as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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provide an example of a natural food preservative.
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vinegar is a commonly used natural food preservative. it has antibacterial properties that can extend the shelf life of various foods, such as salad dressings.
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