A rapid quantitative 1H NMR analysis of kinsenoside and other bioactive principles from: Anoectochilus formosanus

Li Ying Hsieh, Hsiu Hui Chan, Hsin-Yi Hung, Chao Lin Kuo, Jin Bin Wu, I-Wen Sun, Ping-Chung Kuo, Tian-Shung Wu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Anoectochilus formosanus is a famous traditional Taiwanese folk medicine. Kinsenoside (1), one of the major active components in A. formosanus, exhibits hepatoprotective, antihyperliposis and antiflammatory activities. In this study, a proton nuclear magnetic resonance (1H NMR) method was developed for rapid quantitative analysis of several bioactive major constituents, including kinsenoside (1), 3-(R)-3-β-d-gluco-pyranosyloxy-4-hydroxybutanoic acid (2), 1-O-isopropyl-β-d-gluco-pyranoside (3), 4-(β-d-gluco-pyranosyloxy)benzyl alcohol (4) and benzoic acid (5) in plant samples and commercial products of A. formosanus. Interferences were removed by a simple Diaion HP-20 column chromatography. In the 1H NMR spectrum, the signals of compounds 1 (δ 2.88), 2 (δ 2.47), 3 (δ 1.12), 4 (δ 7.05) and 5 (δ 7.84) were selected and integrated as the target peaks, separated well from other signals in D2O. The developed 1H NMR method provides a rapid and simple quantitative method without any derivatization, pH control or addition of NMR shift reagent, and the analytical solvent system is very safe, convenient and simple.

Original languageEnglish
Pages (from-to)5645-5650
Number of pages6
JournalAnalytical Methods
Volume8
Issue number28
DOIs
Publication statusPublished - 2016 Jul 28

Fingerprint

Nuclear magnetic resonance
Benzyl Alcohol
Column chromatography
Benzoic Acid
Benzoic acid
Medicine
3-glucopyranosyloxybutanolide
Alcohols
Acids
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Engineering(all)

Cite this

Hsieh, Li Ying ; Chan, Hsiu Hui ; Hung, Hsin-Yi ; Kuo, Chao Lin ; Wu, Jin Bin ; Sun, I-Wen ; Kuo, Ping-Chung ; Wu, Tian-Shung. / A rapid quantitative 1H NMR analysis of kinsenoside and other bioactive principles from : Anoectochilus formosanus. In: Analytical Methods. 2016 ; Vol. 8, No. 28. pp. 5645-5650.
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A rapid quantitative 1H NMR analysis of kinsenoside and other bioactive principles from : Anoectochilus formosanus. / Hsieh, Li Ying; Chan, Hsiu Hui; Hung, Hsin-Yi; Kuo, Chao Lin; Wu, Jin Bin; Sun, I-Wen; Kuo, Ping-Chung; Wu, Tian-Shung.

In: Analytical Methods, Vol. 8, No. 28, 28.07.2016, p. 5645-5650.

Research output: Contribution to journalArticle

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AU - Hsieh, Li Ying

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AU - Kuo, Chao Lin

AU - Wu, Jin Bin

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AU - Kuo, Ping-Chung

AU - Wu, Tian-Shung

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AB - Anoectochilus formosanus is a famous traditional Taiwanese folk medicine. Kinsenoside (1), one of the major active components in A. formosanus, exhibits hepatoprotective, antihyperliposis and antiflammatory activities. In this study, a proton nuclear magnetic resonance (1H NMR) method was developed for rapid quantitative analysis of several bioactive major constituents, including kinsenoside (1), 3-(R)-3-β-d-gluco-pyranosyloxy-4-hydroxybutanoic acid (2), 1-O-isopropyl-β-d-gluco-pyranoside (3), 4-(β-d-gluco-pyranosyloxy)benzyl alcohol (4) and benzoic acid (5) in plant samples and commercial products of A. formosanus. Interferences were removed by a simple Diaion HP-20 column chromatography. In the 1H NMR spectrum, the signals of compounds 1 (δ 2.88), 2 (δ 2.47), 3 (δ 1.12), 4 (δ 7.05) and 5 (δ 7.84) were selected and integrated as the target peaks, separated well from other signals in D2O. The developed 1H NMR method provides a rapid and simple quantitative method without any derivatization, pH control or addition of NMR shift reagent, and the analytical solvent system is very safe, convenient and simple.

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