Transport of nitrogen gas in glassy maltodextrins

► Sorption and diffusion of nitrogen in glassy dry maltodextrins. ► Meares model analysis of positron annihilation data in glassy maltodextrins. ► Transition state theory for diffusion in carbohydrate matrices. ► Kirchheim model for gas sorption in glassy carbohydrates. ► Gas sorption isotherms of nitrogen in maltodextrins.