Chlorogenic Acid Profiles and Antioxidant Potentials of 17 Sweet Potato Varieties Cultivated in Korea: Impact of Extraction Condition and Classification by Hierarchical Clustering Analysis Journal title: Journal of Food Chemistry and Nanotechnology Authors: Ji Su Park, Ja Won Woo, Gyu-Hwan Choi, Dong-Seong Choi, Mun Yhung Jung Subject(s):