The Complete Guide to Packaging Fruit

Fruits are always a healthy addition to your diet, but if they don’t get to the consumer in good health, it can be detrimental to your brand and bottom line. That’s why it’s essential to nail the right packaging for your fruits, whether dry or fresh.

A proper package will protect your product during transit, keep the fruits in optimal condition, and captivate your consumers to spread the word. A surefire way to nail this would be to first acquire the right fruit packaging machine.

This article covers all you need to know to select the right materials and machine to package your fruits. Keep reading,

How to Prevent Bruising and Damage to Fresh Fruit

Fresh fruit faces multiple challenges across the supply chain, from mechanical damage to natural biological processes that cause spoilage. Some low-cost and traditional packaging options are limited to merely holding the products and may not offer adequate protection or preservation for the fresh fruit. 

When your fresh fruit collides with a hard surface, it can get bruised, and depending on how deep, it will make the fruit more prone to decay. Also, overfilling containers or stacking them too high can put pressure on the fruits at the bottom, causing them to get crushed, especially if weak packaging materials also buckle under the weight.

Some losses that occur due to improper packaging include:

• Accelerated ripening: Damaged fruit releases a higher amount of ethylene, a gas that causes ripening. So, a single bruised fruit can affect a whole crate.
• Microbial contamination: Punctures and other mechanical injuries create room for bacteria and other microorganisms to enter the fruit. Then a poorly ventilated package will further enhance the growth of these microorganisms due to trapped heat and moisture.
• Losses from rejection: No one wants a damaged product, so if your fruit isn’t properly packaged and gets damaged, the retailers and consumers are likely to reject it.

What is the Best Packaging for Dried Fruit?

Dried fruits are processed to have low moisture content (5-20%), which makes them prone to moisture reabsorption, oxidation, and microbial growth. But only when the packaging allows for it. Even with low moisture content, many microorganisms, including fungi, can be resilient. Since dry fruits are not sterile and can still harbor mold and yeast, these fungal organisms grow and can even produce mycotoxins, which are a public health concern.

Some solutions to these packaging problems associated with dry fruit include: 

• Use of High-barrier Materials: As the name implies, these packaging materials act as an impermeable shield to oxygen, light, and moisture. Some examples are PET/AL/PE (aluminum foil (AL), polyethylene terephthalate (PET), polyethylene (PE)) and glass jars.

• Modified Atmosphere Packaging (MAP): This technology controls the gas composition within the fruit package to create a hostile environment for spoilage. It may be vacuum packaging, which removes most of the air and oxygen before sealing, or nitrogen flushing, which replaces the air in the package with an inert gas, nitrogen. In each case, it prevents oxidation and inhibits the growth of certain microorganisms.

• Desiccants and Oxygen Absorbers: Packets of silica gel absorb the moisture inside the package to ensure low humidity levels. Then oxygen absorbers will remove any oxygen that remains trapped in the package, effectively combating oxidation and contamination.

• Single-serve packets: Here, the fruits are kept sealed until ready for consumption. The single-serve format prevents consistent exposure to air and moisture due to multiple openings.

Choosing the Right Packaging Materials: Films, Pouches, and Trays

Below are some suitable materials for your fruit packaging depending on the specific product:

Flexible Films and Pouches

This packaging is characterized by its ability to bend and conform to any product. For fruit packaging, they are lightweight, cost-effective, and versatile. 

To provide a strong barrier against oxygen, moisture, and light, specialized flexible films are laminated with multiple kinds of materials. Some good examples are:

• Metallized films: These have a thin layer of aluminum foil and may be made from polyethylene terephthalate (MET PET) or biaxially oriented polypropylene (MET OPP).
• EVOH (ethylene vinyl alcohol): This is a highly effective oxygen barrier used in multi-layer films to protect oxygen-sensitive products.

For extremely perishable products, you may combine your flexible packaging with MAP. Dried fruit would especially benefit from vacuum packaging, as it extends its shelf life.

Rigid trays and clamshells

For delicate fresh fruit, rigid packaging offers superior protection against physical damage. 

• PET (polyethylene terephthalate) and OPP (oriented polypropylene): Trays made from these materials offer excellent clarity to display the fruit, good strength, and adequate barrier properties.

