Why does tomato sauce stain?

* Lycopene: This is the primary pigment in tomatoes and gives them their red color. Lycopene is a carotenoid, a type of natural pigment known for its strong color and ability to bond with fabrics.

* Other pigments: Tomatoes also contain small amounts of other pigments like beta-carotene and lutein, which contribute to the overall color and staining potential.

Why are tomato stains so hard to remove?

* Lipid solubility: Lycopene is fat-soluble, meaning it dissolves in oils and fats. This makes it difficult to remove from fabrics, as it can penetrate deeply into the fibers.

* Chemical bonding: The pigments in tomato sauce can actually form chemical bonds with the fabric fibers, making them even more difficult to remove.

Tips for removing tomato stains:

* Act quickly: The sooner you address a tomato stain, the better.

* Blot, don't rub: Avoid rubbing the stain, as this can force the pigment deeper into the fibers.

* Use a stain remover: Products specifically designed for removing oil-based stains are your best bet.

* Pre-treat with a detergent: Apply a pre-wash stain remover or laundry detergent to the stain before washing.

* Wash in cold water: Hot water can set the stain, so opt for cold water when washing.

* Repeat the process if necessary: It may take multiple attempts to fully remove a tomato stain.

Remember, not all tomato sauces are created equal. Some sauces contain additional ingredients that can make them even more difficult to remove.