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薏苡仁 Yiyiren
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Chinese Name |
薏苡仁 |
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Chinese Pinyin |
Yiyiren |
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English Name |
Ma - yuen Jobstears Seed |
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Latin Pharmaceutical Name |
Coicis Semen |
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Category |
Fruits and seeds |
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Origin |
The dried mature seed of Coix lacryma-jobi L. var. ma-yuen (Roman.) Stapf.(Poaceae) |
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Production Regions |
Primarily produced in the Chinese provinces of Fujian, Hebei, Zhejiang. |
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Macroscopic Features |
Wide oval or long elliptical shape, 4~8mm long, 3~6mm wide. Externally milky-white, smooth, occasionally has remnants of yellowish-brown seed coat. One end is blunt round; another end is relatively wide and slightly indented, with one pale brown spotted hilum. Back side is round and convex, front side has one relatively wide deep longitudinal groove. Firm texture, fractured surface is white and powdery. faint odor, slightly sweet taste. superior medicinal material is large, full, white, without broken seed coat. |
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Quality Requirements |
Superior medicinal material is large, full, white, without broken seed coat. |
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Properties |
Sweet, tasteless, Slightly Cold. |
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Functions |
Fortifies the spleen, percolates dampness, eliminates impediment, relieves diarrhea. Apply to edema, beriberi, dysuria, damp arthralgia and contracture of tendons and vessels, diarrhea due to spleen deficiency. |
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Processed Form |
Fried yi yi ren: Cleaned yi yi ren, fry in the pre-heat pot with slow fire, until externally slightly yellow and slightly raised up with aromatic smells, take out and cool.
Bran-fried yi yi ren: fry brans with middle fire until produce smoke, add cleaned yiyiren, fry until externally yellow and slightly rose up, take out, remove the brans, and cool (every 100kg yiyiren need 15kg brans).
Processed yiyiren has relatively neutral nature, but similar functions to unprocessed yiyiren, advanced in fortifying spleen and relieving diarrhea; but fried yiyiren has stronger effect of eliminating dampness, bran-fried yiyiren has relatively stronger effect of fortifying spleen. Often apply to diarrhea due to spleen deficiency, lack of food intake, abdominal swelling. |
| Link |
 Medicinal Plant Images Database
Chinese Medicinal Formula Images Database
Chinese Medicine Specimen Database
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Permanent URL：https://sys01.lib.hkbu.edu.hk/cmed/mmid/detail.php?pid=B00219 |
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