Northern South America, Venezuela

Tonka Bean

Dipteryx odorata

botanical name

Amazonian legume, not a true bean

Venezuela

top producer

Bolívar state, Orinoco basin forests

Coumarin

primary compound

also found in sweet clover and hay

3g

per pod

one bean flavours 500 ml of cream

Profile

Dipteryx odorata is a species of flowering tree in the pea family, Fabaceae. The tree is native to Northern South America and is semi-deciduous. Its seeds are known as tonka beans, but sometimes spelled tonkin beans or tonquin beans. The seeds are black and wrinkled and have a smooth, brown interior. They have a strong fragrance similar to sweet woodruff due to their high content of coumarin.

Tonka beans — Dipteryx odorata — are the wrinkled black seeds of a giant leguminous tree that grows wild in the rainforests of the Guiana Shield, Venezuela, Colombia and Brazil. After curing, the kernel develops a high concentration of coumarin, yielding a complex aroma that is part vanilla, part cherry pit, part cut hay and part almond. In French three-star kitchens tonka is micro-grated over crème brûlée, chocolate ganache, foie gras, or infused into cream and milk; a single bean perfumes up to thirty servings. Coumarin is restricted in some countries — used in the traditional micro-doses, tonka is widely considered safe and is legal in the EU.

Process

01Feb–Apr

Flowering in Amazonian canopy

Dipteryx odorata trees flower in the upper forest canopy at 20–30 m. Trees begin producing around year 8 and fruit for 100 years.

02Jun–Aug

Pod fall and collection

Large woody pods (each containing one seed) fall naturally. Collectors walk the forest floor in Bolívar state, gathering by hand.

03Aug–Sep

Splitting and extracting

The hard outer shell is cracked open with a machete to reveal the shrivelled, aromatic dark seed inside — the tonka bean.

04Sep–Nov, 3 months

Rum maceration

Seeds are soaked in rum or cachaca, then sun-dried repeatedly. This process draws coumarin crystals to the surface, creating the white frosting.

05Your kitchen

Grate like nutmeg

Use a fine microplane: 3–4 passes over cream, ganache or vanilla ice cream. One bean replaces a vanilla pod in most recipes.

Inside the berry

The molecules that make it taste like Kampot — and not like anything else.

What the lab sees: 1–3% coumarin (hay-almond-tobacco), trace 3,4-dihydrocoumarin (sweeter), and a fatty matrix that releases the aroma slowly under heat.

1.5%

Coumarin

1.0–3.5% range, fermented seed

1954

FDA ban

in food in the United States

0.1%

EU max

in many baked goods (DE, NL)

25%

Fixed oil

fatty matrix that holds aroma

Volatile compound profile

  • Coumarin1.5%

    Hay, almond, tobacco — the dominant warm-sweet note.

  • 3,4-Dihydrocoumarin0.1%

    Sweeter, less herbaceous — rounds the coumarin.

  • Melilotic acid0.1%

    Hay-like precursor — appears during fermentation.

  • Vanillin (trace)0.0%

    Sweet creamy lift — explains vanilla cross-association.

  • Eugenol0.0%

    Clove warmth, light spice — supporting note.

  • Benzaldehyde0.0%

    Almond top — bridges coumarin and vanillin.

Versus other peppers

PepperPiperineOil
Venezuelan tonka
D. odorata · forest-fermented
1.6%26%
Brazilian cumaru
D. odorata · Amazon, hand-cracked
1.3%24%
Nigerian tonka
D. oppositifolia · weaker profile
0.9%22%
Synthetic coumarin
Salicylaldehyde route · flat
100%0%
Sweet woodruff
Galium odoratum · herbaceous proxy
0.6%0%

Cuisines

How the world cooks with it.

4 signature dishes

Tonka is the chef's quiet weapon — a fingertip of microplane shavings reads as 'almost-vanilla but more grown-up'.

  • Tonka crème brûléegrade: venezuelan

    A microplane pass over the warm cream — replaces or layers under vanilla.

  • Foie gras au tonkagrade: venezuelan

    Shaved on terrine before serving — meets the fat with hay and almond.

  • Tonka panna cottagrade: brazilian

    Cream infused with a cracked bean for 30 minutes — strain, set, top with red fruit.

  • Sauce à la fève tonkagrade: venezuelan

    Light butter sauce for white fish — last-second grating only.

Around the world

What it's called, from Phnom Penh to Palermo.

19 languages
🇸🇦 Arabicar

حبوب التونكا

hubub at-tunka

🇨🇳 Chinesezh

零陵香豆

Línglíng xiāng dòu

🇳🇱 Dutchnl

Tonkaboon

🇬🇧 Englishen

Tonka Bean

🇫🇷 Frenchfr

Fève Tonka

🇩🇪 Germande

Tonkabohne

🇮🇳 Hindihi

टोंका बीन

Tonka bean

🇮🇩 Indonesianid

Kacang Tonka

🇮🇹 Italianit

Fava Tonka

🇯🇵 Japaneseja

トンカ豆

Tonka mame

🇰🇷 Koreanko

통카빈

Tongkabin

🇮🇷 Persianfa

لوبیای تونکا

lubia-ye tonka

🇵🇹 Portuguesept

Cumaru

🇷🇺 Russianru

Бобы тонка

Boby tonka

🇪🇸 Spanishes

Haba Tonka

🇸🇪 Swedishsv

Tonkaböna

🇹🇭 Thaith

ถั่วทองก้า

Thua Thongka

🇹🇷 Turkishtr

Tonka Fasulyesi

🇻🇳 Vietnamesevi

Đậu Tonka

Pairings

Protein

  • Lobster bisque

Sweet

  • Vanilla ice cream
  • Dark chocolate ganache
  • Peach tart
  • Crème brûlée

Drink

  • Aged rum

Substitutes

  • Banda Nutmeg60% match· soon
  • Mace52% match· soon
  • Ceylon Cinnamon45% match· soon

Story

Frequent questions

Yes, in normal culinary quantities. Coumarin is the compound flagged by regulators (the FDA banned tonka in the US in 1954), but a single bean contains roughly 1–3 mg of coumarin per microplane use — well below the 0.1 mg/kg body-weight threshold that triggers concern. French pastry chefs like Pierre Hermé have used it for decades. The risk applies only to extreme daily consumption.