These included: lysine methylations on the C-terminus of the sequence or detected in peptides with acidic residues (possible artifacts of methyl esterification of the carboxylic group) and peptides with deamidation on the C-terminal arginine (tryptic cleavage after a deamidated residue have been lately proven as a highly unlikely event 41 ).

The orders of limiting amino acids in pig and broiler feeds, composed of corn (or wheat) and soybean meal, are summarized in Desk 2.

In the interim, pay attention to the desk to the right and choose foods which can be excessive in L-Carnitine or comprise the constructing blocks to make L-Carnitine