Gac
Momordica cochinchinensis · Cucurbitaceae · also known as Baby jackfruit, Spiny bitter gourd, Sweet gourd, Red melon
A spiky crimson Southeast Asian gourd-fruit, mild in taste but extraordinary in color — its red seed membranes are among the richest natural sources of lycopene and beta-carotene known.
At a glance
- Taste
- Mild, faintly sweet, and subtly nutty — gac is grown for color and nutrition more than flavor. The vivid red aril around the seeds is what's used; the taste is gentle, closer to squash than to sweet fruit.
- Origin
- Southern China and Southeast Asia
- Grown in
- Vietnam, Thailand, China, Laos, Cambodia
- Peak season
- Winter, Autumn
Sensory & practical profile
Taste fingerprint
- Sweetness
- Tartness
- Aroma
- Juiciness
- Firmness
Approximate, at peak ripeness · 0–5
- Ripe when
- Fully deep red-orange, soft and heavy — unripe fruit lacks the vivid, nutrient-dense red arils.
- How to eat
- Not a snack — scrape the red aril paste into festive "xoi gac" red sticky rice, or blend into juice.
- Typical price
- Premium
Vietnam calls it the "fruit from heaven"; its red arils are among the richest known sources of lycopene and beta-carotene.
How to select & store
Picking a ripe one
Choose fully ripe, deep red-orange fruit that is soft and heavy; unripe green or orange fruit lacks the vivid, nutrient-dense red arils. It is spiky, so handle with care.
Storing it
Ripe gac is used quickly; the red aril paste is scraped from the seeds and often frozen. It is increasingly sold abroad as frozen pulp, powder, and oil-based supplements.
Practical uses
🍽️ Culinary
- Xoi gac — Vietnamese festive red sticky rice colored and enriched with gac aril
- Blended into juices, smoothies, and health drinks
- Used as a natural coloring and nutrient booster in soups and desserts
🌿 Health & traditional
- Traditional Vietnamese and Chinese medicine uses the aril and seeds for eyesight, skin, and vitality
- Marketed today as a carotenoid-rich "superfruit" supplement
🎎 Cultural
- Its brilliant red makes it the auspicious color of Vietnamese wedding and New Year rice dishes
- Called the "fruit from heaven" in Vietnamese for its color and reputed benefits
Eating gac: what to know
What regular consumption looks like
Gac is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of vitamin C (about 30 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods. Its pigments and polyphenols are antioxidants that population studies associate with heart health, though that reflects overall diet rather than any single fruit.
Sensible amounts
A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern.
Evidence & conditions
As a whole fruit, Gac contributes fibre, vitamins, and beneficial plant compounds, but it has not been shown to treat or prevent any specific condition — so it is best enjoyed as part of a healthy diet rather than as a remedy.
Gac: frequently asked questions
What does gac taste like?
Mild, faintly sweet, and subtly nutty — gac is grown for color and nutrition more than flavor. The vivid red aril around the seeds is what's used; the taste is gentle, closer to squash than to sweet fruit.
When is gac in season?
Gac is mainly a Winter and Autumn fruit, with exact months depending on the growing region and hemisphere.
How do you eat gac?
Not a snack — scrape the red aril paste into festive "xoi gac" red sticky rice, or blend into juice.
How do you know when gac is ripe?
Fully deep red-orange, soft and heavy — unripe fruit lacks the vivid, nutrient-dense red arils.
Is gac good for you?
Gac is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of vitamin C (about 30 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods. Its pigments and polyphenols are antioxidants that population studies associate with heart health, though that reflects overall diet rather than any single fruit.
How much gac should you eat?
A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern.
Gac is a fruit grown for what it contains rather than how it tastes. A spiky crimson gourd from Southeast Asia, its flavor is mild — closer to squash than sweet fruit — but the red membranes coating its seeds are a nutritional marvel: among the richest natural sources of lycopene and beta-carotene ever measured, carried in an oil that helps the body absorb them.
The color of celebration
In Vietnam, gac’s brilliant red is auspicious, and its signature use is xoi gac — festive sticky rice tinted and enriched with the aril, served at weddings and Lunar New Year. There, the fruit is a natural dye and a nutrient booster rolled into one, valued for making a celebratory dish both beautiful and nourishing.
From rice pot to supplement bottle
That carotenoid density turned gac into a modern “superfruit,” exported as frozen pulp, powder, and oil capsules marketed for eye and skin health — echoing the traditional Vietnamese and Chinese uses for eyesight and vitality. Like tomato and watermelon, its lycopene is best absorbed with a little fat, which the oily aril conveniently provides.
If you like gac, try these
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In season with gac
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