[1] Univ Kalmar, Dept Chem & Biomed Sci, Bioorgan & Biophys Chem Lab, SE-39182 Kalmar, Sweden
[2] Univ Nottingham, Sch Pharm, Nottingham NG7 2RD, England
[3] AStraZeneca R&D Sodertalje Biosci, SE-15185 Sodertalje, Sweden
[4] Univ Leeds, Sch Chem, Leeds LS2 9JT, W Yorkshire, England
[5] AFRC, Inst Food Res, Norwich NR4 7UA, Norfolk, England