Extract of Glycyrrhiza glabra Linn. (Liquorice ) roots could cure coughing.
Glycyrrhiza glabra Linn. Vernacular Names :- Arabic : Irkessus ; Bengal : Jashtimadhu, Jaishbomodhu ; Bombay : Jashtimadhu ; English : Liguorice ; Gujrat : Jethimadha ; Hindi : Mulhatti ; Punjab : Jetimadh , Muleti ; Sanskrit : Jalayashti ; Telgu : Atimaduramu. Family :- Papilionaceae. Distribution :- It is found in Afganistan, China, France, Germany, India, Italy, Spain and Turkistan. Morphology :- 4-5 feet high plant with typical papilionaceous flowers of purplish blue colour. The underground portion of the plant consist of long roots and thin rhizomes or stolons (Trease and Evans, 1973). Chemical composition :- Sweet taste of Mulati is due to glycyrrhizin, and the potassium and calcium salts of glycyrrhizinic acid. It also consist of glycyrrhetic acid, liquiritic acid, rhamnoliquiritin, flavonoid isoliqueritin, 5-15 % of sugars (sucrose and glucose), -sitosterol, starch, proteins, and 1-2 % of asparagines (amide of aspartic or amino-succinic acid) (Grieve and Leyel, 1959). Part used :- Leaves and roots (Plate – 1 i). Uses :- Liquorice root and its extract is used for cough and chest complaints. It is described as sweet, demulcent, cooling and useful in inflammatory infections, cough, hoarseness, thirst, pectoral, emollient, good for sore throats. It is used as a demulcent in catarrh of genito-urinary passages and as a slight laxative. Root with other drugs used for derangements of blood (Hoston). It has tonic, alexipharmac, alternative and expectorant properties. Its poultice is used for cure for scald head and stinking of feet or armpits.It is hot, dry, suppurative, demulcent and lenitive, relieving thurst and cough and removing unhealthy humours, also diuretic and emmenagogue, useful in asthma and irritiable condition of the bronchial passages. Decoction is recommended in cold colic, it is dropped into the eyes to strengthen the sight.