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    Yemama Apothecary

    Bencao Gangmu Reference Library

    Aromatic Orifice-Opening, Blood-Brain Barrier Penetrating & Resuscitative Monarch (芳香开窍 / 醒神清热止痛通透血脑屏障引经先锋要药)

    冰片树 / 龙脑香 / 龙脑冰片 / 梅片树 / 婆罗洲冰片 — Dryobalanops aromatica C.F.Gaertn. (syn. Dryobalanops camphora)

    Pinyin: Bīngpiànshù / Lóngnǎoxiāng · Malay: Pokok Kapur / Kapur Barus / Kapur Singkel · Family: Dipterocarpaceae (龙脑香科)

    Botanical Illustration

    Energetics

    Cool to Cold (微寒 / 凉); Pure natural d-borneol is non-toxic

    Flavor

    Pungent, bitter, intensely aromatic, crystalline-refreshing (辛、苦、大香、芳烈透骨)

    Meridians

    Heart (心), Spleen (脾), Lung (肺), Brain/Pericardium (脑/心包)

    Traditional Edict

    Dragon Brain Incense (Long Nao Xiang / Kapur Barus). Giant emergent rainforest tree yielding pure white borneol crystals in heartwood fissures. Supreme vanguard herb that opens all sensory orifices, unblocks Blood-Brain Barrier, and clears heart fire.

    Cautions & Contraindications

    • VOLATILITY MANDATE: NEVER BOIL IN OPEN POTS (sublimates rapidly). Distinguish natural d-borneol from synthetic racemic dl-borneol (contains toxic isoborneol). STRICTLY CONTRAINDICATED IN PREGNANCY (potent orifice-opening abortifacient).

    Clinical Applications

    • Acute ischemic stroke coma, high-fever delirium (encephalitis), acute angina pectoris myocardial ischemia, severe purulent tonsillitis, aphthous stomatitis, and corneal pterygium.

    Quality Markers

    Natural d-Borneol (右旋龙脑) >= 99.00% (Optical Rotation [a]D20 = +34 to +38 deg) (Chinese Pharmacopoeia)

    Mechanism & Phytochemistry

    1. Natural d-borneol reversibly downregulates Blood-Brain Barrier tight junction proteins (Claudin-5, Occludin, ZO-1), increasing BBB permeability 4- to 10-fold to deliver co-administered neuroprotective drugs into the brain. 2. TRPM8 cold-receptor analgesia. 3. Rapid coronary vasodilation.

    Preparation & Dosage

    THE SOVEREIGN BLOOD-BRAIN BARRIER VANGUARD PROTOCOL: Natural d-Borneol crystals swallowed in capsules or dissolved sublingually: 0.15-0.3 g (never decoct directly - volatile sublimates at 60C). Topical powder for oral ulcers: 0.1-0.2 g.

    Appended Prescriptions

    • 1. Classical An Gong Niu Huang Wan (安宫牛黄丸) for acute stroke coma and toxic encephalitis delirium. 2. Guan Xin Su He Wan (冠心苏合丸) for acute coronary angina and myocardial infarction.

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