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Peeling back the plastic from greenhouse cucumbers

No one is more excited than Dino DiLaudo to be pitching cucumbers free from plastic wrap to retail clients. Based in Leamington, Ontario, Westmoreland Topline Farms is the first in Canada to launch greenhouse-grown cucumbers sprayed with an edible, tasteless protective coating derived from plant material.

It’s all thanks to the technology of Apeel Sciences, headquartered in Goletta, California. Westmoreland Topline Farms has partnered with them for a commercial launch with a major Canadian grocer on June 13. It’s been a five-year journey, partly because of delays from the pandemic, but also due to modifying how the product is applied on greenhouse cucumbers.

“The innovation curve takes time,” explains DiLaudo, vice-president of sales and marketing for Westmoreland Topline Farms. “I first saw the Apeel technology in a trade show booth in Chicago. At that time, the benefit was extended shelf life. But today the benefit is the story about sustainability. It’s about taking millions of pounds of plastic out of the packaging system.”

Privately held, Apeel Sciences has enjoyed a fast track since its proof of concept in 2012. Early on, the company’s researchers identified the lipids and glycerolipids in the peels, seeds and pulp of fruits and vegetables that can keep moisture in and oxygen out. When transformed into a slurry and applied as a thin film, the Apeel coating delays the onset of rot and maintains the cucumber’s firmness and colour.

Because these natural ingredients are lipid-based, not protein-based, there is no threat of allergenicity. These ingredientsare readily available, but the genius is in the proprietary process, the application of the solution in amounts specific to various fruits and vegetables. Once applied, the solution must be invisible and tasteless.

In the case of the English cucumber, the more natural, darker green colour distinguishes it  from its plastic-covered peers. But that’s not the only characteristic that consumers notice. Independent research conducted in May 2021 reveals that consumers associate firmness of English cucumbers directly with freshness. That means no soft spots, no “bendy” cucumbers.  Through in-store pilots, their research also showed that eight days after treatment, Apeel-protected cucumbers have no visible defects. Simply put, they are just as fresh as plastic-wrapped cucumbers.

For Westmoreland Topline Farms, although the American experience looked intriguing, the question to be answered was whether the technology was scalable. At peak production, the Leamington greenhouses are capable of up to 100,000 12-count cases of cucumbers per week. The fortunate intersect was that another Canadian-owned company, Houweling’s, had tested the Apeel process on cucumbers in its California greenhouses. In 2021, DiLaudo evaluated the application process in California, requested a few tweaks, then signed a letter of agreement. As it subsequently turned out, Westmoreland was able to acquire and refurbish the Houweling’s equipment for its own use.

An Apeel team is currently in Leamington installing equipment and supervising trial applications. As DiLaudo explains, “The proprietary powder is reconstituted with water, mixed in stainless steel vats under temperature control and then sprayed and dried on a conveyor line.”

Once the Apeel-protected cucumber leaves the greenhouse, the journey to market is really only half-complete. There’s a possibility that consumers may question the food safety of supermarket cucumbers that are not wrapped in a plastic sleeve. That’s where Apeel provides its expertise gained with American consumers. 

“We have conducted quantitative research and in-home user testing with consumers in the United States and Canada to understand consumer sentiment and acceptability towards a plastic-free cucumber,” says Ravi Jolly, vice-president of new products at Apeel.

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