What is sumac?
Sumac is the dried fruit of the tanner's sumac shrub (Rhus coriaria), a member of the cashew family (Anacardiaceae) alongside pistachio and mango. The shrub grows wild and cultivated in the mountains of the Levant, Turkey, Iran, the Caucasus and the Mediterranean basin. The part used is the cluster of small dark red drupes, which are dried, rubbed and coarsely ground, sometimes with a little salt, to give the familiar tangy red-purple powder. The name is the same across Egypt, Iraq, the Levant and the Gulf, summaq, from an Aramaic word meaning "red".
Sumac was the Arab kitchen's principal souring spice before lemons arrived from India; the Abbasid cookbooks of Baghdad such as Kitab al-Tabikh record "summaqiyya" dishes built around it. It remains the heart of fattoush, musakhan, kebab and za'atar in the Levant, a fixture on Iraqi kebab, tikka and sliced onion, a garnish for liver and salads in Egypt, and a finishing spice for grilled fish and salads in the Gulf.
Varieties and origins
The species is the same everywhere, but origin, altitude, harvest timing and drying make clear differences in colour and acidity. Turkey (Gaziantep, Hatay and Adana), Syria and Lebanon are the main sources of premium sumac, together with Iran and northern Iraq.
Sumac Whole Turkish
Whole dried berries in large grains, rubbed or ground at the point of use, with a deep ruby-red colour and a strong, balanced acidity with a fruity edge. It comes from south-eastern Turkey and is prized for consistent quality and abundant supply. Choose it for restaurants and blenders who prefer to grind their own, and wherever maximum tang and colour are wanted.
Sumac Whole Lebanese
Gathered in the mountains of Lebanon and the Levant, with smaller, more aromatic clusters, a softer, fruitier acidity and a colour leaning to purple. It is the traditional favourite for fattoush, musakhan and premium Levantine za'atar.
Sumac Ground
A ready-to-use powder, medium-coarse ground from whole berries, traditionally with a small amount of salt for preservation and flavour. Convenient for home and restaurant use; it should be freshly ground with a natural dark red colour and no additives.
| Variety | Origin | Character | Best use |
|---|---|---|---|
| Whole Turkish | South-eastern Turkey | Strong acidity, deep red, large grains | Restaurants, own grinding, kebab |
| Whole Lebanese | Lebanon and the Levant | Aromatic, fruity, purple tone | Fattoush, musakhan, premium za'atar |
| Ground | Turkey / Levant | Ready to use, medium grind | Home cooking, salads, garnish |
Quality standards and grades
There is no dedicated ISO standard for sumac, but the general spice standards apply (ISO 948, ISO 939, ISO 928), together with Codex CXS 326-2017 and the ESA minima. Turkey has a national standard (TS 12594), Iran has its own, and Egyptian standards treat sumac within the spices and condiments group. The dominant quality issue is adulteration: banned synthetic dyes (Sudan dyes and Rhodamine B used to boost redness), excessive salt, added citric acid to raise acidity, or dilution with coloured bran and husks. Serious laboratories screen for these dyes by HPLC.
| Parameter | Typical acceptable value | Note |
|---|---|---|
| Moisture | Max. 10–12 % | Sumac is hygroscopic and cakes when damp |
| Total acidity (as malic acid) | 3–5 % | Source of the natural sourness |
| Added salt | Max. 5–8 % in ground sumac | Whole sumac should be salt-free |
| Total ash | Max. 7 % | Rises with excess salt or foreign matter |
| Synthetic dyes | Not permitted | Screen for Sudan dyes and Rhodamine B |
| Extraneous matter | Max. 1–2 % | Twigs and large seeds |
| Tannins | 4–8 % typical | Responsible for the light astringency |
These values are typical commercial figures rather than mandatory unless local law says so, while the ban on synthetic dyes is binding in every market. By the senses: good sumac has a natural dark red-purple colour that is matt rather than vivid, a sour fruity smell and a refreshing tart taste with light astringency and salt that never dominates. A very bright orange-red colour, strong staining on the fingers, or a taste that is saltier than it is sour are signs of adulteration.
Whole versus ground: processing
Whole sumac keeps longer and is ground as needed in a spice mill, then sifted to remove the hard seeds. Traditionally the berries are rubbed with a little salt, soaked in water and pressed to produce "sumac water" for musakhan, salads and pickles. Sumac is never toasted, since heat destroys its acids and colour; it is added at the end of cooking or sprinkled over the finished dish.
Culinary uses
In the Levant it is the soul of fattoush, the backbone of Palestinian musakhan with onions and olive oil, a component of the za'atar blend, and a garnish for hummus, ful and kibbeh nayyeh. In Iraq it is served over kebab, tikka and sliced onion beside the grill, and in some dolma and soup recipes. In Egypt it is sprinkled on Alexandrian liver, tomato salads and grilled fish; in the Gulf it finishes grilled fish, salads and modern mezze.
Dosage: one to two tablespoons per kilogram of meat in marinades, and a teaspoon per salad. It pairs with onion, olive oil, thyme, mint, garlic and lemon, and suits chicken, fish, minced meat and aubergine.
Storage and shelf life
Store in an airtight container away from light and humidity. Whole sumac holds its quality for 18–24 months and ground sumac for 9–12 months before the colour fades and the acidity softens. Ground sumac can be refrigerated to keep its colour stable. Avoid wet spoons, which cause caking and mould.
Traditional and health uses
Classical Arab medicine valued sumac as an astringent, a digestive aid and a remedy for stomach upsets. Modern studies highlight its richness in antioxidants (flavonoids, tannins and anthocyanins) and report encouraging preliminary results on blood sugar and lipid control, though most are small trials needing confirmation. Culinary sumac is not toxic and must not be confused with poison sumac (Toxicodendron), which has white berries.
The Sheikh Al-Attareen range
- Sumac Whole Turkish
- Sumac Whole Lebanese
- Sumac Ground
Sheikh Al-Attareen selects sumac from trusted growers and suppliers in Turkey and Lebanon, and tests every shipment in our laboratory for the absence of synthetic dyes and for moisture, salt, acidity and extraneous matter. Our ground sumac is milled in small batches and packed at our facility in Mansoura to guarantee freshness. It is available at our branches in Egypt, Iraq (Baghdad and Erbil) and Syria (Homs), and through our online store.
Frequently asked questions
What is the difference between Turkish and Lebanese sumac?
Turkish sumac is sharper and darker and suits grills and grinding; Lebanese sumac is more aromatic and fruity and is the favourite for fattoush, musakhan and za'atar.
How can I spot adulterated sumac?
A very bright orange-red colour, heavy staining on the fingers, or a salty taste that overpowers the sourness all point to added dyes or salt.
Does sumac contain salt?
Whole sumac is salt-free. Ground sumac may traditionally carry a small amount for preservation, and it should stay within a limited proportion.
Can sumac be cooked?
It is best added at the end of cooking or over the finished dish, since prolonged heat destroys its colour and acidity.