1, heap retting peeling method:
It is a traditional walnut peeling method in China. The technical point is that the fruits should be transported to the outdoor shade or indoors in time after harvesting, and then piled up in piles according to the thickness of about 50cm (too thick will rot). If a layer of hay or dried leaves with a thickness of about 10cm is added to the fruit pile, the temperature in the pile can be increased, the fruit ripening can be promoted, and the peeling speed can be accelerated. Usually it will be piled for 3 to 5 days. When the green husk is detached from the shell or cracked by more than 50%, it can be peeled with a stick. For those that are not peeled, they can be piled for several days until they are all peeled. When composting, the green husk should not be black or even rotten, so as to avoid sewage infiltrating into the shell to pollute the seeds and reduce the quality and commodity value of nuts.
2. Drug peeling method (not recommended):
Because of the long peeling time, low working efficiency and high fruit pollution rate, it has a great influence on the quality of nut products. Since 1970s, some units began to try the technology of ripening and peeling with ethephon. The specific method is: after the fruit is harvested, soak it in 0.3%~0.5% ethephon solution for about half a minute, and then pile it in the shade or with a thickness of about 50cm. It can be peeled off in about 2 days. The ripening time and concentration of ethephon are related to fruit maturity. The fruit has high maturity, low drug concentration and short maturity.
3. The green walnut peeler can be used to peel green walnuts.
How to wash off walnut skin?
Method 1: Fresh fruit juice can be smeared on the stain with salt (let the fruit juice adsorb on it)-soaked in water-washed with soap.
Method 2: Dry the juice with vinegar-let it stand for 5 minutes-and then wash it with water.
Method 3: The scarf is invincible!
Method 4: Wash and dissolve baking soda with water.
The last trick is also a coup: wash the colored fabrics with concentrated brine → water → 10% ammonia water → detergent in turn; White fabric can be soaked in bleaching solution (3%~5% sodium hypochlorite solution) for 1 ~ 2 hours, and then rinsed with clear water. Peach juice stains can be soaked in oxalic acid solution for a few minutes and then washed off with water.
Give it a try and see which method suits you:
The method of yellowing and dyeing clothes to make them white:
1, reverse drying method. When hanging clothes, turn them upside down, facing the sun inside and facing the shade outside.
2. Add alum method. When washing man-made fiber clothes, add some salt to the water; A small amount of alum can be added to the water for washing high-grade clothes, which can avoid or reduce the fading of clothes. (Available at Alum Drugstore)
3. salting method. When washing colored cloth, adding 1-2 tablespoons vinegar to detergent can also prevent clothes from fading.
4. Ink dropping method: drop 3-5 drops of pure blue ink into a basin of clean cold water, stir it evenly by hand, then put the washed white shirt in water, lift it up and down for 3-5 times, and take it out to dry.
5. Adding method of hydrogen peroxide: For the bleaching of silk and wool fabrics, 3% hydrogen peroxide can be used, the liquid volume is 10 times of the weight of the fabric, and a small amount of ammonia water can be added to make it weakly alkaline. Soaking and bleaching at normal room temperature for 5- 10 hour, washing and drying.
6, add lemon juice method: when washing white silk fabrics (such as white socks), add some lemon juice in water, soak for 10 minutes, then finish washing, and finally rinse with water, which can make the clothes more white.
7. Soaking method of skim milk: soak the white silk fabric with skim milk before washing, or add 2 tablespoons of milk to the water during the last rinse to keep the natural color of the white silk fabric and prevent it from turning yellow.
8, radish soup washing method: white clothes, if there is dirt, can be washed with radish soup, can be as white as new.
9, orange peel water immersion method: when washing white clothes, you can put the orange peel into the pot and heat it to boiling, soak it in yellow soup and wash it, so that the clothes are as white as new.
In order to make the white shirt whiter, bleaching powder can be added to the soaked washing powder solution when washing, and then washed after soaking for 20-30 minutes. In addition, if the white shirt is often washed with rice, it is not easy to yellow; Or after washing clothes, rinse with clear water dripping with blue ink, which can also effectively prevent white clothes from turning yellow.
10. After washing, float in the bag to dry: wash with water first, and then knead with soap or washing powder. After washing with clear water, gently rub it out with soap or washing powder without washing, then put it into plastic bags, tie your mouth, dry it in the sun for more than 1 hour, and then rub it out. (for vest)
1 1. Soaking: Put the dyed clothes into a basin and add hot water and baking soda powder (add 10 spoon baking soda or baking soda powder tablets per liter of water). Leave it overnight and then wash it to reproduce the white color.
12, mode of administration: 84 or Amway SA8 is generally used, and various whitening agents are sold in shopping malls. There is also the use of "stain net", that is, potassium permanganate and acetic acid. See the instructions for details.
13, salting method: first wet the dirty place with water, then cover it with edible salt, and then gently knead it by hand repeatedly. The dyed color will disappear, and finally it will be washed with water.
How to get rid of walnut green peel?
First, dry it naturally in the shade.
Walnut with healthy skin, disease-free and insect-free is in good condition. After planting trees, naturally air-dry in the shade for a few days, the epidermis will wrinkle and shrivel, and the green husk will naturally separate from nuts. However, for the injured walnut, the green peel has turned black locally, so this method is not applicable, because it will cause the peel to turn black.
Second, artificial peeling.
Specific steps: firstly, peel off a large piece of green peel with a knife, continue to brush the remaining green peel with an iron brush combined with clean water, and finally carefully clean it with a fine needle and toothbrush. The whole process is best carried out with rubber gloves, otherwise the skin on your hands will be dyed black. In addition, we should also pay attention to: don't let the juice of the green husk splash on other skins, otherwise it will fester, because the green husk of walnut is also called "Qinglongyi", and its juice is highly toxic. Don't splash it in your eyes. The biggest advantage of peeling green skin artificially is that the skin color looks good, and the naturally deboned walnut skin is dark.
How to remove hands after peeling walnuts
The reason why fresh walnut skin will be black handed is because it contains "walnut green pigment".
Juglandins: A traditional Chinese medicine ingredient for treating dermatitis, extracted from Juglandins, contains tannic acid (tannic acid) and gallic acid, and turns black after oxidation, which is most suitable as a colorant in hair dyes. At present, only dilute strong acid, such as dilute sulfuric acid, can quickly remove the black after oxidation and discoloration.
If the skin is contaminated with black oxide of walnut green, you can only wash your hands frequently and slowly remove it by metabolism, aging and shedding of epidermal cells of human skin. For the newly infected fruit juice, sprinkle some salt, gently moisten it with water, and then soak it in soapy water for cleaning. For slight fruit stains, you can wash them with cold water and then wash them until they are clean. For heavy pollution, dilute ammonia water (1 part ammonia water to 20 parts water) can be used to neutralize organic acids in fruit juice. Wash with soap. Woolen clothes can be washed with tartaric acid solution. Silk can be washed with citric acid or with soap and alcohol solution. Drop a few drops of vinegar on the juice stain, rub it with your hands a few times, and then wash it with water. I hope I can help you. If you are satisfied, please adopt it. Thank you! .