	US 11,891,459 B2
	Chitin, hydrolysate and method for the production of one or more desired products from insects by means of enzymatic hydrolysis
Nathalie Berezina, Paris (FR); Antoine Hubert, Alfortville (FR); Fabrice Berro, Paris (FR); Jean-Gabriel Levon, Paris (FR); Karine Le Roux, Milly la Foret (FR); Cecilia Socolsky, Paris (FR); Lorena Sanchez, Juvisy (FR); and Sophie Laurent, Paris (FR)
Assigned to YNSECT
Appl. No. 15/541,186
Filed by YNSECT, Evry (FR)
PCT Filed Dec. 30, 2015, PCT No. PCT/FR2015/053781 § 371(c)(1), (2) Date Jun. 30, 2017, PCT Pub. No. WO2016/108033, PCT Pub. Date Jul. 7, 2016.
Claims priority of application No. 1463512 (FR), filed on Dec. 31, 2014.
Prior Publication US 2018/0016357 A1, Jan. 18, 2018
Int. Cl. C08B 37/08 (2006.01); C12P 19/26 (2006.01); C08B 37/00 (2006.01); C08L 5/08 (2006.01); C12P 21/06 (2006.01); C07K 14/435 (2006.01)

CPC C08B 37/003 (2013.01) [C07K 14/43563 (2013.01); C08B 37/0003 (2013.01); C08L 5/08 (2013.01); C12P 19/26 (2013.01); C12P 21/06 (2013.01)]

10 Claims

1. A method for the production of chitin and/or chitosan and/or an hydrolysate from insects, comprising the following steps:

(i) grinding insect cuticles into particles such that at the end of grinding, the size of the particles is between 500 μm and 0.5 cm, and then

(ii) pressing the insect cuticles to obtain a press cake comprising an oil content less than or equal to 12%, and then

(iii) enzymatically hydrolyzing the press cake with a proteolytic enzyme, wherein said pressing removes a press juice comprising fat and wherein no second grinding step is performed.