Natural form

Two whole bitter gourds showing the distinctive knobbly green exterior and elongated shape.

Establishes the unmistakable warty, ridged surface and cucumber-like form that distinguishes bitter gourd from other vegetables.

Produce

Bitter Gourd (Bitter Melon)

Knobbly green gourd with a pronounced bitter taste, stir-fried or stuffed across South and Southeast Asia.

Bitter gourd is a warty, cucumber-shaped vegetable with a distinctly bitter flavor that mellows with cooking and salting. It is stir-fried, stuffed, curried, or added to soups throughout South Asia, China, and Southeast Asia, and is valued for its reputed blood-sugar benefits. Salting and brief blanching before cooking are common ways to tame its bitterness.

Bitter gourd, known as karela across South Asia and goya in Okinawa, is one of the most distinctive vegetables in the tropical and subtropical pantry. Its knobbly, warted exterior gives way to a crisp, juicy flesh that delivers an assertive, clean bitterness unlike any other common vegetable—this is not a flavor to mask but to respect and harness. The bitterness comes from cucurbitane-type triterpenoids, compounds that develop as the fruit matures and concentrate in the ridges and membrane surrounding the seeds. Used for centuries in Ayurvedic, Traditional Chinese Medicine, and across Southeast Asian and Caribbean cuisines, bitter gourd occupies a unique culinary niche: it demands technique. Master the preparation—salt-curing, soaking, blanching—and you unlock a vegetable with texture and depth that elevates simple stir-fries, stuffings, and curries. The fruit is dioecious (separate male and female plants), and the female flowers produce the characteristic ridged fruit. As it ripens from green to orange-yellow, the flesh sweetens and the bright red seeds become edible—though most culinary use targets the unripe green stage.

Measured in: piece
Storage: Fridge

Types & varieties

Indian Type (Karela)

Narrow, pointed ends; heavily ridged with sharp warts and spines; most intensely bitter; dominant in South Asian cuisines from Pakistan to Bangladesh

Chinese Type (Foo Gwa / Fu Gua)

Longer, straighter, smoother surface; lighter green; milder bitterness; standard in Cantonese and stir-fry cooking

Thai Type

Small, round to oval, intensely bitter; bright green; widely used in Thai curries, salads, and stuffings

Japanese Type (Nigauri / Goya)

Small, pale green, slightly bumpy; cultivated for minimal bitterness; iconic in Okinawan cuisine and Goya chanpuru

Ampalaya (Philippine)

Similar to Chinese type but slightly smaller; popular in sinigang, pinakbet, and ampalaya with egg dishes

Caribbean / West African Type

Intermediate between Indian and Chinese types; used in callaloo, pepper pot, and Yoruba preparations

Understanding and Managing Bitterness

The bitterness in bitter gourd is not a flaw to eliminate entirely but a defining characteristic that skilled preparation modulates to achieve balance. In Chinese cuisine, the goal is typically a 70% reduction—enough to create complexity without overwhelming the dish. In Indian cuisine, bitterness is often welcomed more fully, balanced by sour elements like tamarind or amchur, or sweet components like sugar and jaggery. The white pith surrounding ripe seeds is the only naturally sweet part of the fruit; some cooks preserve and use it when the gourd is fully ripe. Avoid aluminum cookware when cooking bitter gourd—the bitter compounds can react with the metal and intensify both the flavor and any metallic taste.

