Lotus root is a common root vegetable that is rich in a variety of nutrients, such as carbohydrates, proteins, vitamin C, etc. After harvesting, lotus roots are susceptible to various factors that can deteriorate and rot, so it is important to take the right storage and preservation methods to maintain the freshness and quality of lotus roots. Here are 10 effective ways to store and preserve lotus roots:
1.Conventional storage methods.
Wash the lotus root, soak it in clean water, and change the water every 2-3 days to maintain the freshness of the lotus root. This method is suitable for short-term storage, which can maintain the freshness of the lotus root for about a week.
2.Brine immersion method.
Wash the lotus root, soak it in water with table salt, and change the water every 2-3 days to maintain the freshness of the lotus root for about a month. The specific method is to dissolve 500 grams of salt in 10 kg of water, soak the lotus root in it for 10 minutes, rinse it with water after taking it out, and then soak it in clean water with oxygen, and change the water every 2-3 days.
3.Modified atmosphere storage.
Put the cleaned lotus root in a modified atmosphere bag, and fill it with an appropriate amount of carbon dioxide and nitrogen after vacuuming, which can inhibit the growth and reproduction of bacteria and maintain the freshness of the lotus root for about a month.
4.Refrigerator refrigeration.
Keeping the cleaned lotus root in the refrigerator will keep the lotus root fresh for about a week. It should be noted that the temperature in the refrigerator should not be too low to avoid frostbite of the lotus root.
5.Sand burial storage method.
Choose a clean container or box, spread a layer of wet sand on the bottom, bury the cleaned lotus root in the sand, cover it with another layer of sand, and finally cover the container or box and place it in a cool and ventilated place. This method can maintain the freshness of the lotus root for about a month.
6.Grass charcoal storage method.
Mix the cleaned lotus root with grass charcoal powder and soak it in clean water with oxygen, and change the water every 2-3 days to maintain the freshness of the lotus root for about a month.
7.Vacuum packaging method.
Put the cleaned lotus root into a vacuum bag, and seal the bag after vacuuming, which can inhibit the growth and reproduction of bacteria and maintain the freshness of the lotus root for about a month.
8.Pharmaceutical treatment.
The use of appropriate amounts of chemicals to treat lotus roots, such as the use of preservatives such as sodium benzoate and sorbic acid, or the use of antibacterial agents such as nitrite acetate and chlorhexidine acetate to soak lotus roots, can prolong the shelf life of lotus roots. It should be noted that the relevant regulations and standards should be followed when using pharmaceutical treatments.
9.Heat treatment method.
Blanching the cleaned lotus root in hot water or rinsing it with hot water can effectively kill bacteria and insect eggs and prolong the shelf life of the lotus root. It should be noted that the lotus root should be cooled and drained with cold water immediately after heat treatment.
10.Radiation treatment.
Treating lotus root with an appropriate amount of radiation can effectively inhibit the growth and reproduction of bacteria and prolong the shelf life. It is important to note that the dose of radiation treatment should be selected and controlled on a case-by-case basis.
The above are 10 effective methods for storing and preserving lotus roots, and different methods are suitable for different storage conditions and needs. When using these methods, care should be taken to comply with the relevant operating norms and standards to ensure the quality and safety of the stored lotus roots. At the same time, it is recommended to take effective storage and preservation measures as soon as possible after picking to maintain the freshness and nutritional value of lotus roots.