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| - Kale is a cruciferous, green leafy vegetable with several varieties: curly kale, ornamental kale and dinosaur kale, and all differ in taste, texture and appearance, but its popularity keeps it plentiful in produce sections, in the center aisles as kale chips and prepared foods section as a salad, Phil Lempert, a food industry analyst, trend watcher and creator of supermarketguru.com, said in a s
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