What portion(s) of a whole grain is/are susceptible to spoilage?

Germ or embryo is the smallest portion of the grain, and the embryo for a future plant found at the base of the whole grain or kernel that accounts for 2.5 percent of the grains weight. It is very rich in fat, vitamins, minerals, incomplete protein and an excellent source of B vitamins and vitamin E which is collected and sold separately and makes the whole grains susceptible to spoilage.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass