Preparation, efficacy and side effects of Houttuynia cordata extract

Houttuynia cordata extract is a substance extracted from Houttuynia cordata. Houttuynia cordata is a food that many people are afraid of because of its special smell that is not acceptable to ordinary people. However, the therapeutic value of Houttuynia cordata extract is very high. It can clear away heat and detoxify, resolve phlegm and relieve cough, and promote diuresis and relieve stranguria. Therefore, although it tastes special, many people still eat it. Here we will introduce the preparation, efficacy and side effects of Houttuynia cordata extract.

1. Preparation method of Houttuynia cordata extract

Houttuynia cordata extract is extracted from the whole plant and is a fine brown-yellow powder. It comes from the dried aerial parts of the perennial herb Houttuynia cordata of the Saururaceae family.

Houttuynia cordata extract, mesh size 100 mesh, extraction process: crush the Houttuynia cordata raw material, can it (6 cubic cans with 700 kg), boil it for three times with 10 times the amount of water, each time for 2 hours, combine the extracts, and discard the residue. The extract is concentrated under reduced pressure to evaporate water to an extract with a specific gravity of d=1.10-1.15, and spray-dried in a spray drying tower to obtain Houttuynia cordata extract powder, which is crushed, passed through a 100-mesh sieve, mixed, and packaged.

2. Medicinal effects of Houttuynia cordata extract

Houttuynia cordata extract has the effects of clearing away heat and detoxifying, eliminating carbuncle and expelling pus, and promoting diuresis and relieving stranguria. It is used to treat lung abscess with pus vomiting, phlegm-heat, cough and wheezing, hot dysentery, hot stranguria, carbuncle, swelling and ulcer. For internal use, decoction is 15-30g (double the amount for fresh product). Do not decoct for too long. For external use: take appropriate amount, mash and apply; or decoct in water for fumigation and washing. Contraindications: Use with caution if suffering from deficiency-cold syndrome.

3. Taboos and side effects of Houttuynia cordata

Houttuynia cordata is good, but it also has contraindications: Contraindications: 1. It is not recommended for patients with deficiency-cold syndrome or negative external ulcers. 2. "Famous Doctors' Records": Eating too much can cause shortness of breath. 3. Meng Shen: Eating it for a long time will cause weakness, damage yang energy, and consume essence. Note: Patients with weak constitution and negative external ulcers cannot eat Houttuynia cordata. In addition, Houttuynia cordata should not be consumed in excess, otherwise it will induce asthma. Also, Houttuynia cordata should not be consumed for a long time. If consumed for a long time, it will damage the Yang Qi and make the physical constitution weak.

Side effects of Houttuynia cordata : very low toxicity, a fishy smell after oral administration, local pain may occur when injected intramuscularly; it is somewhat irritating to the vaginal mucosa. Houttuynia injection can cause allergic reactions. In severe cases, it can cause anaphylactic shock or even death, so it should be taken seriously.