Qian Shi - Euryale ferox

Professional Data
 Pin Yin
Qian Shi
Semen Euryales
 Introduction Back to Top
Semen Euryales is the dried kernel of ripe seed of Euryale ferox Salisb. Fam. Nymphaeaceae). The ripe fruit is collected in late autumn and early winter, peeled, and the seed is taken out, washed clean, removed from hard shell (testa), and dried.

 Western medical Back to Top
qian shi is indicated in the syndromes differentiated as Spleen or Kidney deficiency, and Proteinuria due to chronic nephritis, etc..

 Eastern medical Back to Top
  • Pattern: Fortifies the Kidney, astringers Essence, nourishes the Spleen, removes Dampness, anti-ageing.
  • Properties: Sweet, astringent, neutral.
  • Channels entered: Spleen, Kidney.
 Chemical constituents Back to Top
qian shi contains starch, protein, fat, vitamins, calcium, phosphor and ferrum, etc..

 Pharmacological actions Back to Top
Anti-ageing effect

Ba Xian Gao, which contains qian shi, was proved to have significant life-prolonging effect.

 Clinical Studies Back to Top
Prolonged diarrhea due to Spleen deficiency

qian shi was often used in compound formula in combination with dang shen, bai zhu and shan yao, etc. to treat syndromes due to Spleen deficiency. The following formula was effective on syndromes differentiated as Spleen deficiency, especially those senile patients: dang shen, 15g; fu ling, bai zhu, lian rou, qian shi, chao bian dou, yi yi ren, 12g each; shan yao 15g; sha ren, 6g; chi shao 10g; zhi gan cao 6g, three doses every week.

Spermatorrhea, premature ejaculation, incontinence of urine or frequent urination due to Kidney deficiency

Jin Suo Gu Jin Wan which containing Qian Shi had good therapeutic effect on spermatorrhea and frequent urination.

Supplemented Shui Lu Er Xian Dan (qian shi, jin ying zi, nu zhen zi, 15g each; wu wei zi, shan yu rou, 10g each; tu si zi 12g; lian xu 10g; dang gui 10g; bai shao 10g; zhi gan cao 6g) was effective in treating spermatorrhea, impotence, premature ejaculation, irregular menstruation and leukerrhea, etc..

Proteinuria due to chronic nephritis

qian shi, shan yao, 30g each; jin ying zi, huang qi, bai he, huang jing, wu mei tan, 15g; bai zhu, fu ling, 12g; shan zha rou, pi pa rou, 10g each; shui zhi powder 3g (taken with water), tu si zi 20g. The formula was modified according to accompanied symptoms to treat 37 cases of proteinuria due to chronic nephritis, and 31 cases were completely relieved, 1 basically relieved and 5 ineffective.

 References Back to Top

Except those noted, all references come from Weng Weiliang, et al., Clinical Chinese materia medica, Henan Science & Technology Press, 1998