Pandan

• daun pandan

  Indonesian

  Daun means leaf. "Pandan wangi" — fragrant pandan — distinguishes the aromatic species from the many other Pandanus grown for fibre and fruit.

• daun pandan

  Malay

• bai toeyใบเตย

  Thai

• lá dứa

  Vietnamese

  Dứa on its own means pineapple; lá dứa, "pineapple leaf", is pandan. The two are unrelated and the name causes regular confusion in translated recipes.

• rampeරම්පේ

  Sinhala

  The Sri Lankan name, and the one under which the leaf appears in curry recipes from that island alongside curry leaf.

• rambaரம்பா

  Tamil

• pandan

  Filipino

  In the Philippines the name is also applied to other Pandanus species used for weaving, so context distinguishes the culinary leaf.

Mild and slightly sweet, grassy, with the same rice-like character as the aroma and a faint nuttiness. Much of what is perceived as flavour is aroma; the leaf itself is not eaten and contributes almost nothing on the tongue.

Immediately recognisable as new-cooked fragrant rice, with grassy freshness over it and a soft sweetness underneath that reads as coconut or vanilla to many people. The rice association is not fanciful — it is the same compound — and it is the fastest way to describe pandan to someone who has not met it.

Deep glossy green, and a strong dye — pounded or blended leaf gives the natural green of Southeast Asian cakes and puddings, though a much paler and greyer green than the commercial pastes people expect.

Tough, fibrous and inedible. The leaf is knotted, steeped or pounded and then removed — it is a flavouring vessel rather than an ingredient, in the way a bay leaf or a bouquet garni is.

• 2-acetyl-1-pyrroline — The whole character of the spice, and the same compound that makes basmati and jasmine rice smell as they do — present here at far higher concentration, which is why a leaf in the pot makes ordinary rice smell fragrant. Highly volatile, which is why drying ruins the leaf.
• Various green-leaf volatiles — The grassy freshness over the top, and the first thing lost when the leaf is stored badly.

Knot it, add it late, take it out. Knotting is not decoration — bruising the leaf ruptures the cells that hold the aroma, and an unbruised leaf dropped into a pot gives very little. Two or three knotted leaves flavour a pot of rice, a pan of coconut milk or a syrup; they are removed before serving because the leaf is tough and not eaten. The aroma compound is volatile, so add the leaf part-way through a long simmer rather than at the start, and steep off the heat where the recipe allows. For colour and a stronger flavour, blend fresh leaf with a little water and strain through muslin — the resulting green is much softer and greyer than commercial pastes lead people to expect, and that is what real pandan looks like. Frozen leaf goes in straight from the freezer, knotted, without thawing. Dried leaf is not a substitute and neither is kewra water, which is a different species and smells of roses.

The default aromatic of Southeast Asian cooking and baking. Knotted leaves go into rice, coconut milk, curries, rendang and syrups and are removed before serving; blended and strained leaf gives the green colour and flavour of kuih, chiffon cakes, jellies and puddings across Indonesia, Malaysia, Thailand, Vietnam and the Philippines. In Sri Lanka it is a savoury aromatic used with curry leaf and lemongrass. It belongs with coconut, palm sugar, rice, glutinous rice, mango, banana and chicken, and it sits alongside lemongrass, curry leaf, galangal and cinnamon. Its most useful single trick is that a knotted leaf in the pot makes ordinary long-grain rice smell like fragrant rice, which is the same compound doing the same work.

• infusing — Knotting the leaf and steeping it is the standard preparation, and the knotting is the load-bearing half. Bruising ruptures the cells that hold the aroma; an intact leaf dropped into a pot gives very little, which is why every tradition knots it rather than laying it in whole.
• boiling — Brief simmering extracts the aroma into a liquid readily. Prolonged boiling drives off the volatile compound, so the leaf is usually added part-way through or steeped off the heat rather than boiled for an hour.
• grinding — Blending or pounding fresh leaf with water and straining gives the green aromatic extract used for colouring and flavouring cakes and puddings. This is the strongest preparation and the one that gets the colour as well as the scent.

Tear a leaf across and smell the torn edge immediately. Good pandan, fresh or frozen, gives a clear scent of new-cooked fragrant rice within a second or two. A leaf that gives nothing on tearing has nothing left to give a dish, and a dried leaf usually gives nothing at all.

• No scent when a leaf is torn.
• Yellowing or browning from deep green.
• Slimy or blackened patches on refrigerated fresh leaf, which means discard.
• Freezer burn — dry pale patches on frozen leaf, which costs aroma rather than making it unsafe.

