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Strawberries are among the most perishable fruits there are, so the cold chain decides everything. Fresh berries need rapid pre-cooling and a tight chill; frozen berries need fast IQF freezing and an unbroken −18°C chain. This guide covers both the fresh and frozen Egyptian strawberry cold chains, plus packing formats.
Quick answer: Fresh Egyptian strawberries are force-air pre-cooled immediately after harvest and shipped at about 0°C at 90–95% RH in vented 250–500 g punnets (clamshells). Frozen strawberries are individually quick-frozen (IQF) and held at −18°C, packed in cartons or bulk bags. Speed of cooling/freezing after harvest is the single biggest quality factor, and the chain must never be broken.
Table of Contents
Fresh strawberries: pre-cool fast, keep cold
The clock starts the moment a strawberry is picked. Egyptian fresh-export berries are moved quickly to forced-air pre-cooling to pull field heat out within hours, then held and shipped at around 0°C and 90–95% relative humidity. Cold slows respiration and grey-mould (Botrytis) decay; high humidity prevents shrivel. Any gap in the chain — a warm dock, a delayed reefer — shows up immediately as soft, mouldy fruit on arrival.
| Stage | Fresh | Frozen / IQF |
|---|---|---|
| After harvest | Forced-air pre-cool to ~0°C | Wash, sort, then IQF freeze |
| Storage | ~0°C, 90–95% RH | −18°C (or colder) |
| Packaging | 250–500 g vented punnets | Cartons (e.g. 10 kg) / bulk bags |
| Shipping | Reefer ~0°C (or airfreight) | Reefer at −18°C |
Frozen strawberries: the IQF process
For frozen, berries are washed, sorted and (if required) hulled or sliced, then individually quick-frozen — passed through a blast or fluidised-bed freezer that freezes each berry separately in minutes. Fast freezing forms small ice crystals that protect cell structure, so firm varieties such as Festival thaw whole and red rather than mushy. The berries are then packed and held at −18°C. IQF also lets the customer pour out exactly the quantity they need, since the berries do not clump.
Packaging formats
- Fresh: vented 250–500 g punnets / clamshells, packed into cartons and palletised; vents let pre-cooling air reach the fruit.
- Frozen IQF: retail bags or, more commonly for B2B, cartons (e.g. 10 kg) with an inner liner, or bulk bags; block-frozen is packed in cartons for processors.
Loading and shipping
Fresh strawberries ship by reefer at ~0°C (or by airfreight for the fastest, highest-value lots), with the cold chain pre-set and monitored. Frozen strawberries ship by reefer at −18°C; the container must be pre-cooled and the temperature logged end to end. For both, temperature recorders in the load give the buyer proof the chain held.
Quality preservation checklist
- Fresh: pre-cool within hours of harvest; hold at ~0°C / 90–95% RH.
- Frozen: freeze fast (IQF) and hold steadily at −18°C — avoid temperature swings that cause ice and clumping.
- Use firm varieties (e.g. Festival) for shape retention.
- Handle gently; strawberries bruise easily.
- Monitor and log temperature through to delivery.
Frequently asked questions
How are fresh Egyptian strawberries kept fresh in transit?
By forced-air pre-cooling right after harvest and shipping at about 0 degrees C and 90-95% humidity in vented punnets, with the cold chain unbroken.
What is IQF?
Individually quick-frozen – each berry is frozen separately and fast, forming small ice crystals so the fruit stays whole and doesn’t clump.
At what temperature are frozen strawberries stored and shipped?
At minus 18 degrees C throughout storage and reefer shipping, with the chain logged end to end.
How are they packed?
Fresh in 250-500 g vented punnets; frozen IQF in retail bags, 10 kg cartons or bulk bags.
Why is variety choice part of the cold chain?
Firm varieties such as Festival survive freezing and handling far better, arriving whole rather than soft.
How to cite this page
PEI Trade. “Egyptian Strawberry Packaging & Cold Chain.” peitrade.com, 2026. https://peitrade.com/egyptian-strawberry-packaging-cold-chain/
Sources
- Strawberry post-harvest science — forced-air pre-cooling, storage at ~0°C / 90–95% RH, decay control.
- Food-freezing references — IQF process, ice-crystal formation and −18°C storage.
- Industry guidance — punnet and frozen-carton packing and reefer shipping practice.
This page is part of our Egyptian Strawberry Export Guide hub.
Ship Egyptian strawberries that arrive in spec with PEI Trade. Rapid pre-cooling and a tight chill for fresh; fast IQF freezing and an unbroken −18°C chain for frozen — in punnets, cartons or bulk bags to your program. Contact: sales@peitrade.com · WhatsApp +20 109 911 1918 · www.peitrade.com