PMID- 32718596 OWN - NLM STAT- MEDLINE DCOM- 20210414 LR - 20210414 IS - 1879-1344 (Electronic) IS - 0144-8617 (Linking) VI - 245 DP - 2020 Oct 1 TI - A new application of acetylation for analysis of acidic heteropolysaccharides by liquid chromatography-electrospray mass spectrometry. PG - 116439 LID - S0144-8617(20)30613-5 [pii] LID - 10.1016/j.carbpol.2020.116439 [doi] AB - A novel ultra-high-performance liquid chromatography-electrospray mass spectrometry (UHPLC-ESI-MS) method was proposed for simultaneous determination of neutral and acidic monosaccharaides by employing acetylation derivatization that is specialized for gas chromatography-mass spectrometry (GC-MS) analyses. The UHPLC-ESI-MS was carried out in a positive ionization mode with selective ion monitoring (SIM) of sodium adducts at m/z 385 (Ara, Xyl and Rib), 399 (Rha and Fuc), 443 (Glc, Gal and Man) and 457 (GlcA and GalA). The separation was achieved on a Cortecs C18(+) (2.1 mm x 150 mm, 1.6 mum) within 8 min using acetonitrile water as the mobile phase without additional buffer salt added. Furthermore, quantitative analysis of the multi-monosaccharaides by single marker (QAMS) was developed and validated using a relative correction factor. The UHPLC-ESI-MS and QAMS were compared and successfully applied to analyze the monosaccharide contents of a purified acidic heteropolysaccharide previously isolated from Ephedra sinica. The established UHPLC-ESI-MS and QAMS approach possesses high precision, stability and repeatability, and can be widely used for high-throughput analysis of the monosaccharide compositions of plant polysaccharides. CI - Copyright (c) 2020 Elsevier Ltd. All rights reserved. FAU - Li, Ye AU - Li Y AD - Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin, 150040, PR China. FAU - Liang, Jun AU - Liang J AD - Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin, 150040, PR China. FAU - Shen, Yu AU - Shen Y AD - Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin, 150040, PR China. FAU - Kuang, Hai-Xue AU - Kuang HX AD - Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin, 150040, PR China. Electronic address: hxkuang56@163.com. FAU - Xia, Yong-Gang AU - Xia YG AD - Key Laboratory of Chinese Materia Medica (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Harbin, 150040, PR China. Electronic address: yonggangxia@163.com. LA - eng PT - Evaluation Study PT - Journal Article DEP - 20200528 PL - England TA - Carbohydr Polym JT - Carbohydrate polymers JID - 8307156 RN - 0 (Monosaccharides) RN - 0 (Plant Extracts) RN - 0 (Polysaccharides) SB - IM MH - Acetylation MH - Chromatography, High Pressure Liquid/methods MH - Ephedra sinica/*chemistry MH - Hydrogen-Ion Concentration MH - Monosaccharides/*analysis MH - Plant Extracts/*analysis MH - Polysaccharides/*analysis MH - Reproducibility of Results MH - Spectrometry, Mass, Electrospray Ionization/*methods OTO - NOTNLM OT - Polysaccharide OT - QAMS OT - UHPLC-ESI-MS OT - monosaccharide compositions COIS- Declaration of Competing Interest No conflict of interest exists in the submission of this manuscript. EDAT- 2020/07/29 06:00 MHDA- 2021/04/15 06:00 CRDT- 2020/07/29 06:00 PHST- 2020/04/07 00:00 [received] PHST- 2020/05/03 00:00 [revised] PHST- 2020/05/08 00:00 [accepted] PHST- 2020/07/29 06:00 [entrez] PHST- 2020/07/29 06:00 [pubmed] PHST- 2021/04/15 06:00 [medline] AID - S0144-8617(20)30613-5 [pii] AID - 10.1016/j.carbpol.2020.116439 [doi] PST - ppublish SO - Carbohydr Polym. 2020 Oct 1;245:116439. doi: 10.1016/j.carbpol.2020.116439. Epub 2020 May 28.