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Isolation of quinolone alkaloids from Tetradium ruticarpum via preparative high-speed counter-current chromatography and evaluation of their binding affinities for bovine serum albumin

Autorzy
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
By application of preparative high-speed counter-current chromatography (HSCCC) to the crude quinolone alkaloids (1.1 g) from the fruit of Tetradium ruticarpum, 1-methyl-2((6Z,9Z)-pentadecadienyl)-4(1H)-quinolone (1, 8.4 mg), dihydroevocarpine (2, 27.0 mg), and 1-methyl-2-pentadecyl-4(1H)-quinolone (3, 18.8 mg) were isolated in one step with sufficient purity using the solvent system composed of hexane–ethyl acetate–methanol–water (Hex–EtOAc–MeOH–H2O, 5:2:5:3). Further purification of the subfraction was performed by amending the solvent composition and achieved another three quinolone alkaloids, i.e., 1-methyl-2-undecylquinolin-4(1H)-one (4, 13.7 mg), (Z)-1-methyl-2-(tridec-5-en-1-yl) quinolin-4(1H)-one (5, 14.0 mg) from subfraction FR3-A3-85 using Hex–EtOAc–MeOH–H2O (5:3.5:8.75:8.25), and 1-methyl-2-nonylquinolin-4(1H)-one (6, 15.1 mg) from subfraction FR3-A3-36 using Hex–EtOAc–MeOH–H2O (5:3.8:5:4.8). The relationship between the structure of the six alkaloids and their affinities for bovine serum albumin (BSA) was investigated using fluorescence titration analysis. The length and the presence of double bond of the side chain affected their binding process with BSA. The binding behavior might influence their other biological activities.
Rocznik
Strony
73--80
Opis fizyczny
Bibliogr. 29 poz., rys., tab.
Twórcy
autor
  • College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, 201418, P. R. China
autor
  • College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, 201418, P. R. China
autor
  • College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, 201418, P. R. China
autor
  • College of Life and Environmental Sciences, Shanghai Normal University, Shanghai, 201418, P. R. China
  • Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, 830011, P. R. China
Bibliografia
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  • [8] Adams, M.; Kunert, O.; Haslinger, E.; Bauer, R. Planta Med. 2004, 70, 904.
  • [9] Tominaga, K.; Higuchi, K.; Hamasaki, N.; Hamaguchi, M.; Takashima, T.; Tanigawa, T.; Watanabe, T.; Fujiwara, Y.; Tezuka, Y.; Nagaoka, T.; Kadota, S.; Ishii, E.; Kobayashi, K.; Arakawa, T. J. Antimicrob. Chemother. 2002, 50, 547.
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Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-a4b6b854-1e66-4cef-a8a4-a8d555f75061
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