Among many autumn fruits, grapefruit is the largest, generally exceeding 1 1,000 grams. Every year, it ripens around 65,438+05 in August of the lunar calendar, and the skin is thick and storable, so it is called "canned natural fruit".
Grapefruit has a high nutritional value, and is rich in protein, organic acids, vitamins and essential elements such as calcium, phosphorus, magnesium and sodium, which is incomparable to other fruits. Every 100g grapefruit contains 0.7g of protein, 0.6g of fat and 57kcal of calories.
Grapefruit not only has high nutritional value, but also has the effects of invigorating stomach, moistening lung, enriching blood, clearing bowel and relaxing bowels, which can promote wound healing and has a good auxiliary effect on septicemia. In addition, grapefruit contains glucocorticoids, a physiologically active substance, which can reduce blood viscosity and reduce thrombosis, so it also has a good preventive effect on cerebrovascular diseases, such as cerebral thrombosis and stroke. Fresh pomelo meat is an ideal food for diabetic patients because it contains insulin-like components. Motherland medicine also believes that grapefruit is sweet and sour, cold in nature, and has the effects of regulating qi and resolving phlegm, moistening lung and clearing intestine, enriching blood and strengthening spleen, which can cure anorexia, light mouth and indigestion, help digestion, resolve phlegm and quench thirst, regulate qi and disperse stagnation.
Selection of pomelo peel
In terms of material selection, it is best to choose the pomelo peel of Thai golden pomelo. Because the skin of Thai golden pomelo is thick, white and rich in aroma; It would be better to use immature pomelo peel from Shatian, Guangxi. Pomelo peel is thicker and more fragrant, which is a rare good material.
Pomelo peel method
Take 1 grapefruit, vertically carve the grapefruit peel into a five-petal boat shape with a fruit knife, then peel it in all directions and take out the grapefruit pulp. Be careful when taking grapefruit pulp. It is best not to break the grapefruit skin and keep it intact.
Pomelo peel treatment
With grapefruit skin, first cut off the yellow skin, which is hard and astringent and can't be eaten, leaving a white "cotton wool" inner layer.
Then roll the grapefruit peel with boiling water for 10 minute (chopsticks can pierce it), then pick it up and soak it in clear water for one night, then pick it up the next day to squeeze out the water, and then soak it in clear water for several times. After removing the green smell of grapefruit peel, cut it into blocks.