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“ Piperine produced SIR under conditions of both self‐ and cross‐desensitization with capsaicin , whereas recovery failed to materialize with zingerone.”
Biological & pharmaceutical bulletin • 2010 | View Paper
“ Piperine inhibited the vagally mediated contractions in esophagi of adult mice neonatally injected with capsaicin , while capsaicin failed to do so.”
European journal of pharmacology • 2007 | View Paper
“The activity of N-demethylase essentially remained unaffected by dietary curcumin, capsaicin , or their combination, but was significantly lowered as a result of piperine feeding.”
Canadian journal of physiology and pharmacology • 2006 | View Paper
“Piperine inhibited vagally evoked contractions, while capsaicin and NG‐nitro‐L‐arginine methyl ester (L‐NAME) abolished the inhibitory effect of piperine.”
“Moreover, cross-tachyphylaxis between piperine and capsaicin was observed, suggesting that a similar mechanism may be involved in the effects of these agents.”