Preparation of Standard Stock Solution. Pure capsaicin or dihydrocapsaicin was weighed and dissolved in acetonitrile up to 2.0mL to get the stock solution of 2mg/mL.
Preparation of Standard Stock Solution. Pure capsaicin or dihydrocapsaicin was weighed and dissolved in acetonitrileup to 2.0mL to get the stock solution of 2mg/mL. The solution was then filtered with 0.45