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Studies Of Capsaicinoids Contents Of Locally Grown And Commercial Chilies Using Reversed-Phase High Performance Liquid Chromatography., John Kailemia Muchena
Studies Of Capsaicinoids Contents Of Locally Grown And Commercial Chilies Using Reversed-Phase High Performance Liquid Chromatography., John Kailemia Muchena
Electronic Theses and Dissertations
Capsaicinoids are a class of compounds responsible for the "heat" of hot peppers. Capsaicin and dihydrocapsaicin have the highest burning effect. The aim of this work is to separate and quantify the two major capsaicinoids in fruits harvested at different stages of development and at different seasons. Simple and rapid HPLC method involves 73:27% methanol water mobile phase with C18 stationary phase and UV-Vis detector set at 210 nm. The method showed good reproducibility with 1.74% - 4.72% relative standard deviations, a linear response within 0.65–45.5 and 0.25-17.5 μg/mL for capsaicin and dihydrocapsaicin, respectively. The method achieved average recovery …