pilzzellwandmaterial with flockungseigenschaften and its manufacture method

摘要

The invention relates to fungal cell wall material containing hexosamine and exhibiting a positive Zeta-potential at a pH value of 7 when disintegrated to a particle size less than 20 mu m. The fungal cell wall material may be derived from a fungus selected from the phylum Zygomycota or the phylum Dikaryomycota. The fungal cell wall material is manufactured by a process including a) physical disintegration and/or delipidation with an organic solvent, and b) de-proteinization and depletion from nucleic acid by alkali treatment and/or by treatment with an enzyme. The fungus material may be used in processes to recover or remove negatively charged products such as proteins, nucleic acid or microbial cells from water based media. It may also be used as a biological carrier to immobilize enzymes and cells.