The dry crude drug was analyzed by HPLC-MS-MS and chromatographed on Sephadex LH-20 to obtain purified compounds and fractions for spectroscopic analysis.  Three known alkaloids and five argininyl diacids were identified in the complex mixture by HPLC-MS-MS. 
HPLC-MS-MS
The dry crude drug was analyzed by HPLC-MS-MS and chromatographed on Sephadex LH-20 to obtain purified compounds and fractions for spectroscopic analysis. 
Sephadex LH-20