Structure Function Moments of Proton and Neutron

QCD-inspired phenomenological analysis of experimental moments of proton and deuteron structure functions F2 have been presented. The obtained results on the d/u ratio at large-x, isospin dependence of higher twists and comparison with Lattice QCD calculations were discussed. We remind shortly these results: the obtained ratio is consistent with the asymptotic limit d/u-->0 at x-->1, the total contribution of higher twists is found to be isospin independent and the non-singlet moments are in excellent agreement with the Lattice data. We present here some details of the analysis triggered by the public discussion.