Cabbage is a vegetable that is rarely consumed all at once when bought as a whole head. Many of you have likely cut a head in half for stir-fries or salads, stored it in the fridge, and ended up throwing it away a few days later because the cross-section dried out and changed color. When this happens, it's time to change how you store cut cabbage. Covering the cut surface with a kitchen towel and putting it in a bag for refrigeration helps reduce moisture loss. Mike Markowitz, an associate professor in the College of Culinary Arts at Johnson & Wales University, advised in an article for the American lifestyle and cooking media outlet Martha Stewart earlier this year that cut cabbage should be stored in the refrigerator in an airtight container or bag if you want to keep it fresh for a longer time. He explained that areas with frequent temperature fluctuations, like the refrigerator door, should be avoided, and cut cabbage is best used within three days if possible.

When cabbage is cut, its internal tissues, previously protected by the outer leaves, come into direct contact with air. As moisture escapes, the leaves dry out, and the cut surface easily browns. The Postharvest Technology Center at the University of California, Davis, also explains that browning can occur during storage when fresh cabbage is finely cut or shredded. The storage method is simple. First, after cutting the cabbage, gently wipe away any moisture on the surface with a kitchen towel. Cover the entire cut surface with a dry kitchen towel, place it in a plastic bag or an airtight container, and store it in the vegetable compartment of the refrigerator. It is best to replace the kitchen towel with a new one if it becomes damp. At this time, it is better to wash the cabbage when you are ready to use it rather than washing it beforehand. This is because residual moisture can easily make the surface soggy. American culinary experts also recommend avoiding unnecessary moisture during storage and prepping only as much as needed at the time of use.

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However, a kitchen towel does not completely prevent cabbage from browning. Covering the cut surface and placing it in a bag is a practical everyday storage tip to minimize moisture loss. The storage period may vary depending on the type and freshness of the cabbage, as well as the refrigerator temperature. It is safest to aim to consume cut cabbage within three days and avoid eating it if signs of spoilage appear, such as an odor, mushiness, or stickiness. If you haven't cut the cabbage yet, another method is to peel off only as many leaves as you need. When storing it whole, do not unnecessarily peel away the outer leaves, and place the cabbage in a bag or container for refrigeration. According to data from the University of California, Davis, low temperatures and high relative humidity are important for maintaining quality when storing cabbage for a long time. While it is convenient to shred the entire head of cabbage at once, a larger cut surface area can accelerate moisture loss and discoloration. American culinary experts also recommend cutting cabbage as close to the time of use as possible. If you buy a whole head and need to store it for a long time, it is more advantageous to keep it whole and slice off only what you need for cooking.

If you want to keep leftover cabbage for even longer, freezing is also an option. However, since thawed cabbage loses its crunchy texture, it is better suited for cooked dishes like soups, stews, or stir-fries rather than salads. Culinary experts recommend blanching the cabbage for 1 to 2 minutes before freezing, cooling it in ice water, thoroughly removing the moisture, and placing it in an airtight freezer bag.

[ⓒ Global Economic Times. 무단전재-재배포 금지]