Fecha de publicación: -- Fuente: WIPO "tomato" Compositions are disclosed herein comprising an ester derivative of a glucan, wherein the glucan has a degree of substitution (DoS) up to about 3.0 with at least two organic groups that are individually ester-linked to the glucan, wherein (i) at least one of the organic groups is a cationic organic group, and (ii) at least one of the organic groups is a hydrophobic organic group. Methods are further disclosed for preparing these compositions, as well as various applications of using them.