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Characterization of Acacia mangium Tannin Fractions Extracted with Different Organic Solvents
Corresponding Author(s) : Wuyong Chen
Asian Journal of Chemistry,
Vol. 27 No. 5 (2015): Vol 27 Issue 5
Abstract
The matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), nuclear magnetic resonance and gel permeation chromatography were introduced to characterize the structures of tannins in diethyl ether fraction, ethyl acetate fraction and water fraction extracted from Acacia mangium bark. The spectra obtained through MALDI-TOF MS analysis revealed that the tannins in each fraction were predominantly consisted of (epi)catechin repeating units combined with (epi) gallocatechin and (epi) afzelechin. Also, procyanidin, prodelphinidin and propelargonidin features were all presented in both MALDI-TOF MS and 13C NMR spectra. For these oligomer units, both cis- and trans- form were observed through 13C NMR analyses. The results from GPC test revealed that tannins in diethyl ether fraction, ethyl acetate fraction and water fraction were primary consisted of dimer and trimer, pentamer and hexamer, nonamer and decamer, respectively. Based on the information obtained from MALTI-TOF MS, 13C NMR and GPC, the structures of tannins in each fraction were finally made clear. The results could provide a valuable reference for the fine applications of Acacia mangium tannin.
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- Y.D. Shi, Plant Polyphenol, Science Press, Beijing, pp. 10-12 (2000).
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- R.J. Aerts, T.N. Barry and W.C. McNabb, Agric. Ecosyst. Environ., 75, 1 (1999); doi:10.1016/S0167-8809(99)00062-6.
- A.E. Hagerman, M.E. Rice and N.T. Ritchard, J. Agric. Food Chem., 46, 2590 (1998); doi:10.1021/jf971097k.
- M. Nagamitsu, B. Anke, K. Heike and K.K. Ingrid, Soil Biol. Biochem., 35, 577 (2003); doi:10.1016/S0038-0717(03)00051-8.
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References
F. Mergen, C.S. Hodges, D.I. Nicholson, H. Popenoe and K.F. Wiersum, Mangium and other Acacia of the Humid Tropics, Natl. Acad. Press, Washington, D.C., pp. 3-6 (1983).
H. Krisnawati, M. Kallio, M. Kanninen, Acacia mangium Willd, Ecology, Silviculture and Productivity, Center for International Forestry Research, Bogor Barat, Indonesia, pp. 1-3 (2011).
F. Wang, Guangdong Forest Sci. Technol., 30, 42 (2014).
Y.B. Hoong, M.T. Paridah, Y.F. Loh, H. Jalaluddin and L.A. Chuah, Int. J. Adhes. Adhes.,31, 164 (2011); doi:10.1016/j.ijadhadh.2010.12.002.
Y.B. Hoong, A. Pizzi, P. Md. Tahir and H. Pasch, Eur. Polym. J., 46, 1268 (2010); doi:10.1016/j.eurpolymj.2010.03.002.
P. Schofield, D.M. Mbugua and A.N. Pell, Anim. Feed Sci. Technol., 91, 21 (2001); doi:10.1016/S0377-8401(01)00228-0.
Y.D. Shi, Plant Polyphenol, Science Press, Beijing, pp. 10-12 (2000).
B. Teng, Y. Gong and W.Y. Chen, J. Soc. Leather Technol. Chem., 97, 220 (2013).
R.J. Aerts, T.N. Barry and W.C. McNabb, Agric. Ecosyst. Environ., 75, 1 (1999); doi:10.1016/S0167-8809(99)00062-6.
A.E. Hagerman, M.E. Rice and N.T. Ritchard, J. Agric. Food Chem., 46, 2590 (1998); doi:10.1021/jf971097k.
M. Nagamitsu, B. Anke, K. Heike and K.K. Ingrid, Soil Biol. Biochem., 35, 577 (2003); doi:10.1016/S0038-0717(03)00051-8.
P. Xiang, Y.M. Ling, P. Ling and C. Xiang, Chinese J. Anal.Chem., 34, 1019 (2006).
H.-C. Zhou, Y.-M. Lin, Y.-Y.Li, M.Li, S.-D.Wei, W.-M.Chai and N.F.-Tam, Food Res. Int., 44, 613 (2011); doi:10.1016/j.foodres.2010.12.016.
Z. Czochanska, L.Y. Foo, R.H. Newman and L.J. Porter, J. Chem. Soc., Perkin Trans. 1, 2278 (1980); doi:10.1039/p19800002278.