bubble_chart Source 
Medicated Leaven (herbal decoction pieces)
This product is a processed product made by mixing flour with other medicinal substances and undergoing fermentation. It is produced throughout the country. The preparation method involves mixing flour or bran with Bitter Apricot Seed paste, Rice Bean powder, fresh Sweet Wormwood, fresh Xanthium, and fresh Polygonum hydropiper natural juice, adjusting the mixture to the right moisture level, forming it into small pieces, placing them in a basket, covering with hemp or mulberry leaves, and maintaining warmth for a week of fermentation. When yellow mycelium appears, the pieces are removed, cut into small pieces, and dried in the sun. It can be used raw or stir-fried.
Medicated Leaven has another variety known as Jianqu, also called Quanzhou Medicated Leaven, Fan Zhi Qu, or Lao Fan Zhi Medicated Leaven. It is made from wheat flour, bran, Perilla Leaf, Schizonepeta, Saposhnikovia Root, Magnolia Bark, White Atractylodes Rhizome, Aucklandia Root, Immature Orange Fruit, green tangerine peel, and dozens of other medicinal substances through specialized fermentation, mainly produced in Quanzhou, Fujian. It has a bitter and slightly warm nature. Its effects of promoting digestion and resolving accumulation are similar to Medicated Leaven, and it also has the ability to move qi and resolve dampness, strengthen the spleen, and harmonize the middle. It is particularly effective in treating summerheat dampness diarrhea and vomiting with loss of appetite. The usage and dosage are the same as for Medicated Leaven.
bubble_chart Properties and Meridians
Sweet and acrid, warm. Act on spleen and stomach meridians.
bubble_chart Efficacy
Promoting digestion to harmonize the middle.
bubble_chart Indications Used for the pattern of food retention due to dyspepsia. This product has the effects of promoting digestion, strengthening the stomach, harmonizing the middle, and stopping diarrhea. It is commonly used to treat food stagnation, abdominal distension and fullness, anorexia, borborygmus, and diarrhea. It can be used in combination with hawthorn fruit, Germinated Barley, Aucklandia Root, and others. Additionally, this product slightly possesses the function of releasing the exterior, making it particularly suitable for cases of external contraction with food stagnation. Furthermore, for any pills containing mineral or shell-based ingredients, this product can be used as a flour and water paste pill to aid digestion.
bubble_chart Documentation
- Yaoxing Lun: "Transforms water and grains, retained food, resolves food retention, strengthens the spleen and warms the stomach."
- Bencao Gangmu: "Promotes digestion, lowers qi, eliminates phlegm counterflow, cholera, diarrhea, and various types of qi causing distension and fullness."
bubble_chart Usage and Dosage
Decoct and take orally, 6-15g.
bubble_chart Modern Pharmacology
This product contains yeast, enzymes, vitamin B complex, ergot sterols, volatile oils, glycosides, and more. It aids in digestion and stimulates appetite.