Gum constituents (Vol. 4)
Proceed as directed under Gum Constituents Identification, using galactose and mannose as standards. Galactose and mannose should be present
Microscopic examination
Place some ground sample in an aqueous solution containing 0.5% iodine and 1% potassium iodide on a glass slide and examine under a microscope.
Tara gum contains groups of round to pear-shaped cells; their contents are
yellow to brown.