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U.S. Department of Health and Human Services

GRAS Notices

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GRN No. 930

Silk fibroin derived from Bombyx mori cocoons

Intended Use: Intended for use as a coating to preserve fruits, vegetables, fish, cheeses, and candy at levels up to 880 mg silk fibroin per kg of food.
Basis: Scientific procedures
Notifier: Cambridge Crops, Inc.
Notifier Address: 444 Somerville Avenue
Somerville, MA 02143
GRAS Notice (releasable information): GRN 930 part 1 (18 MB)
  Part 2: GRN 930 part 2 (4.5 MB)
  Part 3: GRN 930 with amendments part 3 (6.8 MB)
Date of closure: May 25, 2021
FDA's Letter: At the notifier's request, FDA ceased to evaluate this notice (in PDF) (128 kB)