Fresh longan is also called longan. Longan is rich in water and has extremely high nutritional value, but it is not very advantageous in terms of preservation, so many people dry longan and make it into dried longan. If you want to dry longan, you need to master certain steps and methods, and you should also pay more attention when selecting longan. Here we will introduce to you the drying method, selection method and effects of fresh longan. How to dry fresh longan into longan 1. Processing of longan: Cut the longan fruits with stems one by one, pick out the bad ones and keep the good ones for later use. 2. Cleaning longan: Use clean water to wash away the dust on the longan skin. Do not wash too hard. It is best to rinse with water. 3. Boil longan in water: Bring the water to a boil, then put the longan in for 1-2 minutes (just rinse it in water). This is only used for disinfection and sterilization, and is conducive to drying. Wait until the longan is cool before drying. 4. Dry the longan: Cover it with gauze to prevent dust and dry it in the sun for about 3-4 days until the moisture in the longan is dry. 5. Storage of longan: seal it in a plastic bag and store it in a cool place. How to choose fresh longan 1. Pinch: Pinch the fruit with your fingers. If the shell is hard, it means the fruit is raw and unripe. If it is soft and elastic, it is ripe. If it is soft but not elastic, it is over-ripe and about to deteriorate. 2. Look: The lighter the color, the better the quality. If there are white spots on the shell or the end of the stem, it means that the flesh has begun to mold. The more white mold spots on the shell, the more serious the moldy condition of the flesh. Choose longan peel that is spotless, clean and tidy. Some of them have mold spots on the surface. Don't choose this kind of products as they are very harmful to your health. Don’t choose those with cracks on the surface, as the taste inside will be very strange. 3. Roll: Pour the longan on the table. Good quality longan has a high sugar content, and the shell, flesh and core are connected, making it difficult to roll on the table; the opposite is true for poor quality longan. 4. Peel: After peeling, the flesh is thick, uniform in shape, soft and transparent or translucent, and tastes sweet; if the flesh is whitish and opaque, it is not fresh longan. The efficacy and function of fresh longan 1. Tonify Qi and blood, enhance memory: Fresh longan is rich in glucose, sucrose and protein, and has a high iron content. It can promote the regeneration of hemoglobin to replenish blood, has a tonic effect on the whole body, can enhance memory and eliminate fatigue. 2. Soothe the mind and calm the spirit: Fresh longan contains a large amount of iron, potassium and other elements, which can promote the regeneration of hemoglobin to treat palpitations, panic, insomnia and forgetfulness caused by anemia. 3. Nourishing blood and stabilizing pregnancy: Fresh longan contains more iron and vitamins, which can reduce uterine contractions and sagging sensations, is beneficial for pregnant women with accelerated metabolism and fetal development, and has a stabilizing effect on pregnancy. 4. Antibacterial, inhibiting cancer cells: Fresh longan has a certain inhibitory effect on cancer cells. 5. Lower blood lipids, protect the heart, and delay aging: Fresh longan can lower blood lipids, increase coronary blood flow, and has a strong inhibitory effect on the flavin protein - brain type B monoamine oxidase, which is closely related to the aging process, and can delay aging. |
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