• Molded pulp trays: Made from recycled paper, these offer cushioning and compartmentalization for individual fruits like apples or peaches, preventing contact bruising. Molded pulp trays are a sustainable alternative to plastic.

Choosing the right material

The Best Packaging Machine for Fresh & Dried Fruits

If your product is delicate, spherical fruit, or fragile dry goods, the vertical form-fill-seal (VFFS) machine offers the ideal packaging. This machine minimizes bruises and punctures due to its gentle, vertical handling.

How the VFFS Machine Works for Fruit Packaging

• Controlled, vertical fill: The fruit is dispensed into the pouch from above, leveraging gravity and minimizing the drop height. This gentle delivery prevents the impact bruising common in horizontal packaging systems where products are pushed or dropped onto a moving film.

• Product-specific handling: You can pair your VFFS machine with a multi-head weigher, so it carefully counts and portions the fruit to a precise weight before releasing it. This prevents the overfilling of bags that can cause compression bruising from stacking.

• Hygienic and contained process: The machine’s enclosed system and automated nature reduce human contact, lowering the risk of bacterial contamination that can occur during manual or semi-automated packaging.

• Customizable for fruit type: Your VFFS machines can be configured with modular components to allow for adjustments to the fruit size and fill volume.

Can I Use My VFFS Machine for Both Fresh and Dried Fruits?

The simple answer is yes. A VFFS machine’s benefits extend beyond fresh fruit.

• Adaptable for dry goods: The machine is highly effective at packaging dry goods like nuts and dried fruits, protecting them from moisture, oxygen, and light when paired with high-barrier films.

• Modified atmosphere packaging (MAP): For perishable or delicate items, the VFFS can be integrated with a gas flushing system. This can be used to create a cushion of air in snack packaging, further protecting against damage.

• High-speed automation: By combining forming, filling, and sealing into a single, seamless operation, VFFS machines significantly increase production speed and efficiency while reducing labor costs.

How Much Does a Fruit Packaging Machine Cost?

Equipment costs

• Manual and semi-automatic machines: Ranging from $1,000 to $30,000, these are best for small-scale operations or startups. For fresh fruit, this could be a simple heat-sealing machine for clamshells or pouches. For dry fruit, vertical form-fill-seal (VFFS) machines can package them in small pouches.

• Automatic systems: These cost between $15,000 and $250,000+ as they are designed for high production volumes. 

• Ancillary equipment: The total cost of your fruit packaging machine can also include other machinery needed for a complete line, such as washers, sorters, conveyors, and coding printers.

Quality Control 101: Ensuring Your Packaged Fruit Is Safe and Fresh

To ensure you get the most out of your proper packaging and machine, here are some areas to pay rapt attention to during your fruit production process:

• Source Inspections: Ensure that your fruits are obtained from reliable suppliers who follow good agricultural practices. This reduces contamination from pesticides and heavy metals.
• Visual Inspection: When the fruits arrive, look for external defects like discoloration, bruises, cuts, mold, or insect damage.
• Contaminant inspection: Foreign objects like metal, glass, or bone fragments may get introduced during processing. So, metal detection or X-ray systems are used to detect and remove such packages.
• Label verification: Vision inspection systems automatically verify that labels are correctly positioned and that printed information, including expiration dates, batch numbers, and barcodes, is accurate and legible. 
• Seal integrity testing: Using methods such as the water bath test, pressure decay, or vacuum decay, packages are tested for micro-leaks. This is especially vital for modified atmosphere (MAP) or vacuum-packed products, as it ensures the packaging’s protective atmosphere is maintained.
• Final visual inspection: Conduct a final manual inspection to verify the package’s presentation quality, looking for seal imperfections, label misalignment, or general damage.

Conclusion

The right packaging is the final step in getting your fruit to consumers in perfect condition. It prevents damage and spoilage, extends shelf life, and creates an appealing product. By carefully choosing the appropriate materials and using a reliable machine like the vertical form-fill-seal (VFFS) machine, you are making a smart investment that reduces waste, increases efficiency, and solidifies your brand’s reputation for quality.

Contact Guangdong Eastern Packaging Machinery Co., Ltd. to select the right fruit packaging machine for your business today.