The Data Base of Ethno-medicines in the world (ETHMEDmmm)

Crude drug sample data base

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Crude drug name	Market name	益知
	Formal name	益智
	Japanese name	やくち, Yakuchi
	Vernacular name	Yizhi
	Latin name	Alpiniae Fructus (JP), Alpiniae Oxyphyllae Fructus (CP)
	English name	Bitter Cardamon (JP), Sharpleaf Glangal Fruit (CP)
Original plant name		Alpinia oxyphylla Miq.
Family name		Zingiberaceae
Used part	Classification	Plant origin
Used part	Sub classification	mature fruit
Production area information		People's Republic of China
Collection information		Japan, Tokyo, Uchida Wakanyaku Co.,Ltd.
Collection date		2015/00/00
Collector		Katsuko Komatsu
Remarks		Sample to be used for the 2nd Kampo-Sommelier exam
TMPW No.		29086

The capital city, provincial capital city or the representative　　
location of its administrative area is indicated.　　

Production area information

People's Republic of China

https://ethmed.toyama-wakan.net/img/pin_san.png

35.6894875

139.69170639999993

Collection information

Japan,Tokyo

https://ethmed.toyama-wakan.net/img/pin_nyu.png

Scientific information data base

Common name

益智, Yizhi, Alpiniae Fructus (JP18), Alpiniae Oxyphyllae Fructus (CP2020) , Bitter Cardamon (JP18), Sharpleaf Glangal Fruit (CP2020)

Synonyms

益智仁（果殻を除く）

crude drug image

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Original plant name

Alpinia oxyphylla Miquel

original plant image

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Family name

Zingiberaceae

Used part

mature fruit

Quality for selection

Good Yizhi is large and light yellow or light yellowish-brown. It has a strong odor. (TN)

Official compendium

JP XVIII, CP (2020 ed.)

Clinical application

As an aromatic stomachic and antiflatulent, yizhi is applied for functional decline of digestive system, indigestion, diarrhea due to indigestion, and nervous diarrhea. It is used as well as suosha.

Medical system

Traditional Chinese medicine

Drug effect in
traditional medicine

Traditional
classification

Replenishing Yang(vital function) drugs

Beneficial effect

[Property and Flavor] Warm; pungent.
[Meridian Tropism] Spleen and kidney meridians meridians.
[Actions] To warm the kidney to secure essence to reduce urination, when the spleen to check diarrhea and constrain spittle.
[Indications] Kidney deficiency with enuresis, frequent urination, seminal emission and white turbidity, diarrhea caused by spleen cold, cold pain in the abdomen, dribbling.

Chemical constituent

Monoterpenoids
(*C1):
1,8-Cineole, beta-Pinene, p-Cymene, Terpinen-4-ol
(*C2):
Camphor

Sesquiterpenoids
*C1):
Zingiberene, beta-Salinene, beta-Caryophyllene, alpha-Humulene, alpha-Copaene, Nootkatone
(*C2):
Zingiberol

Flavonoids
(*C3):
tectochrysin, chrysin, izalpinin, 3,5-dihydroxy-7, 4'-dimethoxyflavone

Diarylheptanoids
(*C1, C2):
Yakuchinone A(1-(4'-hydroxy-3'-methoxyphenyl)-7-phenyl-3-heptanone), Yakuchinone B

Chemical structure

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Pharmacological effect

Antiulcer (acetone extract, nootkatone) (P1).

DNA sequence

AF254463

Classical reference
(Chinese Herbal Classic "Zhenglei bencao")

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Disease

Abdominal pain, Chill, Dyspepsia, Diarrhea, Anorexia, Slaver, Spermatorrhea, Frequent urination

Formulation

rarely used in formula,

Related drugs

Amomi Semen

References

JP18: 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 238-239.
C2) Outline of Pharmacognosy, a Textbook, p 322.
C3) Partner Pharmacognosy, p 355.
P1) Chem. Pharm. Bull., 38, 3053(1990)

Remarks

The medicinal benefit of Yizhi resembles "Buguzhi" (補骨脂, Psoraleae Semen). However, "Buguzhi" acts mostly on kidney, while Yizhi acts mostly on spleen. Impotence due to insufficiency of kidney, and knee and lumbar pain with cold symptoms are incurable with Yizhi.

Last renewal date

2021/09/27

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