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Moutan Bark
Moutan Bark
Market name:大和丹皮
Photo location:Museum of Materia Medica, Inst. of Nat. Med.
TMPW No.:17444
Paeonia suffruticosa
Plant name:Paeonia suffruticosa
Photo location:Toyama Pref., Japan
Photo date:1999
Photographer:K. Komatsu

Latin name Moutan Cortex
Botanical source: Family name Paeoniaceae
Botanical source: Plant name Paeonia suffruticosa Andrews (IPNI:711877-1)
Part used Root bak
Empirical criteria for quality selection Good one has radial thickness without xylem. There are white powders on the cross section. It has strong aroma. (TN)
Constituents Monoterpenoids:
Paeoniflorin, Oxypaeoniflorin, Benzoylpaeoniflorin, Benzoyloxypaeoniflorin, Galloyl-paeoniflorin, Galloyl-oxypaeoniflorin

Campesterol, β-Sitosterol

Tetragalloylglucose, Pentagalloylglucose

Other aromatic derivatives:
Paeonol, Paeonolide, Paeonoside, Benzoic acid, Suffruticoside A, Suffruticoside B, Suffruticoside C, Suffruticoside D, Suffruticoside E
Pharmacological effects Antiinflammatory (methanol extract), analgesic, antibacterial (E. coli, S. aureus), antiinflammatory, suppression of gastric juice secretion (paeonol).
Indications As a tranquilizer, painkiller, for removing blood stasis and draining pus, it is applied to treat hematogenous disorder (blood circulation stasis) such as headache, abdominal pain, gynecologic disease, menstrual disorder and dysmenorrhea.
Diseases Fever, Internal bleeding, Hematemesis, Nasal hemorrhage, Amenorrhea, Menorrhalgia, Intra-abdominal tumor, Swelling and pain due to contusion, Appendicitis, Pyogenic dermatosis, Headache, Red eye, Thirst, Irregular menstruation
Formulas unkeito , kamikihito , kamishoyosan , kamishoyosankasenkyujio , kyukichoketsuin , kyukichoketsuindaiichikagen , keishibukuryogan , keishibukuryoganryokayokuinin , kojito , kogikujiogan , goshitsusan , goshajinkigan , seinetsuhoketsuto , sesshoin , daiobotampito , chibakujiogan , choyoto , toryuto , hachimijiogan , hachimisenkiho , mibakujiogan , rokumigan
Meridian tropism Heart, Liver, Kidney
Property Slightly cold
Flavor Bitter, Acrid/pungent
Classification in "Shen-non Ben-cao Jing" Middle
TCM: Classification Antipyretics
TCM: Medicinal effects To remove heat from blood, to activate blood circulation and eliminate blood stasis.
Used for eruption in epidemic disease, spitting of blood, epistaxis, consumptive fever occurring at night and subsiding in the morning without sweating, amenorrhea dysmenorrhea, carbuncles and sores, traumatic injuries.
Remarks Listed in the Japanese Pharmacopoeia 18th ed.
References TN: T. Namba & Y. Tsuda ed., Outline of Pharmacognosy, a Textbook, 3rd ed., Nankodo Co., Ltd., Tokyo, 1998.
DNA sequences of medicinal plants
Gene Region
Nuclear Chloroplast Mitochondria
Botanical source: Plant name 5Ss 18S ITS1 5.8S ITS2 26S others trnH-psbA matK trnK trnK-rps16 trnT-L trnL trnL-F rbcL rpoC1 ndhF others
Paeonia suffruticosa Andrews (IPNI:711877-1)


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Section of Pharmacognosy,
Division of Medicinal Resources,
Department of Research and Development,
Institute of Natural Medicine,
University of Toyama
2630 Sugitani, Toyama 930-0194 Japan
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