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Immunochromatographic Determination of Bacopaside I in Biological Samples

Immunochromatographic Determination of Bacopaside I in Biological Samples

Sontaya Sookying, Dumrongsak Pekthong, Sarawut Oo-Puthinan, Watoo Phrompittayarat, Waraporn Putalun, Hiroyuki Tanaka, Jie Xing, Zhaoqi Zhan, Nantaka Khorana, Nitra Nuengchamnong, Kornkanok Ingkaninan

J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Jan 1;1040:60-66.

PMID: 27907870

Abstract:

We describe a novel immunochromatographic method for qualitative and quantitative analyses of bacopaside I, a bioactive constituent in Bacopa monnieri (L.) Wettst in biological samples. The assay was performed on polyethersulfone membrane using a polyclonal antibody raised against bacopaside I. The finalised method could quantitatively determine bacopaside I in the range of 31.3-1000.0ng and the detection and quantification limits were 1.0 and 31.3ng, respectively. The percentage recoveries of bacopaside I in blood and urine were nearly 100% indicating the accuracy of the extraction. The method was then applied for the determination of this compound in rat serum, urine and feces after an oral dose of 15mg/kg body weight. About 4% of the ingested dose of bacopaside I was detected in rat feces but none was detected in serum and urine which accorded with results from liquid chromatography tandem mass spectrometry. The accuracy, selectivity, sensitivity of the method are appropriate for in vivo pharmacokinetic studies.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP382148472	Bacopaside I		382148-47-2	Price

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