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Nuts are an important food commodity and an essential part of our diet. Nuts are defined as single-seeded fruits, dry in nature and containing high oil content. Botanically, exclusively a kind of dry fruit with a single seed, a hard shell, with a protective husk. The four nuts that truly fit this definition are chestnuts, hazelnuts, pecans, and walnuts. Salmonella, with its long-term persistence and high heat resistance on dry foods, is considered the target organism for tree nuts and peanuts.