Complexation of antibiotic levomycetin (Chloroamphenicol) with α-hederin and hederasaponin c under the conditions of electrospray ionization

被引:1
|
作者
Lekar', A. V. [1 ]
Yakovishin, L. A. [2 ]
Borisenko, S. N. [1 ]
Vetrova, E. V. [1 ]
Borisenko, N. I. [3 ]
机构
[1] So Fed Univ, Res Inst Phys & Organ Chem, Rostov Na Donu 344090, Russia
[2] Sevastopol Natl Tech Univ, Chair Phys, Course Chem, UA-99053 Sevastopol, Ukraine
[3] So Fed Univ, Ctr Analyt & Ecol, Rostov Na Donu 344090, Russia
关键词
electrospray ionization mass spectrometry; triterpene glycoside; alpha-hederin; hederasaponin C; levomycetin; molecular complex; TRITERPENE GLYCOSIDES;
D O I
10.1134/S1061934811140115
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The complexation of antibiotic levomycetin (chloroamphenicol) with triterpene glycoside alpha-hederin and hederasaponin C was investigated by electrospray ionization mass spectrometry. The glycosides form complexes with levomycetin in the molar ratio 1: 1. The molecular complex of alpha-hederin is more stable than the one of hederasaponin C because of the presence of a free carboxyl group in its aglycone fragment. The carboxyl group of hederasaponin C is involved into the formation of a glycosidic bond with the trisaccharide unit and is not available for complex formation.
引用
收藏
页码:1437 / 1440
页数:4
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