🇸🇦 Arabicar
كركم
kurkum
Tamil Nadu, India
Turmeric
1.4M t
global production / year
India ~80% of supply
5–6%
curcumin (Alleppey)
vs 2–3% in Madras
5%
essential oil
of dried rhizome
9 mo
from rhizome to harvest
boiled, sun-dried, polished
Visual atlas
Profile
Turmeric, or Curcuma longa, is a flowering plant in the ginger family Zingiberaceae. It is a perennial, rhizomatous, herbaceous plant native to the Indian subcontinent and Southeast Asia that requires temperatures between 20 and 30 °C and high annual rainfall to thrive. Plants are gathered each year for their rhizomes, some for propagation in the following season and some for consumption or dyeing.
Turmeric — Curcuma longa — is the rhizome of a ginger-family plant cultivated in India for more than four thousand years, with Tamil Nadu and its Erode-Salem district as the largest single production zone on earth. The rhizomes are boiled, sun-dried and ground into the deep-orange powder that colors curry powders, American mustard, Middle Eastern rice, and Moroccan tagines. The color comes from curcumin, a polyphenol with well-documented anti-inflammatory activity. In India turmeric is not only food: it is rubbed on brides before marriage, draped as garlands on gods, and used as a natural dye. Fresh turmeric root carries a lemon-ginger note that dried powder loses.
Origin
Tamil Nadu, India.
India
Tamil Nadu · Alleppey, Kerala
Process
01May–Jun
Planting
Mother rhizomes split into fingers, planted 5 cm deep at the start of the southwest monsoon.
02Month 6–8
Underground branching
Foliage reaches 1 m. Below, the rhizome multiplies into mother, primary, and secondary fingers.
03Jan–Feb
Hand-digging
Leaves yellow and dry. Rhizomes lifted with a fork, mother bulbs kept aside as next season's seed.
0445 min
Boiling (curing)
Fresh rhizomes boiled in water until soft and uniformly orange — locks the curcumin and kills bitterness.
0510–15 days
Sun-drying
Cured fingers spread on concrete or mats. Dry until they snap clean, moisture below 10%.
06Manual
Polishing
Tumbled in mesh drums to scrub off rough skin and reveal the smooth orange-yellow finger sold worldwide.
Inside the berry
The molecules that make it taste like Kampot — and not like anything else.
Alleppey turmeric stands apart for its curcumin density (5–6%). The volatile oil, dominated by turmerones, gives the warm woody-orange aroma.
5.5%
Curcumin (Alleppey)
vs 2–3% Madras
5.0%
Essential oil
dried rhizome
60%
ar-turmerone share
of the volatile oil
8.5%
Moisture
polished, packed
Volatile compound profile
- Curcumin55.0%
Color, not aroma — the orange-yellow pigment, fat-soluble, bitter raw.
- ar-Turmerone25.0%
Warm, woody-orange — the actual smell of fresh-ground turmeric.
- Demethoxycurcumin16.0%
Secondary curcuminoid, slightly bitter, contributes to color.
- α-Turmerone18.5%
Earthy, slightly resinous — backbone of the volatile oil.
- β-Turmerone12.0%
Cooler, sharper sesquiterpene, faint pepper edge.
- Bisdemethoxycurcumin5.0%
Lightest curcuminoid — softer color, milder bitterness.
Versus other peppers
| Pepper | Piperine | Oil |
|---|---|---|
★ Alleppey (Kerala) Premium · highest curcumin | 5.5% | 5.0% |
Madras Tamil Nadu · brighter color, less curcumin | 2.5% | 3.5% |
Indonesian (Java) Used in jamu | 3.2% | 4.0% |
Chinese Lowest grade, mainly dye | 1.8% | 2.8% |
Vietnamese Rising premium origin | 4.5% | 4.5% |
Cuisines
How the world cooks with it.
3 signature dishes
Haldi is non-negotiable: a pinch in the oil before any vegetable, lentil, or meat enters the pan.
- Dal tadkagrade: alleppey
Yellow lentils cooked with turmeric, finished with a cumin-chili tempering.
- Fish moileegrade: alleppey
Kerala coconut-milk fish curry, golden with Alleppey turmeric.
- Aloo gobigrade: madras
Potatoes and cauliflower dry-cooked with turmeric, cumin, ginger.
Around the world
What it's called, from Phnom Penh to Palermo.
🇧🇩 Bengalibn
হলুদ
holud
🇨🇳 Chinesezh
姜黄
jiānghuáng
🇳🇱 Dutchnl
Kurkuma
🇬🇧 Englishen
Turmeric
🇫🇷 Frenchfr
Curcuma
🇩🇪 Germande
Kurkuma
🇮🇱 Hebrewhe
כורכום
kurkum
🇮🇳 Hindihi
हल्दी
haldi
🇮🇩 Indonesianid
Kunyit
🇮🇹 Italianit
Curcuma
🇯🇵 Japaneseja
ウコン
ukon
🇰🇷 Koreanko
강황
ganghwang
🇲🇾 Malayms
Kunyit
🇮🇷 Persianfa
زردچوبه
zardchubeh
🇵🇹 Portuguesept
Açafrão-da-terra
🇪🇸 Spanishes
Cúrcuma
🇮🇳 Tamilta
மஞ்சள்
manjal
🇹🇭 Thaith
ขมิ้น
khamin
🇹🇷 Turkishtr
Zerdeçal
🇵🇰 Urduur
ہلدی
haldi
🇻🇳 Vietnamesevi
Nghệ
Seasonality
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mature harvestTail harvestCured, available
Pairings
Protein
- Scrambled eggs
Plant
- Coconut milk
- Yellow rice
- Cauliflower
- Yellow dal
Substitutes
- Ginger (for color, no)25% match
- Saffron (for color)30% match· soon
Frequent questions
Curcumin is poorly absorbed alone. The piperine in black pepper increases its bioavailability by up to 2000% according to a 1998 Shoba study. A pinch of pepper in golden milk or a curry isn't tradition by accident — it's pharmacology.