“Long-Dan”and“Qin-Jiao”are two important TCM herbs since ancient times in China.In the Chinese Pharmacopoeia,the dried roots and rhizomes of four species from the genus Gentiana,e.g.Gentiana manshurica,G.scabra,G....“Long-Dan”and“Qin-Jiao”are two important TCM herbs since ancient times in China.In the Chinese Pharmacopoeia,the dried roots and rhizomes of four species from the genus Gentiana,e.g.Gentiana manshurica,G.scabra,G.triflora and G.rigescens,are recorded under the name of Gentianae Radix et Rhizoma(“Long-Dan”in Chinese),while the other four species from the same genus including G.macrophylla,G.crassicaulis,G.straminea and G.duhurica are recorded and used as the raw materials of Gentianae Macrophyllae Radix(“Qin-Jiao”in Chinese).On the basis of the establishment of a validated HPLC–UV method for quantifying simultaneously,five iridoid glycosides,e.g.loganic acid(1),swertiamarinin(2),gentiopicroside(3),sweroside(4)and 20-(o,m-dihydroxybenzyl)sweroside(5)have been used successfully as chemical markers for the comparison of the species used as“Long-Dan”,“Qin-Jiao”and their adulterants in the present study.The results suggested that four iridoid glycosides 1–4 commonly existed in both“Long-Dan”and“Qin-Jiao”,while 20-(o,m-dihydroxybenzyl)sweroside(5)also existed as one of the major components in“Dian-Long-Dan”species.Moreover,the contents of compounds 1–5 were various in different“LongDan”and“Qin-Jiao”species.Herein,we profiled and compared three“Long-Dan”species,four“Qin-Jiao”species and five adulterants by applying multivariate statistical techniques to their HPLC data sets to establish the differences and/or similarities.展开更多
基金Science and Technology Planning Project of Yunnan Province(2010CD106)the 973 Program of Ministry of Science and Technology of P.R.China(2011CB915503)+1 种基金the State Key Laboratory of Phytochemistry and Plant Resources in West China,KIB,CAS(P2010-ZZ03)The Fourteenth Candidates of the Young Academic Leaders of Yunnan Province(Min XU,2011CI044).
文摘“Long-Dan”and“Qin-Jiao”are two important TCM herbs since ancient times in China.In the Chinese Pharmacopoeia,the dried roots and rhizomes of four species from the genus Gentiana,e.g.Gentiana manshurica,G.scabra,G.triflora and G.rigescens,are recorded under the name of Gentianae Radix et Rhizoma(“Long-Dan”in Chinese),while the other four species from the same genus including G.macrophylla,G.crassicaulis,G.straminea and G.duhurica are recorded and used as the raw materials of Gentianae Macrophyllae Radix(“Qin-Jiao”in Chinese).On the basis of the establishment of a validated HPLC–UV method for quantifying simultaneously,five iridoid glycosides,e.g.loganic acid(1),swertiamarinin(2),gentiopicroside(3),sweroside(4)and 20-(o,m-dihydroxybenzyl)sweroside(5)have been used successfully as chemical markers for the comparison of the species used as“Long-Dan”,“Qin-Jiao”and their adulterants in the present study.The results suggested that four iridoid glycosides 1–4 commonly existed in both“Long-Dan”and“Qin-Jiao”,while 20-(o,m-dihydroxybenzyl)sweroside(5)also existed as one of the major components in“Dian-Long-Dan”species.Moreover,the contents of compounds 1–5 were various in different“LongDan”and“Qin-Jiao”species.Herein,we profiled and compared three“Long-Dan”species,four“Qin-Jiao”species and five adulterants by applying multivariate statistical techniques to their HPLC data sets to establish the differences and/or similarities.
