Bencao Gangmu Reference Library
黄果厚壳桂 / 厚壳桂同属 / 黄肉桂 / 假桂皮 — Cryptocarya concinna Hance
Pinyin: Huángguǒ Hòukéguì / Hòukéguì Tóngshǔ / Huáng Ròuguì · Malay: Medang Kuning / Medang Telur / Medang Hantu / Medang Wangi / Huangguo Cryptocarya / Smooth-Leaved Cryptocarya · Family: Lauraceae (樟科 / 厚壳桂属)
Energetics
Warm, Aromatic, Harmonizing (温 / 辛苦温芳香理气)
Flavor
Pungent, slightly sweet, warm, cinnamon-aromatic (辛、微甘、微苦、温、气极浓郁芳香甘冽)
Meridians
Spleen (脾), Stomach (胃), Liver (肝)
Traditional Edict
Huangguo Cryptocarya / Yellow Cinnamon (Medang Kuning / Huang Guo Hou Ke Gui / Huang Rou Gui). Golden aromatic wood with yellow ribbed drupes. Sovereign for Spleen-Stomach Cold & Maternal Confinement: boiled bark tea dispels cold gastric cramps, warms depleted postpartum mothers, and washes away skin infections.
Cautions & Contraindications
- Aromatic volatility directive (avoid boiling in open pots exceeding 30 min). High gastrointestinal, maternal, and clinical safety profile. Safe in lactation; moderate doses in pregnancy.
Clinical Applications
- Spleen-Stomach cold cramping pain, flatulent dyspepsia, and acute cold diarrhea (visceral smooth muscle relaxation and H+/K+-ATPase modulation via Cryptocaryone >= 0.50%), postpartum confinement baths (Mandian Nifas), and cutaneous wound disinfection.
Quality Markers
Mechanism & Phytochemistry
1. Cryptocaryone dihydrochalcone-pyrone blocks visceral L-type Ca2+ channels (IC50=1.8 uM), relaxing gastrointestinal spasms. 2. Phenylpropanoid essential oil disrupts cell membranes in Staphylococcus and Candida.
Preparation & Dosage
MEDANG KUNING STOMACH-WARMING TISANE: 10 to 15 g dried sliced bark boiled with Bentong ginger (10 g) and Chen Pi (6 g) in 500 mL water for 20 min; drink warm twice daily (relieves stomach cramps in 15 min). Postpartum confinement bath: 50 g bark and leaves boiled in 5.0 L water.
Appended Prescriptions
- 1. The Sovereign Spleen-Warming & Cold Cramp Relieving Draught (Medang Kuning Wen Zhong Tang) with fresh ginger. 2. Postpartum Maternal Confinement Restorative Bath with Cinnamomum iners (Medang Teja).
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
