SHREE-INDO Cassia Gum Powder Cassia Gum is the purified flour from the endosperm of the seeds of Cassia tora/obtusifolia. It belongs to the Family Leguminosae. C. tora/obtusifolia which grows wild in the subtropical regions of the world and is occasionally cultivated. It is an annual ruderal plant that ripens after approximately 100 days. Cassia Gum is comprised of at least 75% polysaccharide consisting primarily of a linear chain of 1,4-_-D-mannopyranose units with 1,6-linked _-D-galactopyranose units. The ratio of galactose to mannose is 1:5.