title: Retraction.
abstract: The following article from Phytotherapy Research, 'Antiaging effect of purslane herb aqueous extracts and its mechanism of Action' by Huang Hao, Yu Nancai, Fu Lei, Su Wen, Huang Guofu, Wu Yanxia, Huang Hanju, Liu Qian published online on 15(th) April 2009 in Wiley InterScience (www.interscience.wiley.com) has been retracted by agreement between the journal Editor in Chief, Elizabeth Williamson and John Wiley & Sons, Ltd. The retraction has been agreed due to overlap with the following article: Zhang Hongxing, Yu Nancai, Huang Guofu, Shao Jianbo, Wu Yanxia, Huang Hanju, Liu Qian, Ma Wei, Yi Yandong and Huang Hao. Neuroprotective effects of purslane herb aquenous extracts against d-galactose induced neurotoxicity. Chemico-Biological Interactions 170: 3, pp.145-152.