Why Does Lettuce Turn Pink?
Lettuce turning pink can be attributed to various factors, with bacterial growth being a common cause.
Pink discoloration occurs when certain bacteria, such as Pseudomonas spp., produce pigments that tint the lettuce leaves.
These bacteria thrive in moist environments, so improper storage or washing techniques can contribute to their growth.
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Another potential cause of pink lettuce is exposure to ethylene gas, which is released by some fruits and vegetables as they ripen.
Ethylene can accelerate the breakdown of chlorophyll in lettuce leaves, leading to a pinkish hue.
Additionally, certain lettuce varieties, such as red or purple varieties, naturally contain pigments that may intensify or change color under specific conditions.
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