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..
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.
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.
    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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