Uziza

• uziza

  Igbo — south-eastern Nigeria

  In Igbo the word covers both the seed and the leaf, which are used quite differently — the leaf goes into soups near the end, the seed is ground as a pepper. A recipe saying uziza usually means the leaf if it is a soup and the seed if it is a spice mix.

• iyere

  Yoruba — south-western Nigeria

• sasema

  Twi — Ghana

• Guinea pepper

  English

  Ambiguous and best avoided. The same trade name has been applied to grains of selim and to grains of paradise, which are unrelated plants from unrelated families. The name records where European traders bought things rather than what they were.

Pungent and markedly bitter, with a cooling finish. The bitterness is the point rather than a defect: in a pepper soup it is what cuts the fat and gives the broth its edge, and a soup made with black pepper instead tastes hot and flat.

Peppery with a distinct green, herbal edge and a faint citrus lift — recognisably a Piper and not black pepper. The leaf is more strongly herbal and less peppery than the berry.

Small dark brown to black wrinkled berries, often stalked, noticeably smaller than cubeb. The fresh leaf is glossy mid green.

Hard brittle berries that grind cleanly; the leaf is soft and shreds.

• Piperine — The pungency, by the same mechanism as black pepper and cubeb — it acts on the heat-and-irritation nerve endings rather than being a capsaicinoid.(what piperine is)
• Beta-caryophyllene — The woody, peppery base note shared with black pepper and cloves.(what β-caryophyllene is)

Grind the berries fresh and add them early, as you would black pepper in a long-cooked dish — the bitterness needs time to extract. Add the leaf in the last few minutes and no earlier, because sustained boiling takes the herbal quality and leaves a flat bitterness. Use less than a black-pepper quantity to begin with: uziza is roughly as pungent and considerably more bitter, and the bitterness accumulates over a long simmer.

Two ingredients from one plant. The ground seed is a component of West African pepper-soup spice and seasons soups, stews and offal dishes, where its bitterness cuts fat that chilli heat alone would not. The fresh leaf is a soup green, shredded into ofe nsala and uziza soup near the end of cooking for a herbal, faintly peppery note. Outside West Africa and its diaspora it is barely used, which is a gap rather than a judgement.

• grinding — Ground fresh into pepper-soup spice mixtures. Like black pepper it keeps its pungency long after its aroma has gone, so an old ground packet is bitter and hot and no longer herbal.
• boiling — Simmered in soups and broths, where the bitterness extracts steadily. The leaf goes in near the end and the ground seed near the beginning, which is the practical division between the two ingredients.
• toasting — Briefly dry-toasted before grinding in some preparations, which rounds the raw green edge.

Crush a berry and smell. Fresh uziza gives a green herbal note over the pepper; an old sample smells only of pepper and tastes only of bitterness, which is the least useful half of it.

• No herbal note on crushing
• Bitterness with no aroma behind it
• Limp or blackening leaf

• Loss of the herbal and citrus fraction from the dried berry, leaving bitterness and heat
• Wilting and rot in the fresh leaf

Whole berries, ground as needed. The herbal and citrus fraction that distinguishes uziza from black pepper is the part that disappears from a ground packet, and what remains is bitterness and heat — which is the half a cook could have got from pepper.

• Bought under a local name — uziza, iyere, sasema — rather than as Guinea pepper, which names three different spices.
• Whole berries rather than ground, so the identity can be checked.
• A green herbal note over the pepper when a berry is crushed.
• For the leaf: frozen rather than dried, which loses almost everything.

Piperaceae

A climbing perennial vine of West and Central African forest, related in habit to black pepper and grown up supporting trees. The fruits are borne in short spikes and dry to small dark wrinkled berries, often retaining a short stalk. The leaves are heart-shaped, glossy and aromatic.

The forest belt of West and Central Africa, from Guinea through Nigeria and Cameroon into the Congo basin, where the vine grows wild and is also cultivated on a small scale.

• NG — origin. The largest culinary user, and the source of most of what is traded within the region and to the diaspora.
• GH — major producer
• CM — major producer
• CD — notable producer

Fruit spikes cut and dried; leaves picked fresh as needed and used within days.

1. Picking — Fruit spikes cut, generally before full ripeness.
2. Sun drying — Berries dried in the sun to a hard dark wrinkled seed, often with the stalk retained.Why: Preservation, and the same process that produces black pepper from a green berry.

The commercial risk is name-driven: material sold as Guinea pepper may be any of three unrelated spices, and ground product removes the ability to check. Buying whole berries with their stalks, from a West African grocer and under a local name, is the practical protection.

Grown on living supports where it is cultivated, and gathered from forest where it is not. Production is smallholder and dispersed, which is part of why supply outside the region is intermittent.

Wet tropical forest, with the shade and humidity a climbing Piper needs. Much of the supply is gathered from wild and semi-managed forest vines rather than planted.

Uziza was among the West African spices that reached Europe before the sea route to India opened, carried north across the Sahara and traded on the Guinea coast, and it appears in medieval European records under names that also covered grains of paradise and grains of selim. Like those two it was displaced in European use once Portuguese ships began bringing black pepper directly from the Malabar coast, and it returned to being a regional spice — which it has remained.

A substantial regional trade within West Africa and a significant diaspora trade in dried berries and frozen leaf. Not separately reported in the international production statistics.

A recorded material in West African herbal practice, and a documented postpartum food in parts of Igbo tradition. Recorded as tradition; SpiceHQ makes no health claim and holds no clinical source assessing it.