Abstract
Ulmus davidiana has been used as food or medicine in oriental due to its safety, including its roots, bark, and fruits. The roots and bark of Ulmus were used as a diuretic and for treatment due to their anti-cancer, antioxidant, and anti-inflammatory effects. Ulmus species are known to contain flavan-3-ols as their main component. In previous research the presence of (+)-catechin 5-O-β-D-apiofuranoside was isolated from the roots of Ulmus davidiana, and (+)-catechin 7-O-β-D-xylopyranoside was confirmed in the bark Ulmus Americana, and the presence of catechin 7-O-β-D apiofuranoside in the stems and bark of Ulmus davidiana var. japonica. The catechin-glycosides of flavan-3-ols have various effects, including antiulcer properties, and have also been used as analgesics. Additionally, chemotaxonomy studies of the Ulmus species have been reported. However, the chemotaxonomy of Ulmus species native to Asia has not been reported. In this study, we report the screening of catechin 7-O-beta-D apiofuranoside from various Ulmus species native to Asia. We confirmed the presence of catechin 7-O-β-D-apiofuranoside in a total of 22 Ulmus samples, including 18 Ulmus species native to China, and 1 sample each from Mongolian, Nicaragua, Vietnam, and Korea through HPLC and LC-MS/MS analysis. We also confirmed the content of the indicator materials. Therefore, the potential of using native Ulmus species from Korea as a natural material has been confirmed.
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