Generally, it should be stored in a dry and ventilated place to avoid high temperature. In winter, put it directly in a sealed bag and put it in a dry place. In summer, it is best to seal it and put it in the refrigerator, so it can be kept for at least one year.
1. Dried longan, also known as Yizhi and Longan, is the dried product of the mature fruit of longan. It is mild in nature and sweet in taste. Contains thiamine, riboflavin, nicotinic acid, ascorbic acid and other chemical components, and has the effects of invigorating qi and enriching blood, calming the nerves and nourishing blood, and preventing miscarriage. It is suitable for insomnia, amnesia, diarrhea due to spleen deficiency and listlessness.
2, longan benefits the heart and spleen, nourishes qi and blood, calms the heart and calms the nerves. Indications are fatigue, palpitation, insomnia, amnesia, diarrhea due to spleen deficiency, postpartum edema, mental fatigue, spontaneous sweating and night sweats.
How to preserve longan?
Hello, the storage time of longan is generally around 10 day. Pack longan into a carton and put the carton in a dry, cool and ventilated place for ten days. Or it can be kept in the refrigerator for ten days.
How to preserve dried longan
Family preservation should be kept in a closed, dry container, away from light.
A large number should be kept in a cool, ventilated and dry room.
How to store longan in large quantities
The technical requirements for longan storage and preservation mainly include the following points:
1, pre-harvest care. Before fruits are harvested, water and fertilizer management and pest control should be strengthened, and no irrigation should be done 1 week before harvesting.
2. Selection of storage varieties. Generally speaking, dry-coated varieties with thick shells are more resistant to storage, while wet-coated varieties with thin shells are not resistant to storage. Therefore, longan stored, transported and kept fresh should be dry-packed and thick-shelled.
Step 3 harvest. If longan fruit is not fully mature, it will be light in flavor, lack of water and not rich in meat, which can not fully express the characteristics and excellent quality of the variety. However, the storability of overripe fruits decreased. Therefore, 8-9 ripe fruits are usually picked for storage. At the same time, we should handle it with care to achieve nondestructive harvesting. The best harvest time is cloudy or sunny morning. Fruits harvested in rainy days have too much water and are easy to rot; Harvesting in sunny afternoon will make the fruit overheat and breathe too hard, which is also not conducive to storage.
Step 4 choose fruit. The quality of fruit has a great influence on the storage effect. Sick fruit, insect fruit, weak fruit, poor fruit, damaged fruit, abnormal fruit, too small fruit, bare fruit, damaged fruit, cracked fruit, over-ripe fruit, etc. It should be strictly removed, and the leaves and long fruit stalks on the fruit stalks should be removed. You can also grade the fruits when you choose them. According to the appearance, size, weight and nutrient content of the fruit, longan can be divided into three grades: excellent, first-class and qualified.
5. medication. Invade the fruit with 0.0005-0.00 1 Tektronix solution 1 min, and take out the liquid medicine on the dry surface.
6. packaging. The whole ear after drug treatment is packed into a carton, a wooden box or a bamboo basket. The net weight of each box is 10- 15 kg, and the box should be lined with plastic film to prevent water loss. The film thickness should be 0.02 mm, or it can be packed in small plastic bags with a thickness of 0.02 mm, each with a net weight of 1kg, and then packed in a box every 10-20.
7. storage. Generally, it is pre-cooled to 8- 10℃ in the cold storage, and then stored in a refrigerated truck or cold storage. Strengthen the management in the cold storage, control the temperature and humidity in the cold storage (the temperature is kept at 3-4℃ and the humidity is 85%), check regularly, remove rotten fruits and ventilate regularly.
How to preserve longan
Longan is more suitable for cold storage at 4-6 degrees Celsius, just like animals hibernate. At this temperature, longan has life to breathe, but it consumes little energy. But it can't be kept in a sealed plastic bag, but in a net fresh-keeping bag to facilitate its breathing. If you don't have a mesh plastic bag at home, you can punch some holes in the fresh-keeping bag. In this way, fresh longan can be preserved for about 15 days. If you rely on professional freezing methods, you can keep longan for about 3 months, but the taste will be worse.
How to preserve dried longan?
Store in a dry, cool and ventilated place.
How to store dried longan?
If there is enough space, it's best to put it in the refrigerator. Otherwise, put it in a cool and dry place. Take it to dry from time to time when you have time, and make sure it's no problem.
How to preserve dried longan?
Dried longan is best stored in the refrigerator, because it tastes sweet and is easy to attract insects and ants. Refrigeration can ensure that dried longan will not reduce its nutritional value due to weathering. Of course, if dried longan is packed in zipper bags, it can be eaten within one month if it is properly sealed every time, and it only needs to be stored in a cool and ventilated place.
-We have professional experience in the production and storage of dried longan. I believe we can't go wrong.
How to store longan?
Selecting and storing vegetables
Leafy vegetables: spinach or chrysanthemum are preferred, with bright leaves and straight fat roots. If it's a salad, eat it raw.
