Analysis of Choline, Carnitine, Acetylcarnitine and Acetylcholine in Animal Feeds, Blood and Urine Using Ion Chromatography Coupled with Tandem Mass Spectrometry | Zendy

Decheng Suo | Zendy; Fan Xia | Zendy; Shulin Wei | Zendy; Li Yang | Zendy

Open Access

Analysis of Choline, Carnitine, Acetylcarnitine and Acetylcholine in Animal Feeds, Blood and Urine Using Ion Chromatography Coupled with Tandem Mass Spectrometry

Author(s) -

Decheng Suo,

Fan Xia,

Shulin Wei,

Li Yang

Publication year - 2021

Publication title -

journal of chromatographic science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.362

H-Index - 56

eISSN - 1945-239X

pISSN - 0021-9665

DOI - 10.1093/chromsci/bmab011

Subject(s) - acetylcarnitine , chemistry , chromatography , carnitine , urine , tandem mass spectrometry , analyte , solid phase extraction , choline , mass spectrometry , extraction (chemistry) , liquid chromatography–mass spectrometry , quantitative analysis (chemistry) , biochemistry

A simple and sensitive method was proposed for choline, carnitine, acetylcarnitine (ACa) and acetylcholine (ACh) separation in feed, blood and urine of animals by using ion chromatography (IC) and detection by tandem mass spectrometry (MS/MS). Analytes were extracted using a mixture of acetonitrile and water, purified by C18 solid-phase extraction columns, separated via IC with an IonPac SCS-1 column and detected by an MS/MS detector by using isotopic internal standards for quantification. The effects of different chromatographic parameters on the separation were also investigated. Under optimal conditions, the recovery was >90%, with the relative standard deviations of <15%. The proposed method was highly reliable for the simultaneous determination of choline, carnitine, ACa and ACh in feed, blood and urine.

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