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    Yemama Apothecary

    Bencao Gangmu Reference Library

    Wind-Damp Dispelling, Middle-Warming & Gastric-Cytoprotective (祛风除湿 / 温中止痛行气活血化瘀药)

    三叶藤桔 / 钓樟藤 / 飞龙掌血藤 — Luvunga scandens (Roxb.) Buch.-Ham. ex Wight & Arn.

    Pinyin: Sānyè Téngjú / Diàozhāngténg · Malay: Mengkudu Kera / Pokok Pasak Beras / Akar Laka · Family: Rutaceae (芸香科)

    Botanical Illustration

    Energetics

    Warm (微温 / 温)

    Flavor

    Pungent, bitter, intensely aromatic (辛、苦、大香)

    Meridians

    Liver (肝), Stomach (胃), Spleen (脾)

    Traditional Edict

    Armed with predatory spines. Dispels wind-dampness, warms middle burner to stop epigastric colic, activates blood to dissipate stasis, and arrests postpartum cold shivering.

    Cautions & Contraindications

    • Warm and aromatic; use with caution in pure Yin deficiency with dry throat. Contraindicated during early pregnancy (blood-activating dynamics).

    Clinical Applications

    • Peptic and duodenal ulcer disease, GERD acid reflux, Helicobacter pylori gastritis, chronic osteoarthritic arthralgia, functional dyspepsia, and postpartum lumbago.

    Quality Markers

    Luvangetin (三叶藤桔内酯) >= 0.50% & Limonene (HPLC MHM standard)

    Mechanism & Phytochemistry

    1. Luvangetin (pyranocoumarin) potently inhibits gastric H+/K+-ATPase proton pump, reducing acid secretion while elevating mucosal PGE2 and nitric oxide for a cytoprotective mucus barrier. 2. Downregulates COX-2 and iNOS. 3. Spasmolytic smooth muscle relaxation.

    Preparation & Dosage

    Sliced dried woody vine discs decocted 20-30 minutes: 6-15 g daily. Postpartum medicated liqueur (Yao Jiu): 50 g steeped in rice wine for 30 days. Standardized extract: 150-300 mg.

    Appended Prescriptions

    • 1. The Sovereign Nanyang Gastric Cytoprotective Synergy with Curcuma mangga (Temu Mangga) and Zingiber zerumbet. 2. Rainforest Lumbar Fortifying Decoction with Polyalthia bullata.

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    Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only