Using organic acids such as acetic and citric acid, chitin powder created from crab shells is finely grinded and leads to chitin nanofibers of 10~20 nm diameter. The product has shown promising effects in wound healing and as a food additive.
Nikkei Biotech news release, October 21, 2016
Tottori University venture Marin Nanofiber offers chitin nanofibers