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Rehmannia Root
Rehmannia Root
地黄
Market name:地黄
Photo location:Museum of Materia Medica, Inst. of Nat. Med.
TMPW No.:13598
Rehmannia glutinosa
Plant name:Rehmannia glutinosa
Photo location:Nara Pref., Japan
Photo date:1997
Photographer:K. Komatsu

Synonym Chinese Foxglove Root
Latin name Rehmanniae Radix
Botanical source: Family name Scrophulariaceae
Botanical source: Plant name - Rehmannia glutinosa var. purpurea Makino
- Rehmannia glutinosa Steudel (IPNI:808644-1)
Part used Tuberous root
Empirical criteria for quality selection The periderm of the root is grey and the inside is deep violet in color. The taste is sweet with a faint bitterness. More mature and bigger ones are better. (NI)
Constituents Lipids:
Cerebroside, Jio-cerebroside

Sugar:
Manninotriose, Verbascose

Monosaccharides:
D-Mannitol, D-Glucose, D-Fructose, D-Galactose

Oligosaccharides:
Raffinose, Stachyose, Sucrose

Monoterpenoids:
Iridoids: Catalpol, Aucubin, Rehmannioside A, Rehmannioside B, Rehmannioside C, Rehmannioside D, Rehmaionoside A, Rehmaionoside B, Rehmaionoside C, Rehmaionoside D, Melittoside, Leonuride

Carotenoids & Vitamin A:
Vitamin A

Sterols:
Sitosterol

Phenol derivatives:
Acteoside

Amino acids:
Arginine

Other:
Fe
Pharmacological effects Hypoglycemic, cardiotonic, hypertensive, diuretic (extract). Cathartic and diuretic (catalpol).
Indications As a tonifying and heat-clearing drug, for reducing heat in blood, nourishing blood, it is applied to treat hematemesis, thirst and mental instability.
Diseases Fever, Thirst, Constipation, Sore throat, Hematemesis, Nasal hemorrhage, Hematuria, Hematochezia, Irregular vaginal bleeding, Bleeding, Internal bleeding, Polyposia
Formulas ishoho , unseiin , ogibekkoto , odoto , kagenryokakusan (kyoteiken) , kakkonkokato , kamiuntanto , kamishimotsuto , kamishoyosankasenkyujio , kanroin , kyukikyogaito , kyukichoketsuin , kyukichoketsuindaiichikagen , keigairengyoto , kogikujiogan , goshajinkigan , gorinsan , saikoseikanto , sammotsuogonto , shichimotsukokato , shimotsuto , shakanzoto , shofusan , shinsentaitsuko , jiinkokato , jiketsujunchoto , jijintsujito , jijinmeimokuto , juzentaihoto , junchoto , seinetsuhoketsuto , senkanmeimokuto , sokeikakketsuto , daibofuto , chibakujiogan , choreitogoshimotsuto , tokiinshi , dokkatsukakkonto , ninjin'yoeito , hachimijiogan , mibakujiogan , ryutanshakanto , renjuin , rokumigan
Meridian tropism Heart, Liver, Kidney
Property Cold
Flavor Sweet, Bitter
Classification in "Shen-non Ben-cao Jing" Superior
TCM: Classification Drugs for noulishing blood
TCM: Medicinal effects To reduce heat in blood, to nourish yin and promote the production of body fluid.
Used for febrile diseases with deep red tongue and thirst, deficiency of yin and internal heat, consumptive fever, diabetes caused by internal heat, hematemesis, epistaxis, skin eruption and maculation.
Remarks Listed in the Japanese Pharmacopoeia 18th ed.
References NI: N. Isshiki, Methods of Quality Evaluation and Preparation of Wakan-yaku [Wakanyaku no ryohi kanbetsu-ho oyobi chosei-ho], Tohodo Shoten, Tokyo, 1987.
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
Rehmannia glutinosa var. purpurea Makino
Rehmannia glutinosa Steudel (IPNI:808644-1)
atpB-rbcL
 AY423106
rps2
  FJ172711
rps16
  FJ172697
 DQ856487
cox1
 AJ247589
 

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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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FAX: +81-76-434-5064