title: Effects of x-rays on pectin studied by electron spin resonance.
mesh_terms: D004356:Drug Storage; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006851:Hydrochloric Acid / Q000032:analysis; D010368:Pectins / Q000032:analysis / Q000528:radiation effects*; D011830:Radiation Effects; D013696:Temperature; D013997:Time Factors; D014783:Viscosity; D014867:Water / Q000032:analysis
chemical_list: D005609:Free Radicals; D014867:Water; D010368:Pectins; D006851:Hydrochloric Acid