The efficacy and effects of rooibos

Lobelia leaf is the dried leaf of Lobelia plant of the family Oleaceae, mainly produced in Inner Mongolia, Gansu, Xinjiang and other places. It is cool, sweet and bitter in nature, and belongs to the liver meridian, with the effect of calming the liver and tranquilizing the mind, clearing heat and promoting water circulation.

The effect of calming the liver and tranquilizing the mind

It can calm liver yang and clear liver fire, so it can be used for dizziness, irritability and insomnia caused by hyperactive liver yang and liver fire. In addition, rooibos leaves also have a calming effect, and can be used with keiki, magnet and other tranquilizing drugs to treat palpitations and insomnia.

Clearing heat and promoting diuresis

It can be used to treat edema, low urine and heat. It can be used alone or together with Poria, Zedoary, Plantago and other diuretic and dampness-permeating drugs.

Pharmacological effects of Lophora leaves

Effects on the heart

Injections of rooibos oil infusion were seen in anesthetized dogs with a decrease in blood pressure accompanied by a slowing of heart rate, a decrease in cardiac output, cardiac index, cardiac beat index and blood flow in the left gyrus branch of the coronary artery, but there was no effect on cardiac pre and afterload, and a decrease in myocardial oxygen consumption.

Hypolipidemic effect

The aqueous infusion of rooibos leaves significantly reduced the serum total cholesterol and triglyceride values in Triton-induced hyperlipidemic rats, but failed to reduce the cholesterol values in mice with hypercholesterolemia due to high-fat feed.

Anti-radiation and anti-chemotherapy drug effects

Robitussin also protects against radiation-induced hematopoietic damage in mice. Oral or intraperitoneal administration improves the decrease in white blood cell count caused by radiation and prolongs the survival time of mice.

Antioxidant effect

The leaf extract of Lophora japonica has an anti-oxidant effect on fruit flies, silkworm and mice, which can delay aging or prolong life span. The extract of rooibos leaf had different degrees of reducing effect on visceral lipofuscin content in mice, and could make the superoxide dismutase (SOD) activity in liver and heart of different age groups of mice generally increase. Roburin tea can improve the SOD value as well as HDL-e in erythrocytes, which may be beneficial to prevent atherosclerosis.

Anti-atherosclerotic effect

Robusta has anti-atherosclerotic effect, rooibos leaves always contain brassinin, similar to vitamin P activity, can maintain or restore the normal resistance of capillaries, enhance the flexibility and elasticity of blood vessels, can reduce serum cholesterol and prevent fat deposition in the walls of blood vessels.

Effects on the central nervous system

The ether-soluble fraction of rooibos leaves can significantly synergize with the sleep caused by pentobarbital na in mice, from which the fraction of isoquinpiadine and canthaxanthin may be a sedative component. The total extract of rooibos leaves has specific antidepressant effect in the forced swimming experiment in rats.

Diuretic effect

Robitussin leaves have a good diuretic effect. The aqueous infusion of Robitussin leaves and the burned residue of the infusion have a diuretic effect, which can significantly increase the urine volume.

Side effects of rooibos

The toxic side effects of rooibos leaves are mainly gastrointestinal symptoms, if the dosage can be reduced in time, the reaction can be reduced or disappeared; otherwise, it continues to develop and symptoms such as nausea, vomiting, diarrhea and upper abdominal discomfort appear. On the cardiac side, mainly bradycardia and pre-term contraction, the symptoms can disappear after timely discontinuation of the drug.

Contraindications to the use of rooibos

Robitussin has a mild effect and is generally not contraindicated, but because of its long duration of use, it should not be taken for a long time by people with a cold spleen and stomach. It should not be decocted in the process of use, but brewed to avoid reducing its efficacy.