Fecha de publicación: 14/12/2022 Fuente: WIPO Meat The invention is directed to a modified polysaccharide hydrogel, comprising a low molecular weight alginate with a specific M/G ratio. The modified polysaccharide is modified with a specific peptide, preferably comprising a cell-adhesion peptide. The modified polysaccharide hydrogel may be used as a hydrogel for the growth of cultured meat preferably as a sacrificial biopolymer.