Grapefruit juice is a kind of beverage, with grapefruit as raw material and sugar, soda and ice as seasoning. Delicious food is made by mixing drinks in a blender.

Grapefruit is sweet, sour and cold in nature, and has the effects of invigorating stomach, promoting digestion, reducing qi and resolving phlegm, and being light and happy. Modern medical research has found that grapefruit meat is rich in vitamin C and insulin-like components, so it has the effects of lowering blood sugar, reducing blood fat, losing weight and beauty beauty. Regular consumption helps to treat diseases such as hypertension, diabetes and arteriosclerosis. It has the functions of strengthening body constitution and beauty beauty for obese people. Grapefruit also has the effects of invigorating stomach, moistening lung, enriching blood, clearing intestine and relaxing bowels. It can promote wound healing and has a good auxiliary effect on septicemia. In addition, grapefruit contains glucocorticoid, a physiologically active substance, which can reduce blood viscosity and reduce the formation of 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.

Hydrogen ion concentration index is a method to express hydrogen ion concentration. It is the negative value of the common logarithm of hydrogen ion concentration (activity) in aqueous solution, that is, -lg[H+]. Commonly known as "pH" or "pH value".