2.3.5. X-ray Diffraction (XRD)

A Bruker D2 PHASER (Brucker, Odelzhausen, Germany) X-ray diffractometer, operated at 30 kV, 10 mA was used to obtain X-ray diffractograms of quercetin, zein, chitosan, pectin and quercetin-loaded hollow zein particles coated with chitosan and pectin. The data were collected over an angular range from 5◦ to 40◦ 2θ in continuous mode using step size and time of 0.02◦ and 5 s, respectively.
