Mangoes are often treated like a special purchase rather than an everyday fruit, and because of that, it can be frustrating when they seem to spoil quickly. However, new research suggests that the way most people store mangoes at home may actually be the reason they don’t last as long as expected.
Scientists have found that temperature plays a major role in how mangoes ripen and how long they stay fresh. In a study conducted by researchers at Hainan University, mangoes were stored for 24 days at two different temperatures: 54 degrees Fahrenheit and 86 degrees Fahrenheit. The difference in results was significant. Mangoes kept at the warmer temperature ripened much faster, turning soft and mushy within about two weeks as their sugar levels increased.
On the other hand, mangoes stored at 54 degrees Fahrenheit maintained their firmness, color, and acidity for a much longer period. The cooler storage also helped preserve the fruit’s internal structure, including its cell walls and starch reserves. Researchers even observed that these mangoes retained higher levels of beneficial compounds like vitamin C and flavonoids, meaning they stayed not only fresher but also more nutritious.
One key reason this matters is how mangoes are handled before they reach consumers. The study notes that mangoes are typically transported and stored at higher temperatures, often between 79 and 86 degrees Fahrenheit, which accelerates ripening before they even arrive at the store. By the time they reach a home kitchen, the window to enjoy them at peak ripeness is already short. Cooling them after purchase can help slow this process and extend their usability.
However, there is an important balance to consider. While cooler temperatures help preserve mangoes, storing them too cold can cause damage. Temperatures below 54 degrees Fahrenheit can lead to what researchers call chilling injury, which harms the fruit from the inside and negatively affects its texture and quality. This means that a typical household refrigerator, which usually runs between 35 and 38 degrees Fahrenheit, is actually too cold for whole mangoes.
Because of this, researchers suggest that the ideal storage environment is around 54 degrees Fahrenheit, which is cool enough to slow ripening without causing damage. One practical solution mentioned is using a wine fridge, which often operates within the 52 to 55 degree range and can provide a more suitable environment for storing mangoes.
It is also worth noting that different types of mangoes can tolerate slightly different temperatures. For example, Kent mangoes may do best at around 57 degrees Fahrenheit, while Keitt mangoes can handle temperatures closer to 50 degrees Fahrenheit. This means that storage recommendations may vary depending on the variety, and some experimentation at home may be necessary to find what works best.
Overall, the research highlights that properly controlling temperature is the key to extending the life of mangoes. Instead of leaving them out at room temperature or placing them in a standard refrigerator, keeping them in a moderately cool environment can help preserve their texture, flavor, and nutritional value for a longer period.
Source: Food And Wine
