Effects of the soil properties and the contents of inorganic constituents in root on the baicalin contents of Scutellaria baicalensis George root.
1989
Chang S.M. | Lee G.S. | Park S.J.
This study was carried out to find out favorable soil conditions to give good quality of Scutellaria baicalensis George for Korean medicine. The samples were collected from the 7 fields of Andonggun and Euisunggun. The plants were grown under soils of different physico-chemical properties and the available constituents from their roots were analyzed by HPLC. The average N, P, K contents in roots were determined to be 0.28-1.26 %, 0.17-0.46 % and 1.00-1.49 %, respectively. The baicalin content of root was determined to be 11.41-14.76 % (Andonggun) and 13.67-16.31 % (Euisunggun). The contents of N, P in root were negatively correlated with the contents of exchangeable cations (K, Ca, Mg), clay and organic matter in soil, whereas it was not significant with the contents of total nitrogen and available phosphorus of surface soils. The baicalin content was positively correlated with the exchangeable potassium content in soil, but negatively correlated with nitrogen and phosphorus contents in the root of Scutellaria baicalensis George.
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