When you buy lemons, you must feel hard, the skin looks tight, shiny and heavy. This well-developed fruit will be fragrant and juicy without terrible sour taste. It is precisely because lemon juice is an "important cadre" in seasoning and deodorizing, brewing drinks, making desserts and even pickling seafood fruits and vegetables, so don't put it directly in the refrigerator when you buy it home, otherwise the taste will remain on your skin.
Step 2 rescue
Preservation of lemon slices
Lemons that can't be eaten all at once after cutting can be sliced and pickled with honey, and then taken out and soaked in water to eat. It can also be sliced and pickled with rock sugar or white sugar, and can also be used for soaking in water. But make sure you don't bring water, or you may lose it.
Preservation of squeezed lemon juice
Squeeze out the inexhaustible lemon juice and put it tightly in the refrigerator. The time limit is 3 days, which will cause vitamin C to volatilize.
There is another way: buy some fresh lemons when they are on the market, pour them directly into the ice and put them in the freezer. When necessary, bring the lemon ice cubes and use them directly.
Preservation of intact lemons:
The reference is as follows, but it is a bit troublesome.
The whole lemon can be kept for about a month at room temperature.
When the oxygen concentration is lower than 3% and the carbon dioxide concentration is higher than 10%, the flavor of lemon will be adversely affected. Carbon dioxide above 10% can increase the decay of lemon and reduce the sour taste. Less than 5% oxygen will cause lemon to taste bad.
You can wrap the remaining lemons in plastic wrap and put them in the refrigerator, which is the simplest and easiest way. No matter how preserved, lemons will never be better than fresh ones. It is best to put the remaining lemons in a room or a corner, which can not only save waste, but also make the air fresh. If you want to keep it for a long time, put the lemon slices in a sealed container, add honey and soak them in the refrigerator for one month.
Conventional preservation methods of fresh lemons
1. chemical preservation method. 1 supplies. 5% potassium permanganate solution, 5% bleaching powder solution, burnt honeycomb briquette residue or activated carbon, plastic woven bag. ② Preparation of preservatives. Soak the residue of honeycomb briquette combustion or activated carbon in 5% potassium permanganate solution for several hours, then take it out, drain the solution, air-dry it in a dark and ventilated place until it is half dry, and make it into small pieces or granules, which is the preservative. ③ Disinfection of plastic woven bags. Clean and disinfect the plastic woven bag with 5% bleaching powder and put it in the shade to dry. 4 bagging. Put the lemon and preservative together in a plastic bag according to the weight ratio of 4: 1, seal it, and store it at low temperature, preferably at 0℃- 12℃. Lemons can be stored in this way for 200 days.
2. Film preservation method (fruit preservative film). This is a coating preservative suitable for citrus, lemon and other fruits. ① formula. Candelilla wax 4.0 kg, oleic acid 1.2 kg, xylene 0.05 kg, ethylene glycol 0. 1 kg, sodium carbonate 0.2 kg, morpholine 0.9 kg and water 22.2 kg. 2 preparation methods. After the above materials are heated to 80℃ for melting, they are added into 80℃ hot water and stirred evenly. ③ Method of use. When in use, the lemon can be washed, dried, dipped with a film coating agent, and then stored at 10℃-20℃. The shelf life can be extended from 1-7 weeks to 10-20 weeks.
3. Omni-directional fresh-keeping liquid preservation method. American researchers have recently invented a universal fresh-keeping liquid for fruit preservation and obtained an American patent. According to reports, this multifunctional fresh-keeping liquid is prepared by adjusting the pH value to below 3.5 with 3% citric acid or 75%-80% food-grade orthophosphoric acid, and adding 30%-40% sucrose, 0.3% sodium benzoate or ascorbic acid and 0.03% calcium hydrogen phosphate. Using this fresh-keeping liquid can not only prevent fruit from fading, inhibit bacterial reproduction, but also prevent fruit from shrinking and cracking, keep the texture of pulp unchanged, increase the sugar content and taste as good as new.
Question 2: How long can lemons be kept fresh? The whole lemon can be kept for about a month at room temperature.
When the oxygen concentration is lower than 3% and the carbon dioxide concentration is higher than 10%, the flavor of lemon will be adversely affected. Carbon dioxide above 10% can increase the decay of lemon and reduce the sour taste. Less than 5% oxygen will cause lemon to taste bad.
You can wrap the remaining lemons in plastic wrap and put them in the refrigerator, which is the simplest and easiest way. No matter how preserved, lemons will never be better than fresh ones. It is best to put the remaining lemons in a room or a corner, which can not only save waste, but also make the air fresh. If you want to keep it for a long time, put the lemon slices in a sealed container, add honey and soak them in the refrigerator for one month.
Conventional preservation methods of fresh lemons
1. chemical preservation method. 1 supplies. 5% potassium permanganate solution, 5% bleaching powder solution, burnt honeycomb briquette residue or activated carbon, plastic woven bag. ② Preparation of preservatives. Soak the residue of honeycomb briquette combustion or activated carbon in 5% potassium permanganate solution for several hours, then take it out, drain the solution, air-dry it in a dark and ventilated place until it is half dry, and make it into small pieces or granules, which is the preservative. ③ Disinfection of plastic woven bags. Clean and disinfect the plastic woven bag with 5% bleaching powder and put it in the shade to dry. 4 bagging. Put the lemon and preservative together in a plastic bag according to the weight ratio of 4: 1, seal it, and store it at low temperature, preferably at 0℃- 12℃. Lemons can be stored in this way for 200 days.
Question 3: How to preserve fresh lemons and whole lemons? I think fresh lemons and whole lemons should be covered with plastic wrap and put in the refrigerator. You can take out some plastic wrap and change it if you want to eat. If you can't use the same one all the time, it will go bad. If you change it, it won't break. I hope you can adopt my answer. Thank you!
