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US 12,403,170 B2Granted
Pharmaceutical composition containing Saururus chinensis fraction, and preparation method thereof
AssigneesPharmacobio, Inc, Kyonggi University Industry & Academia Cooperation Foundation
InventorsKwang-Soon Shin, Yang-Kook Rho
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Abstract
The present disclosure relates to a pharmaceutical composition for preventing, treating or ameliorating inflammatory bowel disease, containing, as an active ingredient, a specific solvent fraction obtained from Saururus chinensis; and a preparation method therefor.
Claims5
A method for preparing a solvent fraction of Saururus chinensis effective for inflammatory bowel disease, the method comprising the steps of:
- (S1) extracting Saururus chinensis with a 50-90 volume % ethanol aqueous solution,
- (S2) adding purified water to the residue remaining after the extraction, and heating to 70-100° C.,
- (S3) enzymatically treating the result of the step S2,
- (S4) removing the residue in the extract and filtering the extract,
- (S5) adding ethanol to the filtrate of the step S4 to form a precipitate, and
- (S6) obtaining the precipitate.
3 more elements
Dependencies are inferred from the claim text.