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    Yemama Apothecary

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    Sinking Qi-Regulating, Middle-Warming Antiemetic & Kidney-Anchoring Monarch (行气止痛 / 温中止呕纳气平喘降逆消积辟秽化浊治脘腹冷痛呕吐呃逆胸膈痞闷 — 中国道地药用沉香唯一法定正品 / 岭南四大名药白木香 / 降气止呕与心腹痛药王)

    白木香 / 土沉香 / 莞香 / 女儿香 / 崖香 / 牙香树 — Aquilaria sinensis (Lour.) Spreng. (syn. Agallochum sinense)

    Pinyin: Báimùxiāng / Tǔchénxiāng / Guǎnxiāng / Nǚ'érxiāng · Malay: Gaharu Cina / Kayu Gaharu Cina / Pokok Karas Cina / Chinese Eaglewood · Family: Thymelaeaceae (瑞香科 / 沉香属)

    Botanical Illustration

    Energetics

    Warm (微温 / 辛苦温)

    Flavor

    Pungent, bitter, sweet-balsamic aromatic (辛、苦、微温、气味芳香浓郁、甘凉回甘)

    Meridians

    Spleen (脾), Stomach (胃), Kidney (肾), Lung (肺)

    Traditional Edict

    Chinese Eaglewood / Guan Agarwood (Bai Mu Xiang / Tu Chen Xiang / Guan Xiang / Nu Er Xiang). Resinous heartwood of native Chinese incense tree. Sole Official Botanical Source of Chinese Pharmacopoeia Agarwood: descends rebellious Stomach Qi to stop hiccups, clears cold gastralgia, anchors asthma.

    Cautions & Contraindications

    • MANDATORY SHORT-BOIL (prolonged boiling destroys volatile agarotetrol). CONTRAINDICATED in severe Yin-deficiency fire with internal heat. Safe in lactation; use cautiously in pregnancy.

    Clinical Applications

    • Cold gastralgia and acid reflux, diaphragmatic spasms with violent hiccups (E Ni), bronchial asthma with Kidney-deficiency, and chest fullness with Qi stagnation.

    Quality Markers

    Agarotetrol (沉香四醇) >= 0.100% (Chinese Pharmacopoeia official HPLC standard) & Benzylacetone >= 0.20%

    Mechanism & Phytochemistry

    1. Agarotetrol and benzylacetone inhibit gastric smooth muscle spasms and suppress histamine-induced bronchoconstriction. 2. Benzylacetone modulates central GABAA receptors to relieve anxiety.

    Preparation & Dosage

    CRITICAL PAOZHI MANDATE: SHORT-BOIL (Hou Xia 3-5 Min) OR POWDER (Chong Fu): 1.0 to 1.5 g fine powder taken directly with warm water. Decoction: 1.5 to 4.5 g added during final 3 to 5 min of boiling.

    Appended Prescriptions

    • 1. Classical Sinking-Qi Hiccup Formula (Chen Xiang Di Dan Tang) with Ding Xiang and Chen Pi. 2. Cold Stomach Cramp Draught with Alpinia officinarum (Gao Liang Jiang).

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