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The correct procedure for decoction.
Put the medicine into the pot first, then add cold drinking water, soak for 20 to 30 minutes, then add water to cover the medicine, put the medicine pot on the fire and fry over medium heat. Generally speaking, it is divided into two decoctions, after the first decoction, pour out 150 200 ml of the liquid medicine, called the first decoction: then, add an appropriate amount of warm water (if the residue is cooled and then decoction, cold water should be put when cooking), and the second decoction is carried out, which is called the second decoction.
Sometimes you can also add water and cook the third decoction, or the fourth decoction. This should be done as instructed by the doctor.
How to calculate the time of decoction.
From the time the water is boiled, there are three situations:
1) It is used for the first acute fever, four seasons external wind cold, wind heat and other diseases of heat and divergent drugs. The first decoction is boiled over medium heat for 15 to 20 minutes, and the second decoction is boiled for another 10 to 15 minutes.
2) It is used for common chronic diseases, such as: spleen and stomach diseases, visceral dysfunction, hypertension, and cardiovascular diseases. The first decoction is boiled for 20 to 30 minutes on medium heat, and the second decoction is boiled for another 15 to 20 minutes.
3) Tonic drugs for ** deficiency diseases, such as: qi deficiency, blood deficiency, kidney deficiency and other drugs for various deficiency diseases. The first decoction is about 30 40 minutes after boiling on low heat (simmer), and the second decoction is boiled for another 20 30 minutes.
Why do some decoction pieces have to be "back down" when decoction?
Aromatic drugs, containing volatile ingredients, lose their efficacy after a long frying time, so they should wait for other drugs to be fried 5 minutes before they are put into the pot, and then the medicine is generally wrapped by the pharmacy and marked with the word "Houxia".
Medicinal materials containing aromatic and volatile oils, such as cinnamon branches, peppermint, peilan, white kom seeds, sand seeds, cinnamon, agarwood, etc., are all light and clear medicines, and the active ingredients are easy to diffuse with water vapor. For example, if peppermint is boiled for too long, the content of peppermint oil and menthol in the liquid medicine will be reduced, which will directly affect the efficacy.
Some of the active ingredients contained in decoction pieces can be quickly dissolved in water, such as: hook vine, rhubarb, senna, artemisia annua, Xu Changqing, etc., if this kind of medicine is decocted for a long time, its chemical composition may change. For example, if the rhubarb is fried for a long time, the anthraquinones contained in it will be destroyed, and the effect of laxative will be reduced, while if the hook vine is cooked for more than 20 minutes, its blood pressure lowering effect will be significantly reduced.
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1. Does it need to be cleaned before decoction?
Most of the Chinese herbal medicines are crude drugs, which are generally processed and processed before **, and there is generally no need to wash them before decoction. If you do feel that the herbs are a little dirty, you can quickly rinse them with water before soaking, and do not soak and rinse, so as to prevent a large amount of active ingredients that are easily soluble in water from being lost, which will affect the efficacy of Chinese medicine.
2. What utensils should be used for decoction of Chinese medicine?
The utensils for decoction are generally good for clay pots and casseroles, and enamel and stainless steel are also acceptable, but aluminum, iron, and copper utensils should be avoided to prevent these metal items from reacting with drugs, affecting the efficacy of drugs and even harming the human body. Li Shizhen once said: "Where decoction is not copper and iron, it is advisable to use silver clay pots."
Nowadays, the general common thing is a ceramic casserole with a lid.
3. What is the decoction procedure of Chinese medicine?
Soak. Pour the medicine into the medicine pot and flatten it, then add cold water to a height of the medicine level and soak for a few hours. In winter, if soaked in warm water at 20-30 degrees Celsius, the decoction time can be shortened, but not soaked in boiling water, so as to avoid the sudden coagulation of proteins in some plant cells, the formation of a dense envelope on the outer layer, or the formation of colloids in some polymer substances, which is not conducive to the leaching of active ingredients.
However, the soaking time should not be too long, especially in summer, so as not to cause drug enzymatic hydrolysis and soaking before mildew decoction.
If there are more mosaic drugs in the recipe and the water absorption is larger, water should be added before decoction so that the water is about 1 2 cm higher than the level of the medicine.
Heat the heat. Generally, before the drug is boiled, it should be changed to a simmer (slow fire). However, some traditional Chinese medicines for external diseases can also be boiled without changing the simmer and continuing to decoction with martial fire for about 5 minutes.
