Safe pharmaceutical composition for treatment and prevention of gynecological disease
OwnerXinxian Zhaoinventor
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Abstract
The present invention relates to a new and safe pharmaceutical composition for treating and preventing gynecological disease and increasing immune function. Specifically, this invention provides a new and safe composition, which is ligustilide (LIG) extracted from Dang Gui. The chemical structure of ligustilide is indicated.
Claims7
A safe pharmaceutical composition for treating and preventing gynecological disease and increasing immune function comprises Ligustilide (LIG) and its derivate.
A process for producing Ligustilide (LIG), which used for treating and preventing gynecological disease and increasing immune function comprises:
- a. Extracting said powder of Dang Gui with 95% of ethanol;
- b. The hexanol extraction was recovered and the residue obtained;
- c. The residue was resolved in ether;
- d. The ether extracted by 5% of NaOH;
- e. Ether was collected and washed by water;
- f. Ether was passed through a column of silica gel and elute with CHCl3;
- g. Solution of CHCl3 recovered under reduced pressure and oil was collected;
- h. Oil was distilled and 168° C.-169° C. fraction was collected;
- i. Oil washed by water and distilled;
- j. 168° C.-169° C. fraction was collected again;
- and
- k. The final product is ligustilide.
A safe pharmaceutical composition for treating and preventing gynecological disease and increasing immune function comprises Ligustilide (LIG), which extracted from an herb named Dang Gui.
Dependencies are inferred from the claim text.