The nature and flavor of calamus

It is pungent, warm and non-toxic.

How to prepare calamus

Use a copper knife to scrape off the yellow and black hard knots of the calamus root, then mix it with young mulberry branches, steam them together, expose them to the sun and then grind them powder.

Chemical composition of Acorus

Acorus contains asa ether, cis-methyl isoeugenol, methyl eugenol, calamus diol, calamus spiroenone, hydrocalamone, Calamusspirone, calamus ketone, etc.

The toxicological effects of calamus

Researchers injected calamus oil into the abdominal cavity of rats. The rats would develop rapid breathing, paroxysmal convulsions, and death in severe cases within a few minutes. . Intraperitoneal injection of aqueous extract of the rhizome has a sedative effect in mice. Variant Japanese calamus poisoning can cause gastroenteritis and diarrhea in the body.

Calamus root is mainly used to treat wind-cold dampness. It has the effect of brightening the eyes and ears. It can treat tinnitus, head, wind and tears; it can treat warm malaria in children with accumulated heat in the body. Pound it into juice and take it. Detoxify Croton and Euphorbia poisons. The tuber can cure influenza, anthracnose, and rheumatic pain; the leaves, flowers, and buds can cure febrile and painful carbuncles, headaches, and toothaches ("Dian Province Chronicles"). ?

How to take calamus

Collect a pound of calamus and soak it with rice overnight, then dry it and sieve it, mix it with glutinous rice porridge, add honey, roll it into pills, and put it in the Dry in a ventilated place.

Take calamus and dry it in the shade for 100 days, then grind it into powder. Add a small spoonful every time you drink. Long-term use can cure forgetfulness.

It should be noted that the Chinese Plant Atlas Database has included calamus as a poisonous plant. The whole plant is poisonous, and the rhizomes are particularly toxic. Taking a large amount orally will produce strong visual hallucinations, so do not use it indiscriminately and take it under medical advice.

Anthelmintic effect of calamus

Calamus is also a "green pesticide". After mashing the calamus rhizome, add 10 times the water and boil it for two hours, then mix the filtered liquid with 3 kilograms of water, which can effectively prevent rice planthoppers, aphids, red spiders, etc.