Decoction time. It should be determined according to the nature of the drug and the disease, the difficulty of dissolving the active ingredient and the drug situation. Generally speaking, it takes 20 25 minutes for the first decoction to start with boiling, 15 20 minutes for the second decoction, 10 15 minutes for the first decoction, and 10 minutes for the second decoction.
The tonic head decoction is 30 to 40 minutes, the second decoction is 25 to 30 minutes, there is a decoction of the first decoction for 10 30 minutes, and then the medicine should be put into the pot in the last 5 10 minutes.
Second decoction (re-decoction).
After the first decoction is over, strain out the medicinal juice, re-add cold water to a height of about centimeters above the level of the medicine, continue to boil until boiling, then change to simmer decoction for 15 to 20 minutes.
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Decoction of Chinese medicine is also a technical work, and the good decoction of Chinese medicine can maximize the efficacy of Chinese medicine, but if the decoction is not good, the medicinal properties will be greatly reduced, how to decoction of Chinese medicine? Let Chinese medicine teach us the whole process of decocting Chinese medicine.
Chinese medicine teaches you how to decoct Chinese medicine The steps of decocting Chinese medicine.
1. Before decoction.
1. There is generally no need to clean before cleaning and decoction. If there is sediment in the herbs, you can quickly close the water and rinse it, avoid soaking, so as not to lose some water-soluble ingredients.
2. Soak the herbs in cold water for about half an hour before soaking and decoction, which can make the water-soluble composition analyze in the soup and increase the concentration of the decoction.
2. Cooking.
1. It is better to soak the surface of the herb 2 3cm with water, or gently press the herb with your hand, and the water surface just overflows the back of the hand. Usually, some flowers and plants absorb a large amount of water, and the water level drops after soaking for half an hour, so you can add cold water to the standard water level before starting to cook.
2. Traditional Chinese medicine with general heat should be used first, and then changed to simmer after boiling. However, some of the most external traditional Chinese medicines can be boiled and continued to be boiled with martial fire for 15 minutes.
3. The time is generally traditional Chinese medicine, the first decoction should be 20 25 minutes, and the second decoction should be 15 20 minutes; Solve the surface of traditional Chinese medicine, decoction of the first decoction for 10 15 minutes, second decoction for 10 minutes; For tonic Chinese medicine, the first decoction should be 30 to 40 minutes, and the second decoction should be 25 to 30 minutes.
4. After decoction of one dose of Chinese medicine twice, the active ingredients contained in it have been greatly reduced, so it is better to decoction twice. But tonic Chinese medicine can be decocted 3 times. Some prescriptions with large dosages can also be decocted 3 times.
3. After decoction.
Immediately filter the medicinal soup and decoction well, it should be filtered and poured out while it is hot, and it should not be placed in the pot for a long time. Otherwise, the liquid containing too much colloidal body will gel with the drop of temperature, which is difficult to filter, and it is easy to cause rancidity.
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1. Soaking: Before decocting traditional Chinese medicine, it should be soaked for about 1 hour, which is conducive to the precipitation of active ingredients.
2. Decoction: The medicinal effect can be maximized through decoction, which is related to the type and nature of medicinal materials. Generally, the decoction time of Chinese herbal medicine is about 30 minutes, according to the texture of the herbs, the best decoction time is also different, ranging from 15-60 minutes, like the traditional Chinese medicine of the anti-surface class and the heat-clearing class, the medicinal materials based on flowers and leaves can be used for 15 minutes, and the traditional Chinese medicine of nourishing, rhizomes and minerals can be decocted for 40-60 minutes.
Generally speaking, the decoction of Chinese medicine is taken internally, and the second decoction is done after the first decoction. If the amount of decoction of Chinese medicine is relatively small, it can be decocted to 200-400ml, and if there is more medicinal flavor, it can be decocted to 500-650ml, and it can be drunk in two parts.
3. Utensils: The utensils for decocting medicinal materials are generally best crockpots and casseroles, and the current electronic decoction machine is also very convenient.
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First of all, soak the Chinese medicine for 30 minutes, put three bowls of water to boil into a bowl of water, pour out the medicine, let the medicine residue cool, pour three bowls of water and re-boil again, and then put the medicine cooked twice in the same big bowl, and drink it twice, so that the medicine drunk each time is even!
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1. Soak in cold water.
The retrieved Chinese medicine should be first soaked in cold water in a clean container, generally soaked for half an hour to about an hour, at this time the Chinese medicine absorbs a lot of water, but the water level should be higher than the medicinal materials.
2. Start to suffer.
Pour the soaked Chinese medicine into the casserole together with the water used to soak the Chinese medicine, if there is a special pot for decoction, it will be better to shoot the orange, fry over low heat, and the casserole is the most taboo to start with a large fire, because the heating is uneven, it is easy to crack.
