
62.90 |
|
| Seed colour: LB = Light brown and DB= Dark brown respectively. |
Table 4: Chemical properties of Tamarind seed polysaccharides and Commercial
Pectin. |
