US 12,232,515 B2
Compositions and methods for polymer based shelf life extension
Adam M. Behrens, Cambridge, MA (US); Sezin Yigit, Arlington, MA (US); Laith M. Abu-Taleb, Washington, DC (US); Nadia S. Hallaj, Cambridge, MA (US); Colin D. Preston, Boston, MA (US); Samantha E. Roman, Cambridge, MA (US); and James L. Sugarman, Boston, MA (US)
Assigned to Cambridge Crops, Inc., Boston, MA (US)
Filed by CAMBRIDGE CROPS, INC., Somerville, MA (US)
Filed on Dec. 9, 2019, as Appl. No. 16/707,014.
Claims priority of provisional application 62/777,512, filed on Dec. 10, 2018.
Prior Publication US 2020/0178576 A1, Jun. 11, 2020
Int. Cl. A23B 4/20 (2006.01); A23B 4/10 (2006.01); A23B 7/154 (2006.01); A23B 7/16 (2006.01); A23L 3/3472 (2006.01)
CPC A23L 3/3472 (2013.01) [A23B 4/10 (2013.01); A23B 4/20 (2013.01); A23B 7/154 (2013.01); A23B 7/16 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A food composition comprising silk fibroin, wherein the silk fibroin is added to the food composition as a solution in which powdered silk fibroin has been reconstituted within a solvent; wherein
between 0.1-25% (weight/volume) of the solution is comprised of silk fibroin fragments;
between 1-10% of the silk fibroin fragments within the silk fibroin solution has a molecular weight of over 400 kDa; and
between 10-45% of the silk fibroin fragments within the silk fibroin solution has a molecular weight of over 300 kDa.