Euphorbia lathyris extract — Drastically purging water to relieve edema, breaking blood to resolve abdominal masses, and detoxifying to kill parasites
2026-06-09
In TCM theory, Euphorbia lathyris is acrid, warm, and enters the Large Intestine and Lung meridians. Its primary use is "attacking" excess patterns using its potent nature, with three core applications
1. Traditional TCM Applications: Primarily "Attacking"
In TCM theory, Euphorbia lathyris is acrid, warm, and enters the Large Intestine and Lung meridians. Its primary use is "attacking" excess patterns using its potent nature, with three core applications:
Drastic Purging for Edema (Main indication: edema and ascites): This is the core effect. It uses strong laxative action to expel excess body fluids via urine and stool, treating conditions like edema, ascites (abdominal fluid), and constipation with urinary retention due to excess patterns.
Classic Example: Historically used for ascites due to advanced schistosomiasis and cirrhosis. Fresh seeds, shelled, mashed, and placed in capsules, taken on an empty stomach in the morning, could rapidly reduce ascites.
Breaking Blood to Resolve Masses (Treating blood stasis amenorrhea): It breaks blood stasis and unblocks meridians, used for abdominal masses (zhengjia, resembling tumors) and amenorrhea caused by blood stasis.
Detoxifying and Killing Parasites (Topical for skin conditions): Applied externally for stubborn ringworm, verruca (e.g., common warts), snake bites, carbuncles, and sores. For example, mashed seed mixed with rice-washing water could be taken orally for snake bites.
2. Modern Pharmacological Research: Anti-tumor Potential
Modern studies confirm its extract has significant bioactivity, showing notable potential especially in anti-tumor research:
Kidney Cancer: Research indicates that diterpenoids from the seed significantly inhibit the growth of human renal carcinoma 7860 cells and mouse renal cancer Renca cells in vitro. At the highest concentration, inhibition rates reached 76.03% and 64.65%, respectively.
Leukemia: Network pharmacology studies suggest that diterpenoid esters are likely the active anti-leukemia components. They act on multiple targets like CDK1, CDK2 and regulate pathways such as PI3K-Akt, p53 to induce leukemia cell apoptosis and affect the cell cycle.
Liver Cancer/Ascites Cancer: The compound euphobia factor L5 has been shown to have significant anti-cancer effects against S180 ascites cancer.
3. Core Risks and Toxicity Reduction Strategies
The main challenge in using Euphorbia lathyris is its strong toxicity. TCM uses it as a "poison to fight poison," but toxicity must be strictly controlled.
Toxic Effects: The seed strongly irritates the gastrointestinal tract. Its purgative strength is about 3 times that of castor oil. Overdose or improper use leads to severe vomiting, abdominal pain, diarrhea, dehydration, and even CNS toxicity (lethargy, drowsiness).
Key Detoxification: "Preparing Frost" (Zhi Shuang): The "frost preparation" method in TCM processing is central to reducing toxicity.
Principle: The toxic components are mainly in the fixed oil. Pressing out the oil to make "Euphorbia lathyris Frost" significantly reduces toxicity.
Evidence: Animal studies confirm that at equal doses, the "frost" preparation causes significantly less inhibition of intestinal digestive enzymes (like lactase, lactate dehydrogenase) compared to the raw seeds, proving "processing reduces toxicity." The laxative effect also becomes milder.
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