Sasaki, Kazunori Effect of repeated harvesting on the content of caffeic acid and seven species of caffeoylquinic acids in sweet potato leaves. [electronic resource] - Bioscience, biotechnology, and biochemistry 2015 - 1308-14 p. digital Publication Type: Journal Article ISSN: 1347-6947 Standard No.: 10.1080/09168451.2015.1025032 doi Subjects--Topical Terms: Caffeic Acids--chemistryIpomoea batatas--chemistryPlant Extracts--chemistryPlant Leaves--chemistryQuinic Acid--analogs & derivatives