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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 14, No. 12, 2015, pp. 2239-2246
Bioline Code: pr15295
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 14, No. 12, 2015, pp. 2239-2246

 en Isolation, Identification and Determination of Six Nucleosides and Two Amino Acids from Bamboo Shoots of Gramineae Phyllostachys prominens check for this species in other resources (W Y Xiong)
Xu, Xiao-bo; Yue, Yong-de; Tang, Feng; Guo, Xue-feng; Wang, Jin; Yao, Xi; Sun, Jia & Xun, Hang


Purpose: To develop a method to identify and quantify the compounds in the shoots of four Phyllostachys bamboo species (Gramineae Phyllostachys prominens check for this species in other resources W. Y. Xiong, Gramineae Phyllostachys iridescins C. Y. Yao Gramineae Phyllostachys pubescens check for this species in other resources (Carr.) Mitford, Gramineae Phyllostachys praecox check for this species in other resources 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.

Bamboo shoots; Phyllostachys prominens; Guanosine; 2’-Deoxyguanosine; Adenosine; Thymidine; Uridine; Cytidine; Tryptophan; Phenylalanine

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