Optimal storage temperature for fresh fruits: physiological responses, quality retention, and shelf-life extension
Postharvest Quality
That basket of peaches or figs you just picked from your backyard tree has a clock ticking inside it — knowing whether to put it in the fridge, on the counter, or somewhere in between can double how long it stays delicious.
After you pick a fruit, it's still alive and breathing — and temperature controls how fast that living process burns through the fruit's sugars, softens its texture, and lets microbes move in. Some fruits, like bananas and tomatoes, actually get damaged by cold temperatures, while others, like apples and grapes, thrive near freezing. Scientists have been mapping out these sweet spots so growers and stores can keep fruit fresh longer without causing hidden cold injury.
Key Findings
Fruits fall into two categories — climacteric (like apples, bananas, and tomatoes, which ripen with a burst of ethylene gas) and non-climacteric (like grapes and citrus) — and each category requires fundamentally different temperature strategies.
Cold injury (chilling injury) can damage tropical and subtropical fruits even at temperatures above freezing, causing internal browning, pitting, and flavor loss that may not appear until the fruit warms up again.
Technologies like controlled atmosphere storage — which adjusts oxygen and carbon dioxide levels alongside temperature — can extend shelf life significantly beyond cold storage alone, reducing postharvest losses that account for an estimated 30–50% of fresh produce globally.
chevron_right Technical Summary
Storing fruit at the right temperature dramatically slows the biological processes that cause ripening and decay, but the ideal temperature varies by fruit type — and getting it wrong causes either spoilage or cold damage. This review consolidates what scientists know about matching storage temperatures to specific fruits to cut postharvest losses.
Abstract Preview
Storage temperature is a critical determinant of postharvest fruit quality, directly influencing physiological activity, biochemical stability, and microbial growth. Improper temperature management...
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