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HPLC-DAD profile of I. batatas aerial part ethyl acetate extract (IPA-EA) at different wavelengths. Signal 1: 257λ, Signal 2: 279λ, Signal 3: 325λ, Signal 4; 368λ. Conditions: mobile Phase A-ACN:MEOH:H2O:AA/5:10:85:1, mobile phase B-ACN:MEOH:AA/40:60:1, injection volume 20 μl, flow rate 1 ml/min, and agilent RP-C8.
