Effects and functions of hibiscus

The efficacy and function of leaves

Hibiscus leaves have nutritional value. In Europe and the United States, its young leaves are sometimes used as a substitute for spinach, and its flowers are sometimes made into pickles. The roots are also edible, but because they are high in fiber and mucus, they are rarely eaten.

The efficacy and function of flowers

Clears the lungs; cools the blood; eliminates dampness; detoxifies. It is used for cough due to lung heat, hemoptysis, epistaxis, metrorrhagia, leucorrhea, dysentery, red and white turbidity, carbuncle, swelling and ulcer.

Dosage and Usage of Hibiscus

For internal use: decoction, 15-30g. For external use: take appropriate amount and mash it for application.

Pharmacological effects of flowers

Hibiscus flowers contain glycosides, which can lower blood pressure in anesthetized dogs. Intravenous injection of these substances can sharply lower blood pressure, which will then rise slightly and then drop again, lasting for 1-2 hours. This antihypertensive effect is not affected by atropine and blood pressure is also reduced in spinal cord dogs. It has a spasmolytic effect on the small intestine of rats, rabbits, and guinea pigs, the bronchi of rats, dogs, and rabbits, and the uterus of rabbits, which can be blocked by atropine.