Question 4: How to preserve dried lemon slices? Just tie the bag tightly and keep it at room temperature. I've been keeping it like this, so there's no problem that supermarkets don't have refrigeration ~
If you don't trust it, put it in the refrigerator. .
Question 5: How can lemons be preserved for a long time? Slice the lemon and marinate it with more sugar, or add honey. It can be kept for a long time and taken out when drinking.
Diced lemon is easy to dry and deteriorate, so it is best to use it when it is fresh. But if you really can't use it up, you can wrap each lemon with plastic wrap. It is not easy to use a whole lemon on the ice. Once the lemon is cut, vitamin C is easily destroyed, and the cut part is easily oxidized and turned brown. So use it up as soon as possible.
Put it in the box. If you wrap it in plastic wrap, put it in a closed container and store it in the refrigerator, you will be able to keep the lemon more delicious.
When only juice is needed, lemon can also be squeezed and frozen. The squeezed juice can be stored in a closed container or frozen into small ice cubes. Sliced lemon has limited use, but it is more convenient to use after being squeezed into juice.
In order to fully absorb the vitamins in lemon, no matter which preservation method is adopted, it should be used up as soon as possible. Fresh lemons that have not been used can be wrapped in plastic wrap to prevent them from drying, and can generally be kept in the refrigerator for a long time.
Question 6: How to preserve fresh lemons? I've done this before, but I'd better put more honey and throw all the lemons into the honey. This weather can last for a long time. I finished it in 20 days last time. It's okay. After soaking in it, it is better to drink it for three or four days. Honey and lemon detoxification has a miraculous effect.
Question 7: How to store and eat lemons? Let me answer your questions one by one.
First of all, lemons can be stored at room temperature, because the refrigerator has the function of drying, and lemons lose water quickly when put in. But if it is stable above 30, it is recommended to put it in the refrigerator.
The difference between Vietnamese green onions and yellow lemons
The green lemon is green, its skin is as smooth as orange, and its smell is light near. The inner layer is like grapefruit, and the green is yellow. The taste is not sour, and the aftertaste is slightly bitter.
Yellow lemon is rich in fragrance and delicate in skin. The pulp is light yellow in color and sour and thin in taste. After getting used to that sour taste, it is actually acceptable to taste it slowly as a fruit.
The biggest difference between imported lemons and domestic lemons is acidity. The acidity of imported lemons is relatively thin. Although it tastes sour, it has a delicious feeling and is barely acceptable. Most of the citric acid made in China is very strong and astringent, and now some varieties are no worse than those cultivated abroad. In addition, the nutrients can't be exactly the same, but the difference is not big. If it is not for beauty, you can choose domestic lemon as the ingredient.
If the lemon is soaked in water, it is best to use lemon honey water.
Hunger 1, cooling to 70℃ in boiling water, peeling and dicing lemon, and adding appropriate amount of honey.
2. Peel the lemon and squeeze out the lemon juice with a juicer. Pour lemon juice into honey, stir well, and keep it fresh in the refrigerator.
Get up every morning and drink a glass of honey lemonade on an empty stomach, and then have breakfast.
Efficacy: It can make eyes bright, skin rosy and throat moist. Regular drinking can enhance memory and prevent osteoporosis.
In addition, you can also directly use a small amount of water and ice to juice. It tastes stronger, but it's delicious.
Finally, lemon is recommended as a seasoning for fish and shrimp, and it can also be used as a substitute for vinegar. Pepper and lemon can make a hot and sour taste.
Question 8: How can lemons not go bad 1 5min1? Preservation of cut lemons.
Lemons that can't be eaten all at once after cutting can be sliced and pickled with honey, and then taken out and soaked in water to eat. It can also be sliced and pickled with rock sugar or white sugar, and can also be used for soaking in water. But don't bring water, or it may rot.
2. Preservation of squeezed lemon juice
Squeeze out the inexhaustible lemon juice and put it tightly in the refrigerator. The time limit is 3 days, which will cause vitamin C to volatilize.
There is another way: buy some fresh lemons when they are on the market, pour them directly into the ice and put them in the freezer. When necessary, bring the lemon ice cubes and use them directly.
3. Preservation of intact lemons
The whole lemon can be kept for about a month at room temperature. When the oxygen concentration is lower than 3% and the carbon dioxide concentration is higher than 10%, the flavor of lemon will be adversely affected. Carbon dioxide above 10% can increase the decay of lemon and reduce the sour taste. Less than 5% oxygen will cause lemon to taste bad.
You can wrap the remaining lemons in plastic wrap and put them in the refrigerator. This is the simplest and easiest way. No matter how preserved, lemons will never be better than fresh ones. It is best to put the remaining lemons in a room or a corner, which can not only save waste, but also make the air fresh.
In addition, if you want to keep the lemon for a long time, you should make lemon honey, slice it into a dry glass container, add honey until the lemon slices are completely preserved, seal it and put it in the refrigerator. This kind of honey can be preserved for a long time and for a month. If necessary, take out a part with a dry spoon and soak it in water. Do not touch oil and water during storage.
Need to be reminded: even if lemon is fresh, vitamin C is still decreasing, so it should be eaten as soon as possible.
Question 9: How to preserve lemons? Save them as follows:
1. Fresher lemons can be stored at room temperature for about one month.
2. Slice the fresh lemon, and then put the sliced lemon into a sealed container. Note: add honey to the container, cover it with lemon slices, and then put the container in the refrigerator for about one month.
In order to eat the remaining lemons, you can wrap the lemons with plastic wrap. Then put the wrapped remaining unfinished lemons in the refrigerator for preservation. Note: It is best to finish the remaining lemons in a short time.