US2016250271A1PendingUtilityA1

Herbal composition for diabetic retinopathy

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Assignee: HAN SHENG PHARMTECH INCPriority: Feb 26, 2015Filed: Feb 26, 2015Published: Sep 1, 2016
Est. expiryFeb 26, 2035(~8.6 yrs left)· nominal 20-yr term from priority
Inventors:Shorong-Shii LiouI-Min LiuKun-Yi Hong
A61K 36/232A61K 2236/333A61K 36/8984A61K 36/481A61K 2236/331A61K 2236/33
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Claims

Abstract

A herbal composition for diabetic retinopathy includes 40 wt % of an ethanol extract of Astragalus membranaceus , 8 wt % of an ethanol extract of Angelica sinensis and 52 wt % of a water extract of Dendrobium officinale. The present invention further relates to a method for diabetic retinopathy by administrating the herbal composition to a subject in need.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A herbal composition for diabetic retinopathy, comprising 40 wt % of an ethanol extract of  Astragalus membranaceus,  8 wt % of an ethanol extract of  Angelica sinensis  and 52 wt % of a water extract of  Dendrobium officinale.    
     
     
         2 . The herbal composition for diabetic retinopathy as claimed in  claim 1 , wherein the ethanol of  Astragalus membranaceus  is manufactured by extracting a root sample of  Astragalus membranaceus  with 95% ethanol. 
     
     
         3 . The herbal composition for diabetic retinopathy as claimed in  claim 1 , wherein the ethanol extract of  Angelica sinensis  is manufactured by extracting a root sample of  Angelica sinesis  with 95% ethanol. 
     
     
         4 . The herbal composition for diabetic retinopathy as claimed in  claim 1 , wherein the water extract of  Dendrobium officinale  is manufactured by extracting a stem sample of  Dendrobium officinale  with water. 
     
     
         5 . The herbal composition for diabetic retinopathy as claimed in  claim 4 , wherein the water extract of  Dendrobium officinale  is manufactured by extracting the stem sample of  Dendrobium officinale  with water at 50-80° C., followed by partitioning with 95% ethanol at 50-80° C. to obtain a precipitate as the water extract of  Dendrobium officinale.    
     
     
         6 . A method for diabetic retinopathy, by administering the herbal composition as claimed in  claim 1  to a subject in need thereof to relieve symptoms of diabetic retinopathy. 
     
     
         7 . The method for diabetic retinopathy as claimed in  claim 6 , wherein the herbal composition is administered to the subject in need thereof in a dosage of 100 mg/per kilogram of body weight per day for 15-60 days.

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