Different methods of processing Evodia rutaecarpa

Evodia rutaecarpa is a common Chinese medicinal material and has many clinical applications for treating toothache, eczema, mouth ulcers, vomiting and other symptoms. There are some differences in the preparation methods of Evodia rutaecarpa between ancient and modern times. You can learn about some modern methods of preparing Evodia rutaecarpa.

1. Ancient processing methods

There was a method of frying in the Han Dynasty (Yu Han). During the Liu Song period of the Northern and Southern Dynasties, salt and vinegar were produced (Leigong). In the Tang Dynasty, there were methods such as making it with ginger juice, wine (Diet Therapy), and boiling (Wai Tai). In the Song Dynasty, there were cooking methods such as stir-frying until cooked, stir-frying until charred, making with vinegar, roasting (Shenghui Fang), simmering (Boji), soaking in soup (Yanyi), "soaking in water to remove the saliva and stir-frying", soaking in vinegar and stir-frying, soaking in wine and stir-frying, making with black beans, soaking in soup to remove the saliva and stir-frying with soybeans (Zonglu), making with wine, vinegar and urine of children (Ju Fang), making with salt (Zongwei), boiling with rice vinegar (Sanyin), boiling in soup (Furen), steaming, and soaking in urine of children (Zhu Shi). In the Yuan Dynasty, there were methods such as washing with soup and drying (Discussion on the Spleen and Stomach), washing with wine and drying (Baojian), and frying with salt (Danxi). In the Ming Dynasty, there were methods such as scalding and frying until yellow, frying until yellow in vinegar, frying until fragrant in wine, copying with wine, vinegar, urine, rice water or pig uterus, wine, vinegar, urine and salt, cannon, wine and vinegar, frying with Psoralea corylifolia (Puji Fang), soaking in water, frying with Coptis chinensis and Pharbitis chinensis seeds (Qixiao), soaking in soup and drying (Mengquan), boiling (Cuyao), soaking in soup to remove the bitter juice and frying in salt water (Entry Level), soaking in boiling salt soup to remove the poison and frying (Renshu), soaking in salt soup and baking to dry (Must Read), making with children's urine (Jingyue), frying until black (Jiyin), etc. In the Qing Dynasty, there were processing methods such as Coptis chinensis (Wuling), washing and drying with salt water (Bencao Hui), soaking in boiling water (Chongyuan), frying with salt and boiling with urine of children (Shuoyue), boiling with glutinous rice (Bencao Shu), and washing with wine (Jinjian).

2. Modern processing methods

1. Evodia rutaecarpa: Take the original medicinal material and remove impurities, fruit stalks and branch stems.

2. Preparation of Evodia rutaecarpa: ① Put licorice slices in a pot, add water (1:5) and boil twice, remove the residue, add clean Evodia rutaecarpa and mix well, steam and absorb all the moisture, heat over low heat, stir-fry until dry, take out and let cool. Use 6kg of licorice for every 100kg of Evodia rutaecarpa. ② Take clean Evodia rutaecarpa, add salt water and mix well, simmer for a while, put it in a frying container, heat it over a low heat, fry until it cracks and slightly swells, take it out and let it cool. Use 3kg of salt for every 100kg of Evodia rutaecarpa. ③ Take clean Evodia rutaecarpa, place it in a frying container, heat it over low heat, fry until it foams and becomes slightly darker than its original color, take it out and let it cool.

3. Clinical application

1. Raw use

(1) Mouth ulcers: Grind this product into powder, mix with vinegar and apply to Yongquan acupoint. Remove after 24 hours. It can guide the fire downward and treat mouth and tongue ulcers caused by false fire, high blood pressure, etc.

(2) Toothache: "Compendium of Materia Medica for Food Therapy" uses decoction of Evodia rutaecarpa and gargle with wine to treat toothache caused by wind and cold, which has the effect of dispelling cold and relieving pain.

(3) Eczema: Grind this product into fine powder and make a 30% or 20% ointment with vaseline to treat chronic eczema; a 10% ointment can also be applied externally to treat impetigo. "Ancient and Modern Prescriptions" uses this product to boil water for three to five times, and washes the affected area externally. It is used for vulvar itching and sores, and can also treat various sores.

4. Preparation and use

(1) Cold pain in the abdomen: It is often used together with roasted ginger, cinnamon (peeled), Sichuan pepper (fried until sweating), Magnolia officinalis (roasted with ginger juice), etc., to dispel cold and relieve pain. It is used for internal accumulation of yin and cold, abdominal distension and pain, such as Evodia rutaecarpa Decoction (Zonglu). If this product is used in combination with coptis root, pinellia tuber, papaya, etc., it can treat epigastric pain and inability to eat, vomiting after eating, and a stringy pulse, such as the newly formulated Evodia rutaecarpa Decoction (Jinkui Yi).

(2) Vomiting: Vomiting caused by spleen and stomach deficiency and coldness is often treated with dried ginger, white atractylodes, pinellia, aconite, etc. to treat hiccups, vomiting of clear water or thin saliva, pain in the epigastric area, preference for heat and pressure, and has the effect of warming the middle and stopping vomiting. If liver fire attacks the stomach, it is often used together with Coptis chinensis, which can clear the liver and disperse fire, reduce adverse reactions and stop vomiting. It is used for bloating and pain in the ribs, acid regurgitation and vomiting, and abdominal distension and belching, such as Zuojin Pills (Handbook of Chinese Medicine Preparations). If bamboo shavings and magnetite are added, the effect can be enhanced.