Product knowledge
How Is Gum Arabic Harvested?
Gum arabic is harvested by tapping: small cuts are made in the bark of acacia trees, sap seeps out and hardens in the air over several weeks into brittle, amber-coloured nodules called "tears," and those tears are then picked by hand. It's a slow, seasonal, largely manual harvest rather than a mechanised extraction, carried out across a broad savannah belt of acacia trees, most heavily in Sudan.
The process hasn't changed much in principle for centuries — bark, sap, sun-drying, hand-collection — though modern tapping tools have made the incision step faster and gentler on the tree. What varies is the acacia species tapped and the conditions of collection, which is what ultimately produces the different commercial grades buyers see.
The tapping process, step by step
Harvesters cut shallow incisions into the bark of a mature acacia tree, usually timed to the dry season. Sap oozes from the wound and air-dries where it sits, hardening over roughly four to six weeks into the rounded, glassy nodules known as tears. Those tears are hand-picked from the branch, sorted by size and colour, and bagged for onward cleaning and grading — there's no chemical processing at this stage, just controlled wounding, drying and collection.
Where most of the world's gum arabic comes from: Sudan's gum belt
Sudan is consistently reported as the source of the large majority of the world's traded gum arabic, produced across a vast acacia savannah known informally as the "gum belt," spanning a swath of central Sudan roughly one-fifth the size of the country. Trees there can be tapped from around three years of age, though yield and quality become more consistent once a tree reaches about five years — a long runway before a stand becomes commercially productive, which is part of why supply can be sensitive to weather and political conditions in the region.
From nodules to grades: hashab vs. talha
Not all gum arabic comes from the same acacia species, and the species determines the commercial grade. Gum tapped from Acacia senegal — known locally as hashab — is generally treated as the premium, grade-one gum, valued for its clarity and reliable solubility in food and pharmaceutical use. Gum from Acacia seyal, known as talha, is treated as a second grade with a different texture and behaviour. Buyers sourcing gum arabic for food applications should know which species (and grade) a shipment is, since hashab and talha aren't interchangeable in every recipe.
Where it shows up in a Levantine pantry
In our own range, Arabic Gum is stocked under herbs & teas rather than the spice aisle, reflecting its traditional role as a thickener and stabiliser in drinks, sweets and confections rather than as a seasoning. It's a completely different resin from mastic gum, which comes from a different tree entirely — the two are easy to conflate because both are traded loosely as "gum," but neither substitutes cleanly for the other.
Related questions
Is gum arabic plant-based?
Yes — it's hardened acacia tree sap with no animal-derived component, tapped and air-dried rather than manufactured.
Does tapping harm the acacia tree?
Controlled tapping is a traditional harvest method practised on the same trees across multiple seasons, which points to it being sustainable when done correctly — over-tapping or poor technique can stress a tree, which is part of why experienced harvesters follow set spacing and timing practices.
What's the difference between hashab and talha gum?
Hashab comes from Acacia senegal and is generally graded higher for clarity and solubility; talha comes from Acacia seyal and is treated as a second-grade gum with different handling characteristics.