1. About 10-20 grams.

2. Lychee cores are relatively light but very effective. Generally, 20 grams of lychee cores can be boiled in water. If there is a prescription or a doctor's guidance, follow the prescription or the doctor's guidance. , In addition, boiled lychee kernel water has mild medicinal properties, has the effect of promoting qi, dispersing stagnation, and warding off cold evil. It is best not to try it on your own without corresponding symptoms. Lychees are warm and dry, so people with yin deficiency and fire excess are best to eat less. If you are suffering from acne, sores, colds or acute inflammation, it is not suitable to eat lychees, otherwise it will aggravate the disease, but the body is weak and the stomach is cold. It is suitable to eat more. Lychee has high nutritional value. 100 grams of pulp contains 16.1 grams of carbohydrates, 10.10 mg of vitamin B, 1.1 mg of niacin, free arginine, tryptophan and other essential amino acids, and is rich in calcium, phosphorus, selenium and other minerals. Substances, lychee can also nourish brain cells, promote skin cell metabolism, improve pigment secretion and precipitation, etc. Therefore, women can choose appropriately to improve their skin condition.