This invention describes a way to control microbes using a special liquid mixture. The mixture combines propanoic acid or isobutyric acid with another short-chain acid or an aldehyde. This combination is specifically designed to be free of certain naphthalene and azulene compounds, and it's particularly useful for treating food items.
Why it matters: Filed before recent advancements in food-grade material science made it easier to integrate such antimicrobial compositions into packaging or coatings. New biodegradable films or active packaging technologies could now better leverage these GRAS components for food preservation.
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