☯ TCM Properties
Invigorates Blood and Unblocks the Channels and Collaterals; Propels the force of medicinal substances; Warms the Channels and Disperses Cold; Invigorates Blood and Moves Qi; Drains Dampness; Disperses Wind
Traditional Chinese Uses
Mi Jiu (rice wine, medicinal rice wine) is considered in classical Chinese medicine to be a warming, acrid substance that promotes Blood circulation, disperses cold, and carries other herbal substances to their intended destinations in the body. It is described as the "guide of a hundred herbs" and appears as a processing medium and co-ingredient in countless classical formulas. Medicinally, it addresses cold-type pain from Blood stagnation and dispels Wind-Cold-Damp, and is a standard solvent for preparing medicinal herb wines and tinctures.
Botanical Description
Mi Jiu is Chinese rice wine, a traditional fermented beverage produced from steamed glutinous or non-glutinous rice (Oryza sativa) inoculated with qu — a starter cake carrying mixed cultures of Aspergillus oryzae, Rhizopus species and yeasts (chiefly Saccharomyces cerevisiae). The qu's moulds first saccharify the starch to fermentable sugars, which the yeasts then convert to ethanol in a simultaneous saccharification-fermentation process lasting from several days to several months depending on style. The resulting liquid is a clear to pale amber, slightly viscous wine of about 14-20% alcohol by volume, with a sweet-aromatic, mildly sour flavour and a characteristic fruity-koji bouquet. Pharmacopoeial Mi Jiu is unflavoured and unfortified, drawn off the lees and used as a warming carminative and as a solvent or vehicle in processing other medicinal substances.
Active Constituents
Ethanol
Aliphatic alcoholConcentration: ~6-18% v/v depending on brew
The principal active of rice wine. Ethanol is the warming, blood-invigorating, channel-unblocking agent and acts as a solvent that extracts and carries (as a 'guiding' vehicle) the actives of other herbs.
Higher (fusel) alcohols
Aliphatic alcohols (isoamyl, isobutyl, phenylethyl alcohol)Concentration: Minor volatile fraction
Fermentation-derived higher alcohols that shape aroma and contribute to the warming, dispersing character of the wine.
Organic acids (lactic, acetic, succinic, malic)
Carboxylic acidsConcentration: Variable, produced during fermentation
Fermentation acids that give body and mild antioxidant capacity and aid digestion/appetite.
Polyphenols
Phenolic compoundsConcentration: Elevated by fermentation vs. raw rice
Fermentation liberates and increases bioavailable rice polyphenols, providing antioxidant activity.
gamma-Aminobutyric acid (GABA)
Amino acid / neurotransmitterConcentration: Increased by germination/fermentation
An inhibitory neuroactive amino acid enriched during rice fermentation, associated with relaxant and mild blood-pressure-lowering effects.
Free amino acids and oligopeptides
Peptides / amino acidsConcentration: Released by proteolysis during fermentation
Rice-protein breakdown products contributing nutritive value and antioxidant peptides, plus B-complex vitamins from the fermenting microflora.
⚠ Drug Interactions
Disulfiram, metronidazole, and some cephalosporins
These drugs inhibit aldehyde dehydrogenase; the ethanol in rice wine then accumulates as acetaldehyde, causing flushing, palpitations, nausea and hypotension.
Clinical note: Avoid rice wine while taking these agents and for several days afterward.
CNS depressants (benzodiazepines, opioids, barbiturates, sedating antihistamines)
Ethanol potentiates CNS depression, adding to sedative, hypnotic and opioid effects.
Clinical note: Do not combine; risk of excessive drowsiness and impaired breathing.
Warfarin
Acute ethanol intake can inhibit warfarin metabolism and raise INR, increasing bleeding risk (chronic heavy use can conversely induce metabolism).
Clinical note: Keep alcohol intake consistent and monitor INR.
Acetaminophen (paracetamol)
Ethanol induces CYP2E1, increasing the toxic NAPQI metabolite of acetaminophen and the risk of liver injury.
Clinical note: Limit acetaminophen dose and avoid concurrent alcohol.
Dosage
| Form | Amount | Frequency | Duration | Population | Notes |
|---|---|---|---|---|---|
| decoction | 6-15g | Daily | — | — | — |
Preparation Methods
Warm wine vehicle (guiding drug)
Parts: fermented rice wine
Warmed rice wine is taken with or used to down other medicinals so it invigorates blood, unblocks channels and directs the actives of blood-moving and cold-dispelling herbs; a small cup (about 15-30 mL) is typical.
Medicinal wine maceration (yao jiu)
Parts: fermented rice wine
Herbs are soaked in rice wine for days to weeks to extract their constituents into an alcoholic tincture used to warm the channels, dispel wind-damp and relieve pain.
Processing aid (jiu zhi)
Parts: fermented rice wine
Rice wine is used to fry or steam other herbs (e.g., wine-processed Da Huang or Dang Gui) to enhance their blood-moving and upward-directing actions.
Historical Texts
Huangdi Neijing (Yellow Emperor's Inner Classic) - Su Wen
Warring States to Han (c. 200 BCE - 100 CE)Ben Cao Gang Mu (Compendium of Materia Medica)
Ming dynasty, 1578, Li ShizhenReferences
- Que F, Mao L, Zhu C, Xie G. Antioxidant properties of Chinese yellow wine, its concentrate and volatiles . LWT - Food Science and Technology (2006) [DOI]
- Chinese Pharmacopoeia Commission. Pharmacopoeia of the People's Republic of China (processing with wine, jiu zhi) . China Medical Science Press (2020) [DOI]
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.
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