Patent ID: 11891459
Assignee: YNSECT
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 9:
10. A method for the production of chitosan from insect cuticles, comprising the following steps:
a) killing the insects,
b) grinding the insects into particles such that at the end of grinding, the size of the particles is between 500 μm and 0.5 cm,
c) pressing the insects to obtain a press cake comprising an oil content less than or equal to 12%,
d) enzymatically hydrolyzing the insect cuticlespress cake with a protease,
e) recovering the chitin,
f) deacetylating the recovered chitin recoveredto produce chitosan, and
g) recovering the chitosan,, wherein said pressing removes a press juice comprising fat and wherein no second grinding step is performed.