Approximately 74 percent of Canadian fruits and vegetables are wasted before they reach consumers for a myriad of reasons. One-third of that total is considered unavoidable because of current processing and grading standards, which generates expenses for producers and processors who must dispose at landfills, ship to neighboring livestock farms, or allow to decompose on unused plots of land. To tackle this issue and help increase the industry’s environmental sustainability, Vineland Research and Innovation Centre (Vineland) examined underutilized waste streams for the top seven Canadian produced crops, including potatoes, apples, field tomatoes, greenhouse tomatoes, greenhouse cucumbers, onions, and carrots and identified the range of opportunities for managing these by-products.

“We interviewed over 40 companies across the horticulture and food value chain to identify underutilized by-products, better understand trends driving product formulation, and find gaps in the ingredient market that could be filled through the transformation of waste,” says Alexandra Grygorczyk, PhD, Vineland’s Research Scientist, Sensory & Consumer Services.

“We found not all sectors have similar levels of waste although those producing the most waste are actively looking for the right solutions.” Fresh market field crops, including apples, carrots, potatoes, onions, and tomatoes, result in little waste as nearly all edible seconds are sold for further processing. However, since no processing market exists for greenhouse tomatoes and cucumbers, edible products with any amount of discoloration or other cosmetic defects are either landfilled or allowed to decompose near the greenhouse.

The processing sector generates a substantial volume of unavoidable waste when potatoes, apples, field tomatoes, carrots, and onions are processed into chopped, sliced, frozen, fried products, juices, or purees. Vineland’s report, which can be downloaded here, describes solutions to managing diversion, including:

“The greenhouse tomato and cucumber sector, along with fruit and vegetable processing, have ample volumes of underutilized by-product streams. These have potential when managed differently, to help organizations reach environmental sustainability targets and generate better returns from value-added products,” says Grygorczyk. This research was supported by the Canadian Agricultural Strategic Priorities Program (Agriculture and Agri-Food Canada), Martin’s Family Fruit Farms, and the Canadian Agricultural Partnership (the Partnership), a five-year initiative.

For more information: Vineland Research info@vinelandresearch.com alexandra.grygorczyk@vinelandresearch.com  www.vinelandresearch.com        

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