How do you keep lettuce from browning?

Verified Answer
Place the wrapped lettuce in a very cold section of the refrigerator, such as a vegetable drawer. When stored, keep the lettuce away from high ethylene-producing fruits, including apples, pears and peaches. When packaged this way, lettuce can last as long as 10 days before wilting and browning..
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Use food-grade hydrogen peroxide for 10 min To use hydrogen peroxide as a cleaning agent, mix 1 tablespoon of hydrogen peroxide to 3 liters of water. Soak the lettuce completely in the hydrogen peroxide solution and let it sit for 10 minutes. After 10 minutes, rinse everything off with cold water..
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about 2 hoursHow Long Can Lettuce Last Unrefrigerated? All kinds of lettuce will not last very long outside the fridge. Lettuce will usually last for about 2 hours before going bad. After 2 hours, the leaves of the lettuce will start to go soft and wilt.
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Method 1: Use a Knife
  • Step 1: Cut the lettuce head in half. Use a chef's knife or cleaver to cut the lettuce head in half.
  • Step 2: Cut into quarters. Susan Bronson for Taste of Home. Cut each lettuce half into quarters.
  • Step 3: Slice into shreds. Susan Bronson for Taste of Home.
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    Lettuce is particularly perishable, compared to many other vegetables. You will get a considerably longer storage lifetime if it is refrigerated, rather than kept at room temperature. ... You can see at warmer temperatures, the lettuce will expire much more quickly.
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    Fermentation of lettuce by colonic microbiota in vitro produced a similar amount of gas as meat, with a low content of carbohydrates, and significantly less than beans, high in fermentable carbohydrates.
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