Figure 4
From: Optimization of ultrasonic pretreatment and analysis of chlorogenic acid in potato leaves

UV spectrum (a) and fluorescence spectrum (b) of chlorogenic acid: curve 1 is chlorogenic acid standard; curve 2 is extraction.
From: Optimization of ultrasonic pretreatment and analysis of chlorogenic acid in potato leaves

UV spectrum (a) and fluorescence spectrum (b) of chlorogenic acid: curve 1 is chlorogenic acid standard; curve 2 is extraction.