Cell wall composition 4 Alkylation 2 Aqueous extraction 2 Average molecular weight 2 Boiling water 2 Cell Wall 2 Chromatography, Gel 2 Cyttaria harioti Fischer 2 Degree of methylations 2 Developmental stage 2 Extraction time 2 Flow behavior 2 Flow behaviors 2 Fruit 2 High viscosities 2 Hot water 2 Japanese plum 2 Molecular weight 2 Pectins 2 Plant Extracts 2 Prunus 2 Prunus domestica 2 Prunus salicina 2 Rheological characteristics 2 Rheology 2 Room temperature 2 Solvent extraction 2 Temperature 2 Time Factors 2 Viscosity 2