Crude drug sample data base

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Crude drug name

Market name烏薬
Formal name烏薬
Japanese nameうやく, Uyaku
Vernacular nameWuyao
Latin nameLinderae Radix (JP), (CP)
English nameLindera Root (JP), Combined Spicebush Root (CP)
Original plant nameLindera strychnifolia (Sieb. et Zucc.) F. Villars, Tendaiuyaku
Family nameLauraceae
Used partClassificationPlant origin
Sub classification root
Collection informationHong Kong, Wing Tai Hong Medicine Co.,Ltd.
Collection date1974/12/25
TMPW No.505

Scientific information data base

Common name烏薬, Wuyao, Linderae Radix (JP18, CP2020), Lindera Root (JP18), Combined Spicebush Root (CP2020)
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Original plant nameLindera strychnifolia Fernandez-Villar, (Tendaiuyaku)
original plant image
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Family nameLauraceae
Used partroot (tuberous root)
Quality for selectionBoth ends of good Wuyao are sharp and the central part is swollen. The one which is reddish-brown outside and white inside is called chestnut-like or potato-like. It is said to be excellent quality. (NI)
Official compendiumJHMC (1989), JP XVIII, CP (2020 ed.)
Clinical applicationAs an aromatic stomachic, antispasmodic, painkiller and tonic, Wuyao is applied for distending pain in the chest and abdomen, abdominal pain of cold type, indigestion and frequent urination due to cold of urinary bladder.
Medical systemTraditional Chinese medicine
Drug effect in
traditional medicine
Traditional
classification
Carminatives for regulating flow of Qi
Beneficial effect[Property and Flavor] Warm; pungent.
[Meridian Tropism] Lung, spleen, kidney and bladder meridians.
[Actions] To move qi, relieve pain, warm the kidney, and dissipate cold.
[Indications] Qi stagnation caused by congealing cold, distention and pain in the chest and the abdomen, qi counterflow, wheezing, deficient cold in bladder, enuresis and frequent urination, pain caused by genital disease, abdominal pain caused by cold meridians.
Chemical constituentOther aliphatic and related compounds
(*C1):
Linderic acid

Terpenoids (Essential oils)
(*C1,C2):
Linderene, Isolinderene, Linderane, Lindenenone, Chamazulene, Linderazulene, Lindestrene, Isogermafurene, l-Borneol

Alkaloids
(*C2):
Laurolitsine

Chemical structure



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Pharmacological effectHyperperistalsis of intestinal tract.
DNA sequenceAJ247169
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")
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DiseasePain due to abdominal coldness, Hernia, Dyspnea, Rapid breathing, Full stomach, Menorrhalgia, Frequent urination, Bed-wetting
FormulationUyakujunkisan, Ureitsukito, Kyukichoketsuin, Kokikososan, Jurokumiryukiin, Shokitenkoto, Tokishusan, Hachimisenkiho, Mokutsusan
ReferencesJP18: The 18th edition of the Japanese Pharmacopoeia.
CP2020: Pharmacopoeia of the People's Republic of China 2020 edi.
C1)The Encyclopedia of Wakan-Yaku with Color Pictures Vol. I, pp 127-128.
C2)Outline of Pharmacognosy, a Textbook, p 309.
RemarksThe origin of Tendaiuyaku is in China. According to a legend, Xufu brought it to Nanki (South part of Kii peninsula), Japan during the Qin dynasty. It grows wild in warm areas of Japan.
Last renewal date2021/09/27