1. UMR 1332; biologie et pathologie du fruit, INRA; Univ. Bordeaux; centre de Bordeaux 33883 Villenave d'Ornon France
2. Centre for Organized Matter Chemistry and Centre for Protolife Research; School of Chemistry; University of Bristol; Cantock's Close BS8 1TS Bristol UK
3. UR BIA 1268, Biopolymères Interactions Assemblages; INRA; 44316 Nantes France
4. CNRS, Univ. Bordeaux; CRPP; 115 Av. A. Schweitzer 33600 Pessac France