id author title date pages extension mime words sentences flesch summary cache txt cord-262094-b4yuh5y9 Shi, Yanhong Separation and Quantification of Four Main Chiral Glucosinolates in Radix Isatidis and Its Granules Using High-Performance Liquid Chromatography/Diode Array Detector Coupled with Circular Dichroism Detection 2018-05-29 .txt text/plain 3614 193 51 title: Separation and Quantification of Four Main Chiral Glucosinolates in Radix Isatidis and Its Granules Using High-Performance Liquid Chromatography/Diode Array Detector Coupled with Circular Dichroism Detection To clarify the chemical characterization of chiral glucosinolates—the antiviral active ingredients of Radix Isatidis, an optimized efficient method of HPLC-UV-CD was developed to simultaneously separate and quantify the four main chiral glucosinolates: progoitrin, epiprogoitrin, and R,S-goitrin. Isatidis were performed using HPLC-UV-CD, which improved the limitation of high-cost chiral columns, complex operation of sample preparation, and simultaneous quantification of the characteristic glucosinolates. Isatidis were performed using HPLC-UV-CD, which improved the limitation of high-cost chiral columns, complex operation of sample preparation, and simultaneous quantification of the characteristic glucosinolates. As shown in Figure 1 , the chemical composition of progoitrin, epiprogoitrin, and R,S-goitrin in crude drugs, decoction pieces, and granules of R. As shown in Figure 1 , the chemical composition of progoitrin, epiprogoitrin, and R,S-goitrin in crude drugs, decoction pieces, and granules of R. ./cache/cord-262094-b4yuh5y9.txt ./txt/cord-262094-b4yuh5y9.txt