艾纳香 / 大风艾 — Blumea balsamifera (L.) DC.

Pinyin: Àinàxiāng / Dàfēng'ài · Malay: Sembung / Daun Capo · Family: Asteraceae (菊科)

Energetics

Warm (微温 / 温)

Flavor

Pungent, bitter, aromatic (辛、苦、芳香)

Meridians

Lung (肺), Spleen (脾), Stomach (胃), Kidney/Bladder (肾/膀胱)

Traditional Edict

Dispels wind-cold, unblocks strangury to expel stones, and activates blood. Essential in Nanyang maternal postpartum confinement baths (Mandi Daun Sembung) to expel deep puerperal wind-cold.

Cautions & Contraindications

Do not boil in open vessels (l-borneol evaporates). Contraindicated in severe Yin deficiency dry heat.

Clinical Applications

Urolithiasis (calcium oxalate nephrolithiasis and ureteral gravel - registered Sambong tablet), hyperuricemia, hypertension, and postpartum wind-cold retention.

Quality Markers

l-Borneol (左旋龙脑 / 艾片) & Blumeatin >= 1.00% (HPLC MHM standard)

Mechanism & Phytochemistry

1. Natural l-Borneol (Ai Pian) enhances tissue permeability, soothes smooth muscle spasms, and exerts rapid analgesia. 2. Blumeatin, quercetin, and luteolin inhibit calcium oxalate monohydrate nucleation and upregulate urinary citrate. 3. Sesquiterpenes induce osmotic diuresis.

Preparation & Dosage

Dried leaves in decoction (covered, 15-20 min): 10-20 g daily. Standardized Sambong tablets: 250-500 mg 3x daily. Maternal bath soak: 50-100 g boiled in 10 L water.

Appended Prescriptions

1. ASEAN Classical Sambong Stone-Expelling Formulation with Desmodium styracifolium and Orthosiphon stamineus. 2. Royal Postnatal Wind-Expelling Confinement Soak with Cymbopogon citratus and Zingiber zerumbet.

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