The fresh period of onion ripening is the period with the highest nutritional value. During storage, the onion nutrients will gradually decrease; if the onions are not properly preserved, they will germinate; onions that have begun to germinate or become soft in some places will no longer be edible.
Onion storage method
1, the Tibetan deposit:
Choose a dry and ventilated place and use a log or stone to pry the bottom of about 30 centimeters in height and 1.6 meters in width, and pour the fully dried onion pods into a bowl of 1 to 1.6 meters in height. Cover 3 ～4 mats, two mats around the four, tightly bound with ropes, to prevent the sun and rain, keep dry, early after the closure of the mat, down 1-2 times, every time after the rain should check, if any Leaking water and then cover the mat. Cover straw insulation when the weather is cold. In cold regions, when the temperature drops below zero, the demolition is moved to an empty house or warehouse for storage and the temperature is maintained at -2 to 3°C. Thaw at 0～2°C before going on the market.
2, hanging:
In small quantities, the well-dried onion pods can be hung under the eaves or in the back of the greenhouse, as long as ventilation, drying, and rain are absent. When it is stored in large quantities, it can be hung in an empty room or in a dry place, with a wooden rack for hanging onions.
3, blank:
This method is limited to a small amount of storage, the good sun-dried onion head mixed with fine sand and into mud, made of 2.5 to 5 kg weight of adobe, dried in a dry and ventilated place, pay attention to rain moisture. When the weather is cold in the cold, it is found that when the adobe is cracked, the cracks are promptly filled with fluvo-aquic soil.
Cut open onion preservation method
Once the onion is cut, even if it is wrapped in plastic wrap and stored in the refrigerator, its nutrients will be quickly lost due to oxidation. Therefore, it is best to eat as much onions as you can, and try to avoid storing after cutting.
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