Oxidation of Anthocyanins: Major Cause of Lettuce Discoloration
The primary reason behind the pink discoloration of lettuce is the oxidation of anthocyanins, a group of water-soluble pigments commonly found in plants. Anthocyanins are responsible for the vibrant red, purple, and blue hues seen in various fruits and vegetables. When lettuce leaves are damaged or exposed to certain environmental conditions, such as light and air, anthocyanins undergo oxidation, leading to the formation of pink pigments. The following are major reasons that can cause pink discoloration in lettuce.
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