The Publisher and Editor have retracted this article  in accordance with good ethical practices. After a thorough investigations
we believe that the peer review process was compromised. The article was published on-line on 22-10-2015.
 M. Huang, L. Zhang, S. Wei, Q. Zeng, H. Zhou and Y. Lin, “Seasonal
variation of tannin and nutrient in aegiceras corniculatum leaves in
zhangjiang mangrove ecosystem”, The Open Chemical Engineering
Journal, vol. 9, pp. 143-148, 2015.