title: Spermidine and flavonoid conjugates from peanut (Arachis hypogaea) flowers.
abstract: A new spermidine triamide derivative has been isolated from peanut flowers and identified as N (1)-acetyl- N (5), N (10)-di- p-( EE)-coumaroylspermidine on the basis of detailed analysis of NMR, MS, and UV data. Two other spermidine conjugates, N (1), N (5), N (10)-tri- p-( EEE)-coumaroylspermidine and di- p-( EE)-coumaroylspermidine, as well as four flavonoid conjugates (quercetin-3-glucoside, quercetin-3-glucuronide, isorhamnetin-3-glucoside, and isorhamnetin-3-glucuronide) that have been previously reported in organs of other plants, have been found in this study in peanut ( Arachis hypogaea L.), a representative of the Leguminosae family, for the first time. The dynamics of photoisomerization in the spermidine conjugates have been investigated.
authors.affiliation: National Peanut Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Dawson, Georgia 39842, USA. victor.vsobolev@ars.usda.gov
authors.forename: Victor S
authors.initials: VS
authors.lastname: Sobolev
authors.forename: Arlene A
authors.initials: AA
authors.lastname: Sy
authors.forename: James B
authors.initials: JB
authors.lastname: Gloer
mesh_terms: D010367:Arachis / Q000737:chemistry*; D003373:Coumaric Acids / Q000737:chemistry; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D044948:Flavonols / Q000737:chemistry; D035264:Flowers / Q000737:chemistry*; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010777:Photochemistry; D011422:Propionates; D011794:Quercetin / Q000737:chemistry / Q000031:analogs & derivatives; D013056:Spectrophotometry, Ultraviolet; D013095:Spermidine / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D003373:Coumaric Acids; D005419:Flavonoids; D044948:Flavonols; D011422:Propionates; C047368:3-methylquercetin; D011794:Quercetin; C495469:p-coumaric acid; D013095:Spermidine