Funded by the Canadian government and driven by the need for a domestic cooking oil source, the research focused on selecting plants with negligible levels of erucic acid and reduced glucosinolate content. The journey starts with cleaning and conditioning of the seeds, which are then rolled to crack the seed coat and expose the inner kernel.
How Modern Canola Plants Fight Pests Naturally
Today, a significant portion of the global canola supply is genetically modified (GMO), designed to withstand specific pesticides or improve yield. The name "canola" is actually a portmanteau derived from "Canadian oil, low acid," a direct reference to the scientific goal of the crop.
In the 1970s, Canadian plant breeders successfully used conventional cross-breeding techniques to develop a new strain of rapeseed that drastically reduced these undesirable compounds, creating a safe and edible oilseed. However, the oil extracted from these traditional rapeseeds contained high levels of erucic acid and glucosinolates, compounds that gave the oil a harsh taste and raised health concerns regarding heart tissue damage and digestive issues in animal studies.
How Modern Canola Plants Fight Pests Naturally
Its journey is one of agricultural transformation, scientific breeding, and careful processing, turning a bitter-seeded plant into a golden, neutral-flavored liquid that now lines the shelves of kitchens worldwide. After the initial extraction, the crude oil is separated and sent to a refinery, where it undergoes degumming, neutralization, bleaching, and deodorization to remove impurities, off-flavors, and a naturally strong odor, resulting in the neutral-tasting product consumers recognize.
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