Guava is rich in nutrition, and rich in vitamin C has a good effect on treating diabetes. Soaking with Qiongzhen Ganoderma lucidum can lower blood sugar and treat diabetes. Guava can be beauty beauty, and you can lose weight. Supplementing various nutrients needed by human body, improving human digestive system, improving human immunity and treating some physical diseases. Vitamin c in guava has the effect of treating male infertility. In addition, it can reduce the risk of common cold, swollen gums, high blood pressure, obesity, diabetes and cancer. Guava is rich in dietary fiber, which is good for people with constipation. For people who are trying to lose weight, the high fiber content of guava is also beneficial. If guava is regarded as a daily food, then according to the research results, guava has the effects of anti-cancer and heart disease treatment.

1. Hypoglycemic effect: When normal rabbits were fed with 25g/kg guava juice, the blood sugar level decreased by 65438 09%, and that of diabetic rabbits decreased by 25%. The drug effect reached the highest 4 hours after taking the medicine, and the original blood sugar level was restored within 24 hours.

2. Hemostasis: 20mg/kg of gallic acid extracted from Guava can shorten the average coagulation time by 565,438 0%.

3. Anti-fertility effect: Guava root decoction has obvious anti-fertility, anti-implantation, anti-early pregnancy and induced labor in mice; The best route of administration is intraperitoneal injection, followed by subcutaneous administration, and oral administration is almost ineffective; It can enhance the contraction of mouse uterus in vitro and in vivo, especially the contraction of pregnant uterus. Combined with prostaglandin E2, it has obvious synergistic effect on resisting early pregnancy and exciting isolated uterus in mice. Its mechanism of action may be to damage placental trophoblast cells, cause degeneration and necrosis, or interfere with progesterone secretion. The effective antifertility component of guava root may be tannin, especially guava ellagic acid glucose.

4. Toxicity: subcutaneous injection of guava decoction can cause scab and tissue necrosis in mice, and intraperitoneal injection can stimulate the liver, which is harmful to the liver. The lethal dose of guava decoction to mice was 2.84g (crude drug) /kg.