Powder X-ray diffraction analysis (XRD). X-ray powder diffractograms of control barley starch granules (top) and the amylose-only starch granules from the SBE RNAi4.1 line (bottom). The diffraction peaks at 2θ typical for A-type, B-type and Vh-type crystalline polymorphs are indicated.
Carciofi et al. BMC Plant Biology 2012 12:223 doi:10.1186/1471-2229-12-223