can't read?
Inulins are a group of naturally occurring polysaccharides produced by many types of plants, industrially most often extracted from chicory.
I 3789 (OTTO) Insulin, from porcine pancreas powder, ≥27 USP units/mg Cas 12584-58-6 - used to check the reduction ability of the Escherichia coli thiol disulfide exchange proteins (DsbA, DsbC, DsbG) towards insulin.