The Chonkerton

Why tomato sauce stains plastic, and the 30-second fix

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Per Boing Boing, Delish food editor Brooke Caison explains why tomato sauce stains plastic containers: lycopene, a heavily pigmented antioxidant in cooked and canned tomatoes, repels water, and plastic repels water too — so the pigment bonds directly to the container. Heat makes the staining worse.

Source: https://boingboing.net/2026/08/01/tomato-stains-plastic-c...

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