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Gan Jiang - Zingiber officinale
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Professional Data |
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Pin Yin
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Gan Jiang
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Latin
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Rhizoma Zingiberis
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Introduction |
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Rhizoma Zingiberis is the dried rhizome of Zingiber officinale (Willd.) Rose. (Fam. Zingiberaceae). The drug is collected in winter, removed from fibrous root, washed, and dried in the sun or at low temperature
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Western medical |
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This herb is used in the treatment of early pregnancy termination, infantile autumn diarrhea, erosive gastritis and peptic ulcer, etc..
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Eastern medical |
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- Pattern: Warms the center, disperses Cold, restores yang, invigorates Pulse, warms the Lung and dissolves Plhegm.
- Properties: Pungent, Hot.
- Channels entered: Heart, Lung, Spleen and Stomach.
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Chemical constituents |
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gan jiang contains volatile oil which mainly contains zingberol, zingiberene, bisabolene, a-curcumene, a-and b-farnesene, linalool, cineole and b-sesouiphellandrene, etc..
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Pharmacological actions |
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Effects on the digestive system |
gan jiang had mild stimulative effect on the digestive system. It could increase the intestinal tensility, rhythm and peristalsis which was followed by lowering activities sometimes. Its extracturm could inhibit the vomiting induced by copper sulphate in dogs. |
Effects on the cardiovascular system and respiratory center |
Alcohol extract fluid of gan jiang had excitatory effect on vasomotor and respiratory centers in anaesthetized cats. It could also excite the heart.
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Clinical Studies |
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Early pregnancy termination |
Cui Jing Zhi Yun Tang: dang gui, huai niu xi, zang hong hua, da fu pi, 12g each; yi mu cao 30g; san leng, e zhu, 20g each; su mu 8g; gan jiang 6g; gui zhi 9g; chuang xiong 5g; shui zhi 10g; gan sui 3g. Water decoction, 1 dose every day for 3~5 days. The method was used to treat 34 cases of early pregnancy, and 15 were markedly effective. |
Infantile autumn diarrhea |
Gui Zhi Ren Shen Tang: gui zhi, hong shen, gan jiang, 5g each; bai zhu, che qian zi (wrapped), 6g each; gan cao 3g. Modify the formula according to TCM differentiation. 595 cases of infantile autumn diarrhea were treated and 585 were effective. |
Erosive gastritis |
Qing Mi Tang: bai zhu 15g, da zao 6 pieces; gan jiang, hou po, zi hua di ding, chai hu, wu yao, 10g each; sheng da huang 5g. Modify the formula according to TCM differentiation. Water decoction, 1 dose every day for consecutive 2 months. 19 out of 20 treated cases were effective. |
Peptic ulcer |
Gan Jiang Qin Lian Ren Shen Tang: gan jiang, huang lian, 9g each; huang qin 12g; dang shen 30g; sha ren 6g; guang mu xiang, zhi gan cao 10g. Modify the formula according to TCM differentiation, 1 dose every day, water decoction, 7 weeks as a course of treatment. 73 out of 77 treated cases were effective. |
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References |
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Except those noted, all references come from Weng Weiliang, et al., Clinical Chinese materia medica, Henan Science & Technology Press, 1998 |
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