Salt-curing is the most effective method: slice, toss with coarse salt, rest 20–30 minutes, then squeeze out released liquid
Ice water soaking (30–60 minutes) after salting provides additional bitterness removal
Scraping the raised ridges with a spoon edge removes concentrated bitter areas before slicing
Always scoop out the spongy center and seeds with a spoon—these hold the most intense bitterness
Blanching salted pieces in boiling water for 1–2 minutes before cooking softens and mellows
Do not peel—the bumpy skin is edible and the inner flesh is what is prized

Common uses

Stir-frying with garlic, chili, and fermented black beans (classic Cantonese bitter melon with black bean sauce)Stuffing with spiced coconut, onion, and gram flour, then shallow-frying (Indian karela fry)Sliced thin, salted, and stir-fried with eggs (ampalaya with egg, Filipino and Chinese home-style)Curry and dal preparations across South Asia, often with potatoes or paneerGoya chanpuru (Okinawa): stir-fried with tofu, pork, and bean sproutsFresh juice or blended in smoothies with honey or fruit to offset bitternessPickling in spiced vinegar (Chinese and Vietnamese style)Thin-sliced and deep-fried into chips for snacks or garnishSoups and stews where long cooking mellows the bitternessRaw or lightly pickled in salads (Thai larb-style)

Tips & pitfalls

Salt-curing is essential: slice, toss with coarse salt, let rest 20–30 minutes, then squeeze out liquid before cooking—this draws out the bulk of bitter compounds
Scrape the raised ridges and bumps with a spoon edge or blunt knife before slicing—this removes concentrated bitter areas
Always scrape out the spongy center and scoop out seeds with a spoon, especially when the fruit is fully ripe
High heat, short cooking time preserves the slight crunch; overcooking makes it mushy and intensifies bitterness
Pair with strongly flavored partners: fermented black beans, dried shrimp, pork belly, garlic, onion, and chili bean paste
A pinch of sugar or sweet sauce (hoisin, oyster sauce) balances residual bitterness in the finished dish
Do not peel—unlike cucumber, the bumpy skin is edible and the inner flesh is what is prized
Avoid aluminum cookware; bitter compounds can react with the metal and intensify both bitterness and metallic taste

Nutrition

20kcal

Energy

84 kJ · per 100 g

Where the calories come from

Protein 20%Carbs 73%Fat 8%

Protein

1.2g

2% DV

Carbs

4.4g

2% DV

Fat

0.2g

0% DV

Fiber

1.1g

4% DV

Sugars

of which

Sodium

3mg

0% DV

Notable micronutrients

Vitamin C13% DV

Riboflavin (B2)5% DV

Thiamin (B1)4% DV

Niacin (B3)3% DV

Vitamin B63% DV

Magnesium3% DV

Source · USDA FoodData Central · approx. Gourd, dishcloth (towelgourd), raw

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In the shops

Matched grocery products

No matched grocery products for Bitter Gourd (Bitter Melon) yet.

Good to know

Family: Cucurbitaceae (cucumber, melon, squash)
Scientific Name: Momordica charantia
Origin: South Asia (India, Sri Lanka) and Southeast Asia
Peak Season: Year-round in tropical climates; summer through early fall in temperate zones
Flavor Compound: Cucurbitane-type triterpenoids (charantin, momordicin, momordicosides)
Typical Size: Indian type: 15–30 cm; Chinese type: 20–35 cm; Thai/Japanese type: 5–12 cm
Yield: Approximately 70–75% edible after trimming seeds and membrane
Shelf Life: Refrigerated, unwashed: 4–5 days; do not freeze raw

Substitutes

Zucchini or Courgette — Closest texture; lacks bitterness but works in stir-fries; add dried fenugreek leaves or bitter herbs to approximate flavor
Bitter Greens (Dandelion, Radicchio) — Provide similar bitter notes in salads or quick cooking; different texture but useful for juice or sauté
Green Amaranth (Hagalcog) — Similar bitterness profile; works in South Asian preparations where slight bitterness is desired
Unripe Melon (Winter Melon Rind) — Mild vegetable with comparable texture; will not replicate bitter flavor but serves as visual and textural substitute

Pairs with

GarlicChili PeppersPork BellyFermented Black BeansEggs Tofu Coconut MilkOnion and TomatoGram Flour (Besan)Oyster SauceHoney or Rock Sugar

Also called

Korola · Bitter Melon · Caraili · Goya · Bitter Gourd · Karela