Disptaches from Vitafoods Europe 2011 DSM on Vitatene, Martek and its investment “shortlist” 18-May-2011 By Shane Starling DSM’s head of global marketing in human nutrition and health, Gareth Barker, explains why it has bought a carotenoid supplier (approval permitting), how the Martek acquisition is progressing, and why the company is not finished spending yet.