Lotus root can be stored in the refrigerator or at room temperature for up to a week.

Lotus root preservation is not black method:

1. salt water immersion

Lotus root washed and peeled as soon as possible after cutting thin slices, and then as soon as possible into the salt water, lotus root contains a lot of polyphenol oxidase in the long-term contact with the air can be oxidized into the quinone of the classification of black lotus root, salt water can reduce the amount of oxygen ions in the water to avoid the direct contact between air and lotus root, can prevent the blackening of the cut. Connect the thick, can prevent blackening after cutting.

2. Soak in boiling water

Lotus root contains polyphenol oxidase sensitive to high temperatures, cut lotus root slices soaked in boiling water for 2-3 minutes to remove all the polyphenol oxidase in the lotus root in the soaking in cool water to remove the heat, so that the treatment of lotus root slices in the air will not blacken after picking up.

Extended information:

Precautions for consuming lotus root:

1.Spleen deficiency and cold stomach, easy to diarrhea should not be consumed in the raw lotus root, raw lotus root is cold, raw and cold is more difficult to digest, impede the spleen and stomach, so it is appropriate to eat cooked lotus root.

2. Lotus root is best not eaten raw. Some lotus root parasites with gingerbread worms, it is easy to cause gingerbread disease. People eat raw lotus root with cysts, cysts will develop into adult worms in the small intestine, adult worms attached to the intestinal mucosa, will cause intestinal damage and ulcers, so that people with abdominal pain, diarrhea, dyspepsia, children will also appear facial swelling, developmental delays, mental retardation and other symptoms.

3. Cut lotus root should not be stored directly. Uncut lotus root can be placed at room temperature for a week, but because the lotus root is easy to blacken, cut the part of the hole is easy to rot, so cut the lotus root should be covered with plastic wrap at the incision, refrigerated freshness for about a week.

Reference:

People's Daily Online - Lotus root blackened for a long time can still be eaten Lotus root how to save not black