Acetic Acid
- Chinese
- 醋酸
- Pinyin
- Cu Suan
- Latin
- Acidum Aceticum
Known in TCM as Cu Suan (醋酸), this sour and bitter, warm herb enters the Liver and Stomach. Traditionally, it activates blood and dispels stasis; used topically and as a processing medium to enhance the blood-moving properties of other herbs, most often applied for blood stasis and fungal infection. Modern research has identified Acetic among its active constituents.
Part used: Acid
Also Known As
Latin: Acidum Aceticum | Pinyin: Cu Suan | Chinese: 醋酸
TCM Properties
- Taste
- sour, bitter
- Temperature
- warm
- Channels
- Liver, Stomach
Traditional Use
Primary Actions
- Activates blood and dispels stasis; used topically and as a processing medium to enhance the blood-moving properties of other herbs
- Resolves toxicity; topically applied to sores, fungal infections, and insect stings
- Guides herbs to the Liver channel; processing herbs with Cu Suan increases their liver-targeting efficacy
Secondary Actions
- Softens hard masses when applied topically or used as an herbal processing adjuvant
- Kills parasites and worms; used externally for skin parasites
Classical References
- Correlation between Materia Medica Companion (Ming Dynasty) … 'pain can be relieved by using drugs processed with vinegar for the Liver meridian'
Modern Research
Active Compounds
- Acetic acid (primary active constituent)
- Organic acids
- Trace amino acids and alcohols in dilute preparations
Studied Effects
- Antimicrobial … acetic acid demonstrates broad-spectrum antibacterial and antifungal activity
- Enhances drug bioavailability … vinegar processing alters alkaloid solubility and absorption of co-processed herbs
- Topical analgesic … dilute application reduces local inflammation
Safety & Interactions
Contraindications
- Do not apply concentrated acetic acid to open wounds or mucous membranes … caustic at high concentrations
Cautions
- Internal use at therapeutic concentrations only … concentrated preparations are caustic
- Overuse may damage Spleen and Stomach; avoid in patients with qi deficiency or chronic digestive weakness
Conditions
- Blood Stasis Traditional ★★☆☆☆ JSON
- Fungal Infection Traditional ★★★☆☆ JSON
Frequently Asked Questions
What is Acetic Acid used for?
Acetic Acid is traditionally used to Activates blood and dispels stasis; used topically and as a processing medium to enhance the blood-moving properties of other herbs, Resolves toxicity; topically applied to sores, fungal infections, and insect stings, Guides herbs to the Liver channel; processing herbs with Cu Suan increases their liver-targeting efficacy. Research has investigated its effects on: Antimicrobial … acetic acid demonstrates broad-spectrum antibacterial and antifungal activity; Enhances drug bioavailability … vinegar processing alters alkaloid solubility and absorption of co-processed herbs.
What are other names for Acetic Acid?
Acetic Acid is also known as Aceticum. In TCM: 醋酸 (Cu Suan); Acidum Aceticum.
Is Acetic Acid safe during pregnancy?
The safety of Acetic Acid during pregnancy has not been established. Consult a qualified healthcare provider before use.
What are the contraindications for Acetic Acid?
Acetic Acid should not be used in: Do not apply concentrated acetic acid to open wounds or mucous membranes … caustic at high concentrations. Consult a qualified practitioner before use.