Buy the leaf, frozen if not fresh, and treat dried pandan as a different and much worse product rather than as a convenient version of the same one. This is the sharpest case of that kind in the dataset: pandan’s character rests almost entirely on one highly volatile compound, and drying removes most of it, so a dried leaf is not a faded version of a fresh one so much as a green strip that smells of hay. Freezing, unusually, preserves it well — the leaf goes into the pot straight from the freezer, knotted, without thawing, and performs close to fresh. Pastes are a separate decision rather than a fallback: they are bought for a uniform green and a consistent dose in baking, jobs a leaf cannot do, and the good ones say concentrated leaf extract on the label while the rest are flavouring and colour.

• Deep green, firm, unbruised leaves — fresh or frozen, not dried.
• A clear scent of cooked fragrant rice when a leaf is torn. This is the whole test and it takes a second.
• Frozen rather than dried where fresh is unavailable, since freezing keeps the aroma and drying does not.
• For pastes, read the ingredients: some are concentrated leaf extract and some are flavouring and green dye, and a vivid uniform green suggests the latter.
• Sold in the chilled or freezer cabinet of a Southeast Asian grocery rather than on a dry spice rack.

No published international grading specification applies, because pandan is not traded as a dried spice commodity. What a buyer is choosing between is fresh, frozen, dried and extracted, and that choice matters far more than any grade would: fresh and frozen are the product, dried is a poor imitation, and extracts vary between genuine concentrate and flavoured dye.

Pandanaceae

A shrubby perennial forming clumps of long, narrow, bright green strap-shaped leaves with a prominent midrib, spiralling around a short stem — the "screwpine" of the English name. Unusually among cultivated aromatics it is not known to flower or set seed reliably, and is propagated entirely from offshoots.

Island Southeast Asia, most probably the Maluku region, with cultivation spread across the whole of Southeast Asia and into Sri Lanka and southern India in antiquity. Because the plant does not set seed, its entire distribution is the result of people carrying offshoots.

• ID — major producer
• MY — major producer
• TH — major producer
• VN — notable producer
• LK — notable producer. Where the leaf, as rampe, is a standard element of curry alongside curry leaf.
• PH — notable producer

Mature leaves cut from the outside of the clump as required, year round. There is no season and no single harvest — the plant is cropped continuously, which is part of why it has never become a traded commodity in dried form.

1. Cutting and washing — Mature leaves cut at the base and washed.Why: The leaf is used fresh; there is no curing step.
2. Freezing, for export — Leaves washed, sometimes cut into lengths, and frozen for shipment to markets outside the growing region.Why: The only preservation method that keeps the aroma substantially intact, and the reason frozen pandan is the realistic option outside the tropics.
3. Extraction, for paste and essence — Leaves blended with water and strained, or extracted industrially, to give a green aromatic liquid concentrated into pastes and essences.Why: Convenience and colour. Commercial pastes vary enormously in how much of the product is actually leaf extract.

No published international grading specification applies, since the leaf is traded fresh and frozen within and from the region rather than as a dried spice commodity. Quality is judged on the leaf itself: deep green, unbruised, and aromatic when torn.

Overwhelmingly a garden and smallholding plant rather than a field crop. A clump in a courtyard supplies a household, and much of what reaches urban markets comes from small growers cutting leaves as needed rather than from plantations. It is productive, perennial and demands very little.

Wet tropical lowland — warm, humid and never cold. Pandan will not tolerate frost and grows poorly in dry heat, which is why it has remained a Southeast Asian and Sri Lankan crop and why it is a houseplant rather than a garden plant in temperate countries.

A very old Southeast Asian domesticate whose history is unusually legible from its biology: the cultivated plant does not set viable seed, so every clump in the world descends from offshoots carried by people, and its spread across the region and on to Sri Lanka and southern India is a record of movement rather than of trade. It never became a spice-route commodity for the plain reason that it does not dry — the thing that made pepper and cloves worth shipping is exactly what pandan cannot do. It stayed a garden plant, and reached the rest of the world only when freezing and air freight made a fresh leaf portable.

Traded fresh within the region and frozen out of it, alongside a substantial trade in pastes and essences. There is no significant dried-leaf commodity trade, and the modern export of frozen leaf to diaspora and specialist markets is recent and depends entirely on the cold chain.

Recorded in Southeast Asian and Sri Lankan traditional practice for a range of uses, and the leaf is also used domestically as an air freshener and, in some places, placed in cupboards against insects. Held as cultural context. SpiceHQ holds no clinical source on pandan and makes no health claim about it.