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Houttuynia Herb side effect

2022-08-25

Many people know that drinking Houttuynia cordata has curative effects on respiratory diseases in the body, and it can even be drunk continuously for a long time. So, is Houttuynia cordata poisonous? Does Houttuynia cordata have any side effects?

Is Houttuynia cordata poisonous?

Hu Suiyu, a professor at the Institute of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University replied: Houttuynia cordata is a perennial herb, mainly produced in the southern provinces of my country, and people often eat it as a wild vegetable in Hunan, Guizhou, Sichuan, and other places. Houttuynia cordata is also a vegetable and medicine. It is a very important and widely used Chinese herbal medicine. Known as the "king of medicinal herbs". Houttuynia cordata is acrid and slightly cold, enters the lung meridian, and has the effect of clearing away heat and detoxifying, especially for respiratory diseases. It also has good anti-radiation and anti-air pollution effects.

Houttuynia cordata is generally sun-dried when used as medicine, and has little compatibility with traditional Chinese medicine formulations. At present, there is no clinical report of Houttuynia cordata poisoning. Houttuynia cordata is rumored on the Internet to be poisonous, mainly because long-term consumption of Houttuynia cordata as a home-cooked dish may damage the kidneys.

Does Houttuynia cordata have any side effects?

Houttuynia cordata has two effects on human health: First, it contains Houttuynia acid (decanoylacetaldehyde) with antibacterial and anti-inflammatory effects, which can effectively inhibit the growth of Staphylococcus aureus, Haemophilus influenzae, Streptococcus pneumoniae and other bacteria. For fever, cough, and sore throat. On the other hand, most residents in Hunan and other places mainly eat fresh Houttuynia cordata. From the perspective of traditional Chinese medicine, fresh Houttuynia cordata has a cooling effect. Excessive consumption of Houttuynia cordata can cause the body to become too cold, such as the constriction of the capillaries of the gastric mucosa. , which in turn affects the secretion of digestive juices such as pepsin and gastric acid, and even leads to various gastrointestinal diseases such as stomach cold and diarrhea. Many digestive enzymes in the stomach must have a certain activity at a certain temperature to play the role of digesting food. If you eat too much raw and cold food, it will reduce the activity of various enzymes, resulting in a decrease in the rate of food absorption. At present, there are many people with kidney deficiency, and cold food is the most harmful to yang. Chinese medicine believes that the kidney can only replenish, not purify. It is reasonable to eat too much cold and raw food, causing kidney deficiency.

But that doesn't mean Houttuynia cordata can't be eaten at all. Houttuynia cordata is not our daily main course, it is eaten in limited quantities, and its risk is lower than that of many foods and medicines. However, fresh Houttuynia cordata is a wild vegetable that has not been cultivated for a long time and is not suitable for daily consumption. For occasional serving, soak in tap water for 1 hour, blanch in boiling water, and toss with seasonings.

How much houttuynia should be eaten a day

Houttuynia cordata is a Chinese herbal medicine with the functions of clearing away heat and detoxifying, diuretic, and swelling. toxic-free and safe.

The Chinese Pharmacopoeia requires that the daily dosage be between 15-30g, and the decoction time should not be too long. so as not to affect the efficacy of the drug. Due to the cold nature of Houttuynia cordata, long-term high-dose use may lead to spleen deficiency, causing diarrhea and other symptoms, which can disappear on their own after stopping the drug.