Patent ID: 11878082
Assignee: CHENGDU BANGJIALEJUN BIOTECHNOLOGY CO., LTD
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  Y | IPC A

Claim 4:
5. An encapsulating layer, comprising a nano-film for encapsulating probiotics, the nano-film comprising two layers, wherein a first layer is formed through biological macromolecules and metal ions on surfaces of the cell walls of probiotics of the probiotics solution by either covalent cross-linking or metal chelating action in situ, and a second layer is formed by interactions between a bio-enzyme and the biological macromolecules;
wherein the bio-enzyme is selected from the group consisting of β-galactosidase, amylopsin, α-glucosaccharase, β-glucosaccharase, pancreatic lipase, trypsin, cellulase and combinations thereof; wherein the metal ions are selected from the group consisting of cations of Al, Fe, Zn, Mn, Ni, Co, V, and combinations thereof;
wherein the biological molecules are selected from the group consisting of polyphenol, dopamine, dopamine derivatives, polysaccharide biomass at any proportion, and combinations thereof.