3. Filter out the residue.
The first decoction of the medicine, after the decoction, it should be boiled on low heat for 10-15 minutes, and then the decoction of the decoction is poured out, and the residue is left in the casserole.
4. Continue to soak and suffer.
Continue to soak the freshly fried dregs with cool boiled water or lukewarm water, this time not too much water, just over the dregs. Then boil over low heat until 5 minutes after the water boils, pour it out a second time, and leave the residue in the casserole.
5. The third soaking, filter residue.
The third time you soak it, the method of boiling is the same as the second time, except that the color of the liquid poured out this time will be significantly weakened. After the third torment, the slag filtered out basically had no medicinal properties, but it was poured out.
6. Mix the liquid medicine and divide it into two parts.
Mix the three boiled liquids together, then divide them into two parts, and take them in the morning and evening, and heat them up the second time. Of course, different Chinese medicine requirements are different, so you may wish to consult a doctor before drinking Chinese medicine, and follow the doctor's instructions to achieve good results.
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Many friends, after reading Chinese medicine, like to decoct Chinese medicine by themselves, thinking that the decoction of Chinese medicine is thin and may not be of good quality, but they often suffer from not being able to decoct medicine. This article only introduces the conventional decoction method of traditional Chinese medicine, so that readers can refer to it urgently. How to decoction of Chinese medicine is more effective depends on the type of prescription, the disease and the method of use.
The pot, water, heat of the decoction, the length of the decoction and the special decoction method are the main factors that determine the quality of the decoction: The decoction method of internal Chinese medicine 1Decoction utensils:
Generally, stainless steel (304 food-grade stainless steel), clay pots, enamel pots, aluminum alloy pots, and non-stick pots, pig iron and cast iron pots should not be used. 2.Types of water used:
There are three types of water available in modern times: tap water, mineral water, and purified water, and the decoction is suitable for purified water or tap water after boiling and cooling. Because this water has the least amount of impurities, the residual chlorine of tap water can be volatilized by boiling. 3.
Water consumption: The amount of water used is determined according to the amount of the drug, and it is generally advisable to immerse the drug in water that is still one finger deep. The amount of water added to the medicine with a long decoction time should be more, and the amount of water added to the medicine with a short decoction time should not be too much.
It's not that the longer the mausoleum, the better, the length is appropriate. For example, medicines for acute diseases, colds, and fevers, herbs and aromatic medicines based on leaves and fine traces of rolling branches can generally be boiled for about 20 minutes, and do not need to be too long.
The decoction time of the first decoction of tonic and rhizome drugs is about 50 minutes, and the second decoction can be appropriately shortened by 5-10 minutes. 5.Fry first:
Generally speaking, most of the following types of drugs are used in internal decoction to be decocted first: (1) Drugs with certain state toxicity: the reason is that decoction for a long time can reduce the toxicity of such drugs and prevent unnecessary poisoning attacks, such as aconite, aconitum and other drugs The decoction time is more than 1 hour, and the dosage should follow the doctor's instructions, and the decoction time must be long enough, so as not to cause poisoning due to insufficient decoction time.
2) Ores and shellfish: the reason is that the drug components are not easy to dissolve. For example, raw keel, raw oysters, mother-of-pearl, raw gypsum, cold water stone, calcined ochre, etc., all need to be fried for more than 10 minutes.
6.Back: Mainly drugs containing volatile substances, such as peppermint, sand kernels, and drugs that are easy to activate the active ingredients after a long decoction, such as hook vine.
7.Calming: Most of the general glues are taken by calculating, such as ejiao, tortoiseshell glue, deer horn glue, etc.
Preparation: The powder is generally taken by washing, such as Panax notoginseng powder, ginseng powder, amber powder, Yuanhu powder, Yuanming powder, blood exhaustion powder, and deer antler powder. It can be washed with hot concoction or taken with warm water.
9.Wrapping decoction: It refers to the decoction of the medicine when it is wrapped in a cloth bag and decocted with group medicines, such as psyllium, sea gold sand, etc.
10.De-de-concentrating: Some recipes need to be de-decanned, generally after frying, and then de-de-decorate and heat to concentrate to the required amount.
Decoction method of external Chinese medicine 1Decoction utensils: All cooking pots and pans can be used.
2.Water for decoction: Ordinary tap water is fine.
The water consumption of foot baths and other bathing parties is generally about 3000 ml, and the decoction is more than 2000 ml. External liniment and wet compress can be added with water according to the dosage. 3.
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