Nat Prod Sci.
2017 Dec;23(4):253-257. 10.20307/nps.2017.23.4.253.
Chemical Constituents of Nelumbo nucifera Seeds
- Affiliations
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- 1College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Korea. kdyoon@catholic.ac.kr
- KMID: 2401576
- DOI: http://doi.org/10.20307/nps.2017.23.4.253
Abstract
- The phytochemical study for the extract of Nelumbo nucifera (Nymphaceae) seeds has led to the isolation of ten compounds including five simple phenolic compounds, two indole derivatives, a flavonoid glycoside, two abscisic acid derivatives. The interpretation of 1D and 2D NMR and ESI-Q-TOF-MS spectroscopic data revealed the chemical structures of isolates to be p-hydroxybenzoic acid (1), protocatechuic acid (2), (E)-p-coumaric acid (3), (E)-ferulic acid (4), (E)-sinapate-4-O-β-D-glucopyranoside (5), tryptophan (6), 3-indoleacetic acid (7), isoschaftoside (8), dihydrophaseic acid (9), dihydrophaseic acid 3"²-O-β-D-glucopyranoside (10). To the best of our knowledge, 1 - 5 and 7 were identified for the first time from N. nucifera seeds, and the presence of dihydrophaseic acid (9) and its glucoside (10) were demonstrated secondly in this plant.
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