Crude drug sample data base

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Crude drug name

Market name牡蛎
Formal name牡蛎
Japanese nameぼれい, Borei
Vernacular nameKaki
Latin nameOstreae Testa (JP), Ostreae Concha (CP)
English nameOyster Shell (JP), (CP)
Original plant nameOstrea gigas Thunb. (= Crassotrea gigas Thunb.), (Kaki)
Family nameOstreidae
Used partClassificationAnimal origin
Sub classification shellfish
Production area informationJapan
Collection informationJapan, Osaka Pref., Tochimoto Tenkaidou Co.,Ltd.
Collection date2014/07/14
CollectorMakoto Kadowaki
RemarksSample to be used for research（TradMPD）
TMPW No.28949

The capital city, provincial capital city or the representative　　
location of its administrative area is indicated.　　
Production area information
Japan
https://ethmed.toyama-wakan.net/img/pin_san.png
34.6937378
135.50216509999996
Collection information
Japan,Osaka Pref.
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Scientific information data base

Common name牡蠣, Muli, Ostreae TestaJP, Ostreae ConchaCP, Oyster ShellJP,CP
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Original plant nameOstrea gigas Thunberg (= Crassostrea gigas Thunberg), Kaki and others (see REMARKS)
Family nameOstreidae
Used partleftward shell
Quality for selectionFresh ones are considered to be of good quality. Gray-colored specimens are called "Nezumi-de," whereas white-colored specimens are called "Yoshimasu-de" (TN).
Official compendiumJP XIX, CP (2025 ed.)
Clinical applicationIt is used as an antacid, antithirst, anhidrotic, and sedative agent for hyperacidity, night sweating, nocturnal emission, scrofula, and mental instability.
Medical systemTraditional Chinese medicine
Drug effect in
traditional medicine		Traditional
classification		Sedatives and tranquilizer
Beneficial effect[Property and Flavor] Mild cold; salty.
[Meridian Tropism] Liver, gallbladder and kidney meridians.
[Actions] To tranquilize the mind by heavy settling, subdue yang and repenish yin, soften hardness and dissipate binds.
[Indications] Fright palpitations and insomnia, dizziness and tinnitus, scrofula and phlegm nodule, aggregation-accumulation masses, glomus.
Chemical constituentOthers
(*C1):
CaCO3, Ca3(PO4)2, Mg,Al塩, Fe2O3

Chemical structure

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Pharmacological effectOyster meat: antihyperglycemic (oyster extract), immunological enhancement (neutral polysaccharide).
Oyster shell: antacid but the others are unknown.
DNA sequenceAF052067
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")		※Click this image to see the actual image
DiseaseScary constitution, Fret, Insomnia, Dream-disturbed sleep, Palpitation, Cramp, Lightheadedness, Headache, Ear buzzing, Numbness, Spontaneous sweating, Night sweats, Spermatorrhea, Irregular vaginal bleeding, Hypermenorrhea, Leukorrhea, Cervical lymphadenopathy, Stomachache
FormulationAnchusan, Kangento, Kyugyakuto, Keishikaryukotsuboreto, Keishikanzoryukotsuboreito, Keishikyoshakuyakukashokushitsuryukotsuboreito, Keishikyoshakuyakukashokushitsuryukotsuboreikyugyakuto, Saikokaryukotsuboreito, Saikokeishikankyoto, Shikonboreito, Shahitokaryukotsuboreito, Seishinto, Ryukotsuto, Daitokato, Ninjinsan, Boreito, Fuinto
ReferencesJP: The 19th edition of the Japanese Pharmacopoeia.
CP: Pharmacopoeia of the People's Republic of China 2025 edi.
C1) The Encyclopedia of Wakan-Yaku with Color Pictures Vol. II, pp 312-313.
RemarksOthers refer to the left shell of Ostrea rivularis Gould, O. denselamellosa L., O. circumpicta P., Crassostrea belcheri Sowerby, Saxostrea mordax Gould, S. echinata Quoy et Gaimard, and Pretostrea imbricata Lamarck.
Last renewal date2026/07/14
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