If so, it is best to choose tender leaves. Wrap it in newspaper before refrigeration, which can not only keep moisture, but also avoid being too wet and rotten, and then put it upright on the ice with its roots down.
Boxes of fruits and vegetables are stored in the fresh-keeping room.
Tomatoes: It is best to choose medium and large tomatoes with round fruit shape and green fruit color. If the fruits are all red, they will lose their crispness. The fruit shape of small and medium-sized tomatoes is round or rectangular.
Bright red fruit is better, and yellow red fruit is not sweet enough. When storing tomatoes, they should be placed head-down separately. If tomatoes are stacked, the overlapping parts will rot quickly.
Cucumber: Fresh cucumbers have verrucous protrusions, which are fresh when rubbed by hand. If the head is soft, there are often holes.
Appear, it is best not to buy. Cucumber will slowly dry at room temperature. Before cold storage, the surface moisture of cucumber must be dried and put into a sealed fresh-keeping bag with the mouth sealed.
Refrigerate it when it's ready.
Bitter gourd: when choosing bitter gourd, it should be hard, heavy, bright and crystal clear. The bigger the wart on the surface, the better, so bitter gourd is not so bitter. If the melon body
The inside is red, which means the melon is overcooked. Bitter gourd has the function of rapid ripening, which is not resistant to storage and should not be stored in the refrigerator for more than 2 days.
Mushrooms: Part of the meat of mushroom umbrella is thick and elastic, with no markings and bright brown. Fresh mushrooms will have a film inside the mushroom umbrella. If it appears here,
It's brown spot, which means it's not very fresh. If you buy too much at a time, you can put it in the freezer of the refrigerator.
Potatoes: The quality on the market is not bad, but avoid buying if the surface is too uneven. Round potatoes belong to powdery potatoes and are suitable for cooking.
Salad or baked potato; The slender Queen of May is sticky and not easy to cook, so it is suitable for curry. Based on the principle of normal temperature storage, it can be cleaned without cleaning.
In order to put potatoes and apples together, store them in a cool place, because apples will release an ethylene gas that will age other fruits and vegetables, which can inhibit potato germination.
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Taro: Taro with few fibrous roots, wet mud, a little moisture and no scar on the skin is the freshest. Before storing taro, remove the soil and dry it with a dry newspaper.
Wrap the paper and put it in a cool and ventilated place.
Cauliflower: high-quality cauliflower is hemispherical, with dense flowers, green pedicels in the middle, heavy weight and no black spots. Cut the cauliflower into small pieces and scald it slightly.
After that, pick it up, drain it and let it cool. At this time, you can put it in a fresh-keeping bag and put it in a freezer for freezing. The purpose of scalding cauliflower is to prevent cauliflower from turning yellow. But you can't.
Cauliflower goes bad easily if cooked for too long.
Green beans: avoid beans that are prominent, and bright green and elastic are better. Green beans can usually be stored in plastic bags for 5 to 7 days.
But after a long time, brown spots will gradually appear. If you want to keep it for a long time, it is best to wash the green beans, scald them with salt water, drain the water, and then put them in the refrigerator for freezing.
, can be kept for a long time. Remember to drain the water so that the frozen green beans don't stick together.
Green pepper: choose the one with tight and shiny skin and sharp end. If it is directly refrigerated, the green pepper will slowly soften. It is best to keep it in a sealed fresh-keeping bag, or keep it in a plastic bag with holes.
Small holes can avoid water vapor condensation.
Cabbage: the surface should be dry, the leaves should be thick, the veins should be thin (thick is old), hard to feel, heavy, fresh and crisp. The cut of the cut cabbage will gradually turn black.
If stored at room temperature, it can only be kept fresh for 2 to 3 days. Bought cabbages are usually wrapped in a layer of plastic wrap, which must be peeled off and then put into dense containers.
Sealed, bagged and put in the refrigerator, which can keep fresh 1 week. In addition, if you dig out the cabbage core before freezing, then screw it out with a wet kitchen towel and stuff it into the cabbage core.
Storage in sealed fresh-keeping bags can prolong the shelf life.
Bamboo shoots: hemp bamboo shoots-when purchasing, bamboo shoots should be wide at the base, bright in color, not dry and wilting, and closer together.
Meng Zongsun-Winter Bamboo Shoot: Bamboo shoots are yellow-brown like yellow horns. Their meat is hard and strong, but the part with less fibrosis at the bottom is better. Spring bamboo shoots-mostly upright,
Because there are light black hairs on the skin, it is also called bamboo shoots. When purchasing, the bottom of bamboo shoots is wider and the tip of bamboo shoots is tighter.
Bamboo shoots in Guangxi-bamboo shoots are very small, buried under the soil, and it is not easy to harvest. Generally, the bamboo shoots of Cinnamomum cassia are not bamboo shoots, but exposed ... >>
How long can dried longan be preserved?
Dried fruits, such as dried longan, can always be eaten as long as they are kept dry, not placed in wet places, not rotting and not producing mold. The reason why you can't eat it is because
Humidity and decay will produce some mold substances that are harmful to the body. You dry it and get up.
The code can be guaranteed for one year.