Anardana vs Sumac
The short answer
Two dark red fruit acids that are sprinkled for sourness and are otherwise unalike, which makes this a case where looking at the jar misleads. Sumac is the dried and ground drupe of a Rhus shrub, from the cashew family: dry, dusty, purely tart and astringent, with no sweetness at all, and it belongs to Levantine and Turkish cooking. Anardana is sour pomegranate seed from an unrelated family: sticky rather than dusty, fruity and faintly sweet under the acid, and it belongs to the Punjab. They sour a dish in different registers — sumac is a clean astringent lift over grilled meat and salad, anardana a fruity depth inside a chickpea or potato dish — and neither reads as the other. Sumac also carries a cashew-family consideration anardana does not.
Side by side
| Anardana | Sumac | |
|---|---|---|
| Botanical identity | Punica granatum L. | Rhus coriaria L. |
| Part used | seed, fruit | fruit, berry |
| Origin | Iran and the surrounding region of West and Central Asia, with a very long cultivated history and early spread west into the Mediterranean and east into South Asia. The material used for anardana specifically comes from the wild and semi-wild sour populations of the western Himalaya. | The Mediterranean basin and West Asia, with the plant growing wild across a broad arc from Sicily through Anatolia to Iran. |
| Flavour notes | sour, fruity, faintly sweet, astringent | sour, fruity, tannic, astringent, bright |
| Heat | Not established | Scoville does not apply |
| Flavour | Sharply sour, with a fruity sweetness behind it and a faint astringency at the finish. The acidity arrives first and does not have the clean single-note edge of citric acid — there is dried-fruit depth under it, which is what distinguishes it from amchur and from lemon. | Sharply sour with a fruity, almost cranberry-like character and a tannic, mouth-drying finish. The sourness is clean and lingering, without the sharp immediacy of vinegar, and unlike lemon it brings no bitterness from peel and no liquid at all — which is exactly why it is used where a wet acid would ruin the texture. |
| Aroma | Faint and fruity, closer to raisin or prune than to fresh pomegranate, with a slight winey edge. It is a mild-smelling spice — the interest is in the taste, not the aroma, which is unusual in this dataset. | Faint. A light fruity, slightly resinous smell with a tannic edge, but sumac is nearly silent in the jar compared with the aromatic spices, and its aroma is not what it is for. |
Which should you buy?
Anardana
Buy whole. This is one of the stronger cases in the dataset, and for an unusual reason: quality here is visible in the whole grain and invisible in the powder. Anardana that is mostly bare seed with little pulp looks obviously poor as grains and looks like anything else once milled, and the powder is a natural place to bulk out a batch. The whole seed also keeps two to four times as long. The one genuine argument for the powder is that grinding anardana is a nuisance — the sticky pulp gums the mill — and that is a real inconvenience rather than a reason, since pounding it in a mortar with a pinch of the dish’s salt works and takes a minute.
Sumac
This is the one common spice where the usual "buy whole" advice mostly does not apply. Whole sumac drupes are hard to source outside Middle Eastern grocers and awkward to grind well, because the aim is to mill the flesh while excluding the hard seed — which is a job for a mill and a sieve, not a domestic grinder. Buying ground is the normal and reasonable choice. Spend the effort instead on buying unsalted sumac from a supplier that states its origin, and on buying small quantities often, since colour is what fades.
Full detail on anardana and sumac, including evidence grades and sources for every claim above.