tangy · fruity · bright
Apr–Jun
green mango window
unripe Mangifera indica
14%
citric + malic acid
of dry weight
3 d
sun-drying cycle
until leather-brittle
1 tsp
equals one lemon
in acid punch
Amchoor is unripe green mango, sun-dried and milled to a fawn-coloured powder that smells of honey, resin and hay and delivers a sharp fruit acidity without adding liquid to the pan. The chemistry is driven by citric acid, malic acid and ascorbic acid concentrated by drying, plus a suite of fruity lactones and terpenes inherited from Mangifera indica. Indian cooks reach for it where western cooks would reach for lemon or vinegar, but with a specific reason: amchoor brings acid in a dry form, so you can season a dry-cooked sabzi, a spice rub, a tandoori marinade or a chickpea chaat without turning the dish soupy. It is the defining sour note of Punjabi chole, many Kashmiri and UP sabzis, the aloo dishes of North India, and the spice blend chaat masala, where it pairs with kala namak and roasted cumin. Dried slices (amchoor khatai) are still sold in parts of Rajasthan and Punjab and used to acidify slow-simmered dals.
Tasting notes
tangy · fruity · bright
Dry sour, tart like green apple and tamarind, with honey-resin fruit underneath. Higher edge than lemon, softer than vinegar, with a touch of astringency that rounds out cumin and coriander.
Flavor compass
Andhra Pradesh, Uttar Pradesh and Bihar cottage industries, India.
The workhorse industrial cultivar from Andhra Pradesh and Karnataka, picked green at 80-90 days. Firm flesh dries to a tan, bone-dry slice with the highest acid punch (pH 2.8) — the reference powder for North Indian chaats, dals and marinades.
Gujarat's saffron-fleshed Kesar mango, dried green at the Junagadh stage. Sweeter residual sugars even when unripe, giving a softer, fruit-forward amchoor prized by Parsi and Mumbai kitchens for dhansak masala and jaggery pickles.
Premium artisanal powder from Ratnagiri Alphonso, harvested at hard-green stage in April. Low volume, high aroma: candied-mango lactones remain even after drying, giving a tropical-fruit amchoor used by chefs like Gaggan Anand in fine-dining chutneys.
Mangifera indica blossoms in the Andhra and UP groves. The tree is ancient, sometimes 100+ years old; growers watch for the tiny green nubs that will become mangoes.
While ripe-mango growers wait until June, amchoor producers pick at peak sourness — hard, pale-green fruit, 60% citric+malic acid profile, zero sugar. Pickers shake and catch with nets.
Green mangoes are peeled, pitted and cut into thin wedges or shreds. Work is done in the morning to avoid the afternoon heat spoiling the wet flesh.
Wedges are spread on cotton sheets across flat rooftops in full Andhra sun. Three days of 40°C heat drives water out; the flesh turns leathery, then brittle.
Dried mango is stone-milled or mechanically ground to a pale fibrous powder. Quality graders separate coarse (for pickles and rubs) from fine (for chaat masala).
Packed in opaque jars with silica to fight India's monsoon humidity. Full acidity and aroma hold 12 months; replace annually.
The molecules that make it taste like Kampot — and not like anything else.
HPLC of sun-dried green mango: citric and malic acids dominate at 14% dry weight; the rest is fibre, sugar residue and aromatic esters.
14%
Total organic acid
citric + malic, dry weight
5%
Residual sugar
low — the mango was unripe
62%
Carbohydrate fibre
the flesh matrix
0.5%
Essential oil
aromatic esters
The bright, clean sour — same molecule as lemon.
Softer, apple-like sour — rounds the citric edge.
Trace umami-acid — adds savoury depth.
Pineapple-mango fruity top note.
Pine-citrus — signature Mangifera volatile.
Caramel-almond from slow sun-drying.
| Pepper | Citric + malic acid | Oil |
|---|---|---|
★ Andhra Pradesh powder Reference · deepest sour, longest dry | 14% | 0.5% |
Uttar Pradesh (Ghazipur) Softer, more aromatic, shorter dry | 12% | 0.6% |
Gujarat coarse-cut Pickle-grade, larger particle size | 11% | 0.4% |
Tamarind paste Wet equivalent, different fruit family | 10% | 0.1% |
Citric acid crystals Pure food acid, no fruit character | 100% | 0% |
Ratnagiri, Maharashtra · est. 1985
“A Konkan cooperative that channels unripe Alphonso and Kesar drop-fruit from 900 smallholder orchards into a sun-dried amchoor powder of rare tartness.”
MethodsCollection of unripe windfall April-June, peeling and slicing within 24 hours, sun-drying on raised bamboo 3-5 days to 8% moisture, stone-milling, 25 kg kraft bag with inner foil.
How the world cooks with it.
3 signature dishes
Punjabi and Uttar Pradesh cooking uses amchoor as the dry acid that tamarind supplies in the south — in chana, aloo, gobi, tandoori.
Chickpeas in onion-tomato-ginger masala with amchoor delivering the sour spine.
Dry potato-cauliflower with cumin, turmeric and a finishing dust of amchoor.
Dry rub of chilli, garam masala, amchoor — sticks without wetting the yogurt base.
What it's called, from Phnom Penh to Palermo.
مسحوق المانجو
芒果粉
Amchoor
Amchoor (mangue verte séchée)
Amchur
अमचूर
Amchur
アムチュール
Amchur
Amchoor
Protein
Plant
Unripe, sour green mangoes (Mangifera indica) — the same tree that gives us ripe yellow mango, picked 2–3 months early. The flesh is sliced, sun-dried until leathery, then ground to a pale beige powder that carries concentrated citric and malic acid.
Sources