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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.
Chitosan is an aminopolysaccharide that binds metal ions through different mechanisms such as ion exchange, chelation or formation of ternary complex. The sorption performance depends on the characteristics of the solution (pH, presence of ligands, metal speciation) and the properties of the biopolymer (crystallinity, degree of deacetylation, molecular weight).