Tropical Journal of Pharmaceutical Research

Original Research Article | OPEN ACCESS

Isolation, identification and determination of six nucleosides and two amino acids from bamboo shoots of Gramineae Phyllostachys prominens (W Y Xiong)

Xiao-bo Xu, Yong-de Yue , Feng Tang, Xue-feng Guo, Jin Wang, Xi Yao, Jia Sun, Hang Xun

International Center for Bamboo and Rattan, Beijing 100102, China;

For correspondence:- Yong-de Yue Email: yueyd@icbr.ac.cn Tel:+861084789868

Received: 6 August 2015 Accepted: 7 November 2015 Published: 27 December 2015

Citation: Xu X, Yue Y, Tang F, Guo X, Wang J, Yao X, et al. Isolation, identification and determination of six nucleosides and two amino acids from bamboo shoots of Gramineae Phyllostachys prominens (W Y Xiong). Trop J Pharm Res 2015; 14(12):2239-2246 doi: 10.4314/tjpr.v14i12.13

© 2015 The authors.
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Abstract

Purpose: To develop a method to identify and quantify the compounds in the shoots of four Phyllostachys bamboo species (Gramineae Phyllostachys prominens W. Y. Xiong, Gramineae Phyllostachys iridescins C. Y. Yao Gramineae Phyllostachys pubescens (Carr.) Mitford, Gramineae Phyllostachys praecox C. D. Chu et C. S. Chao. ).

Methods: The compounds in bamboo shoots were isolated and identified by ultraviolet (UV) spectroscopy, mass spectrometry (MS), and nuclear magnetic resonance (NMR). Quantitative analysis was performed by reversed-phase high performance liquid chromatography (RP-HPLC) using a C18 column and a mixture (1:1ratio) of acetonitrile and 15 mM ammonium acetate (pH 6.0) as mobile phase. This method was validated for its reproducibility, chemical stability, and recovery.

Results: Six nucleosides and two amino acids were isolated from bamboo shoots, including guanosine, 2’-deoxyguanosine, adenosine, thymidine, uridine, cytidine, tryptophan, and phenylalanine. The HPLC method was rapid and reproducible. The intraday and interday concentrations of the eight identified compounds showed good linearity in the range of 0.22 - 60.00 μg/mL. The relative standard deviation (RSD) for intraday and interday precision for reproducibility and stability was < 3 %. The validated method was successfully applied to determine the content of the eight compounds in four different Phyllostachys species.

Conclusion: Adenosine was isolated from bamboo shoots previously, but the isolation of the other seven compounds are reported here for the first time. The method proposed is sensitive and reproducible, and would facilitate studies of nutritional/medicinal compounds in bamboo shoot.

Keywords: Bamboo shoots, Phyllostachys prominens, Guanosine, 2A533;-Deoxyguanosine, Adenosine, Thymidine, Uridine, Cytidine, Tryptophan, Phenylalanine