Retraction
We, the Editor and Publisher of Analytical Letters, are retracting the following article:
Li-Feng Zhang, Can-Fang Liu & Yan-Bo Meng “Isolation and Determination of Sterols in Rapeseed Oil by HPLC-MS” Analytical Letters 42.11 (2009): 1650–1661 http://dx.doi.org/10.1080/00032710902993811
We are now cognizant of an extended and substantially similar version of this article which was published nearly two years prior in Food Chemistry
B. Cañabate-Díaz, A. Segura Carretero, A. Fernández-Gutiérrez, A. Belmonte Vega, A. Garrido Frenich, J.L. Martínez Vidal & J. Duran Martos “Separation and determination of sterols in olive oil by HPLC-MS” Food Chemistry 102.3 (2007): 593–598 http://dx.doi.org/10.1016/j.foodchem.2006.05.038
This action constitutes a breach of warranties made by the authors with respect to originality. We note we received, peer-reviewed, accepted, and published the article in good faith based on these warranties, and censure this action.
The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as RETRACTED.