Provided is a composition in powder form comprising methylcellulose, wherein said composition has a powder x-ray diffraction spectrum at source x-ray wavelength of 1.789 Å showing a peak at a 2Θ value between 14.5 and 16.5 degrees having intensity level Ipeak and a trough at a 2Θ value between 16.51 and 20 degrees having intensity level Itrough, wherein a peak index PIndex is defined as PIndex = (Ipeak - Itrough) / Itrough and wherein said PIndex is 0.01 or greater.
