Assay (as gum): ≥ 97.0%.
Appearance: White to off-white powder, odorless.
Identification: Passes test for acacia.
Loss on Drying: ≤ 12.0% (at 105°C for 5 hours).
Total Ash: ≤ 3.5%.
Acid Insoluble Ash: ≤ 0.3%.
Tannin-Bearing Gums: Passes test.
Starch: Negative (no blue color with iodine solution).
Dextrin: Negative.
Microbial Limits: Total viable aerobic count ≤ 1000 cfu/g, yeasts and molds ≤ 100 cfu/g.
Arsenic (As): ≤ 2 ppm.
Lead (Pb): ≤ 5 ppm.
pH (10% solution): 4.0-4.8.
Viscosity: 1% solution shows characteristic viscosity.
Enzyme Activity: No detectable amylase, protease, or cellulase activity.