N-alpha,N-alpha,N-alpha-trimethyl-L-histidine catabolic process
n-alpha,n-alpha,n-alpha-trimethyl-l-histidine catabolic process
"The chemical reactions and pathways resulting in the breakdown of N-alpha,N-alpha,N-alpha-trimethyl-L-histidine, also known as histidine betaine or hercynine, a trimethylated derivative of histidine."