Single-laboratory validation for the determination of caffeic acid and seven caffeoylquinic acids in sweet potato leaves.A single-laboratory validation study was conducted on an HPLC method for the detection and quantification of caffeic acid (CA) and seven species of caffeoylquinic acids (CQAs) in lyophilized sweet potato leaves.  The procedure for extraction of the analytes from the matrix and the HPLC conditions for the efficient separation of CA and CQAs were optimized. 
HPLC
Single-laboratory validation for the determination of caffeic acid and seven caffeoylquinic acids in sweet potato leaves.A single-laboratory validation study was conducted on an HPLC method for the detection and quantification of caffeic acid (CA) and seven species of caffeoylquinic acids (CQAs) in lyophilized sweet potato leaves.  The procedure for extraction of the analytes from the matrix and the HPLC conditions for the efficient separation of CA and CQAs were optimized. 
HPLC
Single-laboratory validation for the determination of caffeic acid and seven caffeoylquinic acids in sweet potato leaves.A single-laboratory validation study was conducted on an HPLC method for the detection and quantification of caffeic acid (CA) and seven species of caffeoylquinic acids (CQAs) in lyophilized sweet potato leaves.  The procedure for extraction of the analytes from the matrix and the HPLC conditions for the efficient separation of CA and CQAs were optimized. 
HPLC