Astringents

  




Gordon Euryale Seed 

 
Latin: Semen Euryales
 
Origin:
Gordon euryale seed is the endocarp of the ripe seed of the annual water plant Euryale ferox Salisb., of the family Nymphaeaceae or Euryalaceae. Native to east Asia, the plant is grown in ponds and lakes in lowland in China, Japan and India.

The plant grows to about 1 m by 3 m. The flowers are hermaphrodite (have both male and female organs). The plant cannot grow in the shade. It can grow in water.

In China, gordon euryale is produced mainly in Hunan, Jiangsu, Anhui, Shandong and other provinces. During August and September every year, it is collected, dried in the sunlight after getting rid of shell, epicarp and the brown internal shell, and used unprepared or stir-baked and crushed.

Also called Foxnut.
 
Properties:
Sweet and astringent in flavor, mild in nature, it is related to the spleen and kidney channels.
 
Functions:
Astringes intestines to arrest diarrhea, tonifys the kidney to preserve kidney essence and cures leukorrhagia.

Gordon euryale seed is a sweet and sour astringent herb that acts as a tonic for the kidney and the spleen.
 
Applications:
1. Tonigying the kidney to arrest seminal emission:

For kidney-deficiency manifested as spontaneous emission and spermatorrhea, gordon euryale seed is used with herbs for reinforcing the kidney to preserve essence, including os draconis fossilia ossis mastodi, concha ostreae, semen astragali corn-as in golden lock pill for keeping the kidney essence.

2. Removing dampness to arrest abnormal leukorrhea:

For leukorrhagia due to insufficiency of the spleen with over-abundance of dampness, it is used with herbs for invigorating the spleen to arrest leucorrhagia, such as radix codonopsis pilosulae, rhizoma atractylodis, rhizoma atractylodis macrocephalae, rhizoma dioscoreae, etc.

3. Invigorating the spleen to arrest diarrhea:

In treating long-lasting diarrhea due to deficiency of the spleen, gordon euryale seed is often used in combination with radix astragali seu hedysani, radix codonopsis pilosulae, rhizoma atractylodis macrocephalae, rhizoma dioscoreae, poria, etc.
 
Dosage and Administration:
10-15 g.

Decoction.
 
Cautions on Use:
 
Reference Materials:
 
Toxic or Side Effects:
 
Modern Researches:
Gordon euryale seed is analgesic (insensitizes pain) and aphrodisiac (arouse sexual desire). It is taken internally in the treatment of chronic diarrhoea, vaginal discharge, kidney weakness associated with frequent urination, impotence, premature and involuntary ejaculation and nocturnal emissions.

Gordon euryale leaf is used in cases of dificult parturition (process of giving birth).

All parts of the plant are considered to be astringent, deobstruent (removes obstructions) and tonic.
 
 
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