Cold Chain for Food: How It Keeps Your Groceries Fresh

Temperatures in HCMC are high year-round, making food freshness management especially important. How does the cold chain system, which functions smoothly in Japan, work in Vietnam?

This article covers the basics of cold chain and what you need to know to get fresh food in HCMC.

What is cold chain

Cold chain is a logistics system that maintains appropriate temperatures continuously from food production to the consumer's hands. Also known as "cold logistics" or "temperature-controlled logistics."

Basic elements of cold chain

• Cold and frozen storage: Facilities that store food at appropriate temperatures
• Refrigerated and frozen vehicles: Specialized vehicles that maintain temperature during transport
• Temperature monitoring: Systems that track and record temperature at each stage
• Last-mile delivery: Temperature management in the final delivery stage to the consumer

When these elements connect seamlessly, food freshness and safety are maintained. If any single link breaks, overall quality is affected.

Why cold chain matters in HCMC

HCMC's climate presents tough conditions for food temperature management.

Impact of heat and humidity

Average temperatures in HCMC are high, especially during the day. In these conditions, food requiring refrigeration deteriorates quickly at room temperature.

In hot environments, bacteria in food multiply faster. Food that might be safe for several hours in Japan's cooler seasons may spoil much faster in HCMC.

Easily affected foods

• Fresh foods: Meat, fish, and vegetables are sensitive to temperature changes and lose freshness easily
• Dairy products: Milk, yogurt, and cheese require especially careful temperature management
• Frozen foods: Once thawed, quality changes significantly
• Fermented foods: Miso, natto may over-ferment at high temperatures

Japan's cold chain standards

Japan's cold chain is among the world's highest standards.

In Japan, cold logistics from production regions to retail stores is highly developed. Recommended storage temperatures are set in detail for each food type, and logistics companies strictly comply. When temperature deviations occur, products are discarded. From insulated bags at supermarkets to temperature-controlled online grocery delivery, temperature is managed until the consumer receives the product.

Vietnam's cold chain status

Vietnam's cold chain is developing rapidly.

Developing logistics infrastructure

Cold logistics infrastructure in Vietnam is being heavily invested in, but gaps remain compared to Japan. Especially in rural areas and small distribution channels, temperature control may be insufficient.

Improvement trends

The Vietnamese government and private companies are accelerating cold chain development. Major supermarket chains and food companies have built their own cold logistics networks, and quality is steadily improving.

Gap with traditional markets

Between modern supermarkets and traditional local markets, temperature control levels differ significantly. At traditional markets, food is typically displayed at room temperature.

Grocery delivery services and cold chain

In grocery delivery services, cold chain plays an especially important role.

Warehouse storage

Delivery service warehouses store food at appropriate temperature zones. Chilled items go in refrigerators, frozen items in freezers, managed separately.

Temperature control during delivery

From receiving the order to delivery, insulated boxes and ice packs maintain temperature. Even in HCMC's heat, food arrives at appropriate temperatures.

Shorter delivery times

Alongside temperature control, shortening delivery time is equally important. Reducing the time from order to delivery minimizes temperature change risks.

What you can do as a consumer

Understanding cold chain, here's what you can do to keep food fresh.

Refrigerate immediately after receiving

Put delivered food in the refrigerator or freezer as soon as possible. In HCMC's temperatures, minimize time at room temperature.

Shopping tips

At supermarkets, add chilled and frozen items to your cart last, and refrigerate them immediately upon returning home. Insulated bags are also effective.

Use reliable delivery services

Using a temperature-focused delivery service can sometimes get you fresher food than shopping in the heat yourself.

Conclusion

Cold chain is an essential system for preserving food freshness and safety. In HCMC's hot climate, the importance of temperature control is even greater.

Farmi delivers with temperature control, bringing fresh food to your doorstep. If you're looking for quality Japanese food, download the Farmi app and give it a try.

Note: This article and some images were created with AI assistance and reviewed by our editorial team before publication.