The efficacy and function of Guaouhu

Psidium guajava is the dried and ripe fruit of Juniperus chinensis, a plant of the Cucurbitaceae family. It is sweet, bitter and cold in nature, and belongs to the lung, stomach and large intestine meridians, and is a commonly used herbal medicine for relieving cough and resolving phlegm. The efficacy and effects of Psidium guajava are as follows.

Clearing heat and eliminating phlegm

Sweet, cold and clear, Gua Pou can clear lung heat and moisten lung dryness while talking about hot and dry phlegm. It is very effective in treating cough with lung heat, yellowish phlegm or dry heat that injures the lung and dry cough with little phlegm.

Broadening the chest and dispersing knots

Gua Pou is able to open up the depression and move the muddy soup in the chest downward, which is effective in relieving the chest and dispersing the knots. It can be used to treat painful paralysis of the chest caused by the obstruction of phlegm and qi and the failure of Yang in the chest, as well as wheezing and coughing without lying down.

Relieving carbuncles and dispersing knots

Gua Pou can clear heat, disperse nodules and eliminate swelling. It can often be used together with drugs that clear heat and detoxify toxins to treat internal and external carbuncles, such as pulmonary carbuncle, lactic carbuncle and intestinal carbuncle.

Laxative and laxative

Psidium guajava is made from the ripe fruit of Psidium guajava. Its kernels are moist and fatty and can moisten and smooth the bowels, which can be used to treat fluid deficiency, dry bowel and constipation.

Expectorant

The amino acids isolated from Psidium guajava have good expectorant effect. The aspartic acid contained in it can promote cellular immunity, help reduce inflammation, reduce secretion, and make sputum viscosity decrease and easy to cough up.

Antibacterial

The aqueous decoction of Psidium guajava has an inhibitory effect on a variety of Gram-positive or negative pathogenic bacteria, and also has a certain inhibitory effect on certain skin fungi.

Inhibition of ulcers

The alcoholic extract of Psidium guajava can significantly reduce the secretion of gastric acid and the concentration of gastric acid, and it has a facilitating effect on inhibiting the formation of gastric ulcer.

Protecting cardiovascular and cerebrovascular

Psidium guajava can dilate coronary arteries and increase coronary flow. When used in larger doses, it can inhibit the heart, reduce myocardial contractility and slow down heart rate. Psidium guajava can also prolong the survival time of hypoxic animals and improve the hypoxia tolerance of animal brains. Its guaifenesin acid can also keep platelet agglutination and improve blood viscosity.

Anti-cancer

The decoction of Psidium guajava and the extracts of Psidium guajava bark and Psidium guajava kernel have killing effects on ascites cancer cells in mice. The in vitro anti-cancer effect of Psidium guajava bark is better than that of Psidium guajava kernel, and the effect is strongest with 60% ethanol extract.

Contraindications to the use of Psidium guajava

1. It is not suitable for people with cold spleen and stomach, insubstantial stools, cold phlegm and damp phlegm. 2. Not suitable for use with aconite herbs, such as Chuan Wu, Cao Wu and Radix et Rhizoma.