Crude drug composition for preventing or treating respiratory diseases

Abstract

The present disclosure relates to a pharmaceutical composition for preventing or treating respiratory diseases and a food composition for preventing or relieving respiratory diseases comprising a mixed extract of Dioscoreae rhizoma, Taraxaci herba and Schizonepetae spica as an active ingredient. A composition comprising a mixed extract of Dioscoreae rhizoma, Taraxaci herba and Schizonepetae spica of the present disclosure has an advantage of preventing respiratory diseases and relieving the symptoms of respiratory diseases, restores damages in the lung tissue and has efficacy for inhibiting inflammation, oxidative stress and ageing reactions induced by fine dust. More particularly, the composition of the present disclosure increases the expression of a telomerase which extends the length of a telomere, and thus is expected to fundamentally treat degenerative respiratory diseases induced by fine dust unlike existing symptom alleviating agent.

1 .- 6 . (canceled) 
     
     
         7 . A oral composition comprising a mixed extract of  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica  as an active ingredient,
 wherein a weight ratio of the  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica  in the mixed extract is 1-4:1:1-4 or 1:1-4:1-4,   wherein the extract is obtained by extraction with C1 to C6 lower alcohol or aqueous solution thereof, and   wherein the oral composition is selected from the group consisting of an emulsion, granules, a tablet, and a capsule.   
     
     
         8 . The oral composition of  claim 7 , wherein the C1 to C6 lower alcohol is ethanol. 
     
     
         9 . The oral composition of  claim 7 , the mixed extract is an extract from a mixture of  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica.    
     
     
         10 . The oral composition of  claim 7 , the mixed extract is a mixture of  Dioscoreae rhizoma  extract,  Taraxaci herba  extract, and  Schizonepetae spica  extract. 
     
     
         11 . A food composition comprising (a) a mixed extract of  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica , and (b) an ingredient selected from the group consisting of a protein, a carbohydrate, a fat, a nutrient, a seasoning, and a flavoring agent,
 wherein the  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica  are in a weight ratio of 1-4:1:1-4 or 1:1-4:1-4, and   wherein the extract is obtained by extraction with C1 to C6 lower alcohol or aqueous solution thereof.   
     
     
         12 . The food composition of  claim 11 , wherein the food is health functional food selected from the group consisting of drinks, meats, chocolates, foods, confectionery, pizzas, instant noodles, gums, ice creams, alcohol drinks, vitamin complexes, and health supplement foods. 
     
     
         13 . A method for alleviation or treatment of a respiratory disease comprising:
 administering a composition to a subject in need thereof, the composition comprising a mixed extract of  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica  as an active ingredient,   wherein a weight ratio of the  Dioscoreae rhizoma, Taraxaci herba , and  Schizonepetae spica  in the mixed extract is 1-4:1:1-4 or 1:1-4:1-4, and   wherein the extract is obtained by extraction with C1 to C6 lower alcohol or aqueous solutions thereof.   
     
     
         14 . The method of  claim 15 , wherein the respiratory disease is selected from the group consisting of rhinitis, pharyngitis, laryngitis, pharyngolaryngitis, pneumonia, acute or chronic bronchitis, and chronic obstructive pulmonary disease. 
     
     
         15 . The method of  claim 15 , wherein the C1 to C6 lower alcohol is ethanol.