Gum Arabic

Botanical Source Acacia senegal or Acacia seyal
Common Name Gum Arabic, Acacia Gum
Form Dried exudate (lumps, granules, or powder)
Appearance Irregular pieces or fine powder
Color Pale yellow to light brown (solid); white to cream (powder)
Odor Odorless or very faint characteristic odor
Taste Bland or slightly sweet
Solubility Freely soluble in water; insoluble in alcohol
Moisture Content Maximum 10–15%
Ash Content Maximum 4%
Viscosity (5% solution) 4–10 mPa·s at 25°C (depends on grade and origin)
pH (5% solution) 4.0–5.5
Foreign Matter Not more than 0.5%
Bulk Density (Powder) 0.4–0.7 g/cm³