Kernels and pieces of kernels that are distinctly indented, immature or shrunken, or discolored as a result of frost.
Illustration shows from left to right:
Kernel A: The
minimum degree of indentation for distinctly
indented.
Kernel B: The
minimum degree of discoloration for discolored
(green, brown or black).
NOTE: Injuried-By-Frost (IBF) is a malting factor only and does not function as damage or against sound barley. Malting barley may not contain more than 1.9% IBF damage.