biopolymer chemistry 9 Biopolymers 8 Article 6 controlled study 4 nonhuman 4 pH 4 scanning electron microscopy 4 Starch 3 starch 3 viscosity 3 Chitosan 2 Emulsions 2 Escherichia coli 2 Fourier transform infrared spectroscopy 2 Methylcellulose 2 Pectins 2 Permeability 2 Plant Extracts 2 Proteins 2 Rheological properties 2 Steam 2 X ray diffraction 2 antimicrobial activity 2 article 2 chitosan 2 comparative study 2 concentration (parameter) 2 drug delivery system 2 emulsion 2