Crude drug sample data base

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Crude drug name

Market nameヨクイニン [NIB-1076]
Formal name薏苡仁
Japanese nameよくいにん, Yokuinin
Vernacular nameYiyiren
Latin nameCoicis Semen (JP), (CP)
English nameCoix Seed (JP), (CP)
Original plant nameCoix sp.
Family nameGramineae
Used partClassificationPlant origin
Sub classification seed
Production area informationPeople's Republic of China, Hunan Prov.
Collection informationJapan, Ibaraki Pref., National Institutes of Biomedical Innovation, Health and Nutrition
Collection date2015/5/25
CollectorKatsuko Komatsu
Remarks[NIB-1076]
TMPW No.29739

The capital city, provincial capital city or the representative　　
location of its administrative area is indicated.　　
28.228209
112.93881399999998
Production area information
People's Republic of China,Hunan Prov.
https://ethmed.toyama-wakan.net/img/pin_san.png
36.3418112
140.4467935
Collection information
Japan,Ibaraki Pref.
https://ethmed.toyama-wakan.net/img/pin_nyu.png

Scientific information data base

Common name薏苡仁, Yiyiren, Coicis Semen (JP18, CP2020), Coix Seed (JP18, CP2020)
crude drug image
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Original plant nameCoix lacryma-jobi L. var. mayuen Stapf, (Hatomugi)
original plant image
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Family nameGramineae
Used partmature seed w/o seed coat
Quality for selectionGood ones are fresh, more whitish in color, bigger in size, and have no damage by insects (TN).
Official compendiumJP XVIII, CP (2020 ed.)
Clinical applicationAs a diuretic, anti inflammatory, sedative and draining pus, it is applied to treat edema, rheumatoid, body aches due to neuritis, suppurated condition, etc. It is folklorically used as a wart removal, nutrient and tonic as well.
Medical systemTraditional Chinese medicine
Drug effect in
traditional medicine		Traditional
classification		Diuretics removing dampness
Beneficial effect[Property and Flavor] Cool;l sweet, bland.
[Meridian Tropism] Spleen, stomach and lung meridians.
[Actions] To promote urination to drain dampness, fortify the spleen to check diarrha, relieve impediment, expel pus, remove toxin and dissipate binds.
[Indications] Edema, tinea pedis, inhibited urination, diarrhea caused by spleen deficiency, spasm caused by fixed impediment, lung abscess, intestinal abscess, vegetation, tumor.
Chemical constituentLipids
(*C1):
Palmitic acid, Myristic acid, Linolic acid, cis-8-octadecenoic acidなどのglycerides

Other aliphatic and related compounds
(*C1):
Coixenolide

Polysaccharides
(*C1):
澱粉 / starch

Sterols
(*C1):
beta-Sitosterol, Campesterol, Stigmasterol

Amino acids
(*C1):
Glutamic acid, Leucine, Tyrosine, Valine

Alkaloids
根/root　(*C1):
Coixol

Chemical structure


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Pharmacological effectrespiratoy action (low dose; accelerated, high dose; palsy), pulmonary vasodilation.
DNA sequenceTraditioal Medical & Parmaceutical Database.
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")		※Click this image to see the actual image
DiseaseEdema, Oliguria, Fever, Feeling of heavy and dull, Feeling of pressure in the chest, Diarrhea, Swelling and pain of joint, Numbness, Lung suppurations, Appendicitis, Muddy and watery stool, Leukorrhea
FormulationJinryobyakujutsusan, Makyoyokukanto, Choyoto, Toryuto, Yokuininto, Yokuininto, Yokuibushihaishosan, Ikeito, Ikeigoshijunto, Kashininto, Kikyoto, Shimotsutokakkekagen, Seishitsuto, Jiohanho, Choyotokashakuyaku, Botanpisan
ReferencesJP18: 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 306-309.
RemarksYiyiren is the seed of Coix lachryma-jobi Linn. var. mayuen Stapf (Hatomugi in Jap.), from which the seed coat has been removed. The seed with the seed coat is commercially available under the name of Hatomugi or Yokuinin. In China it is called Yimi.
Last renewal date2023/03/31
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