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.