Not all fruits greet you with a sweet, inviting aroma—some pack quite the punch with pungent or unpleasant smells. This list covers 10 fruits known for their distinctive, often off-putting odors and explains why these smells exist. Whether you’re a curious foodie, an adventurous eater, or simply want to understand why some fruits smell so strange, this guide will give you the facts behind these aromatic oddities.
Durian
Often called the “king of fruits,” durian is infamous for its overpowering smell, frequently described as a mix of rotten onions, turpentine, and raw sewage. This odor is caused by a complex mixture of sulfur compounds, such as ethanethiol and diethyl disulfide, which are released as the fruit ripens. Despite the smell, durian’s creamy, custard-like flesh is loved by many in Southeast Asia, prized for its rich flavor and texture.
Jackfruit
Jackfruit emits a strong, somewhat unpleasant aroma when ripe, often likened to a mix of ripe fruit and a faint hint of decay. The scent comes from volatile compounds including esters and sulfur-containing molecules, which can be off-putting to those unfamiliar with it. However, jackfruit’s sweet, tropical flavor and versatile texture make it a popular meat substitute and dessert ingredient across South and Southeast Asia.
Soursop (Guanabana)
Soursop has a distinct odor that some describe as sour, fermented, or even slightly rotten when the fruit is overripe. This smell is due to the presence of volatile acids and esters that develop as the fruit matures. Though its aroma can be off-putting, soursop is valued for its tangy, creamy pulp used in juices, smoothies, and desserts.
Marang
Marang, a close relative of durian found in Borneo and the Philippines, has a strong, pungent smell often compared to a mix of durian and fermented cheese. This is due to sulfur compounds and other organic volatiles released as the fruit ripens. While its aroma can be challenging, marang has a sweet, juicy flesh that many locals enjoy fresh or in desserts.
Chempedak
Chempedak, similar to jackfruit and durian, carries a strong, musky smell that some find unpleasant or overpowering. The odor arises from sulfur-containing compounds and esters unique to the fruit’s ripening process. Despite this, chempedak is prized in Malaysia and Indonesia for its sweet, creamy flesh, often eaten fresh or fried as a snack.
Horned Melon (Kiwano)
Horned melon has a faint but distinct odor that some describe as slightly musty or like cucumber mixed with banana peel. The smell comes from a combination of aromatic compounds including aldehydes and esters. While the scent might be odd, the fruit’s bright orange rind and jelly-like green flesh offer a mildly sweet and tart flavor, popular in salads and garnishes.
Salak (Snake Fruit)
Salak, or snake fruit, has an aroma that can be sharp and somewhat acidic, occasionally perceived as sour or fermented if overripe. This results from organic acids and esters released during ripening. Despite its smell, salak’s crisp texture and sweet, tangy taste make it a favorite snack in Indonesia and Thailand.
Bael Fruit
Bael fruit, native to India, has a strong, unpleasant smell often compared to a mixture of wet hay and rotten vegetables when ripe. The odor is due to its high content of tannins and volatile oils. Despite this, bael fruit pulp is used in traditional beverages and Ayurvedic medicine for its digestive benefits.
Chempedak
Chempedak, a tropical fruit related to jackfruit, is known for its strong, musky odor with hints of sweetness and fermentation. This distinctive smell is caused by a complex mixture of sulfur compounds and esters produced during ripening. Though pungent, its creamy flesh is highly valued in Southeast Asian cuisine.
Medlar
Medlar fruit smells somewhat unpleasant until it becomes fully bletted (overripe and softened), often described as musty or fermented. This scent arises from the breakdown of sugars and acids as the fruit ripens past edible firmness. Once bletted, medlar’s flavor develops into a sweet, spiced apple-like taste, enjoyed in jams and desserts in Europe.
How to Choose
When selecting fruits known for their strong or unpleasant smells, consider ripeness and intended use rather than aroma alone. Many of these fruits smell bad when unripe or overripe but offer excellent flavor and texture at the right stage. For example, durian should be chosen when its shell cracks slightly, indicating ripeness without overripeness. Similarly, medlar must be bletted to become palatable. If unfamiliar with a fruit’s scent, buy small amounts first or seek advice from local sellers who understand the optimal harvest time.
Frequently Asked Questions
Q: Why do some fruits smell bad while others smell sweet?
A: The smell depends on the fruit’s chemical composition, especially volatile sulfur compounds, esters, and acids, which vary by species and ripeness.
Q: Are smelly fruits safe to eat?
A: Yes, most fruits that smell bad naturally produce those odors as part of ripening. However, if a fruit smells rotten or moldy beyond typical scent, it may be spoiled and unsafe.
Q: Can the bad smell of these fruits be reduced or masked?
A: Cooking, freezing, or combining with other ingredients can mellow strong odors. For example, durian is often used in ice cream or pastries to balance its smell.
Q: Why do durians and jackfruits produce sulfur compounds?
A: Sulfur compounds serve as chemical signals to attract animals for seed dispersal but can be unpleasant to humans.
Q: Is the smell of these fruits an indicator of quality?
A: Strong aromas often indicate ripeness but not always quality. Overripe fruits can smell worse and start to spoil, so look for other signs like texture and appearance.
Final Thoughts
While the smell of certain fruits may be off-putting to some, these unique aromas often signal rich flavors and cultural culinary significance. Understanding why these fruits smell bad—and when they’re at their best—can open doors to new tastes and experiences beyond the typical sweet and fragrant fruits. Next time you encounter a pungent fruit like durian or soursop, remember that the smell is just the start of an intriguing sensory journey.
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