Author: Carlos_Antonio

To keep guacamole from turning brown, reduce its contact with oxygen immediately after mixing, then refrigerate it in a shallow, tightly covered container. The most reliable home method is direct-contact plastic wrap or a thin water seal over a smooth surface, while lime juice slows browning but cannot replace cold storage. Key Facts at a Glance Why Does Guacamole Turn Brown? Guacamole turns brown because cutting and mashing avocado ruptures plant cells, allowing oxygen to reach phenolic compounds and polyphenol oxidase, commonly abbreviated as PPO. PPO helps convert those compounds into quinones, which then form darker polymers called melanins at…

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