Mayo Clinic is a not-for-profit organization. Proceeds from website advertising help support our mission. Mayo Clinic does not endorse non-Mayo products and services. 1  Policy. 2  Opportunities.
Source(s): I eat 'em. Chitterlings / chitlin's are pig intestine and cracklin (or chicarones in Spanish) is fried pig skin with the fat and a bit of the skin on it. You see, there is 100% truth in the saying: You can everything but the oink. Genius Cook Â· 6 years ago.
Chitin, a Î²-1,4-linked polymer of N-acetylglucosamine, is one of the most abundant biopolymers in nature. It serves a structural role in arthropods, including crustaceans and insects, as well as mollusks, nematodes, and worms.