Deuterium-NMR investigation of plant sterol effects on soybean phosphatidylcholine acyl chain ordering

作者: Marie-Anne Krajewski-Bertrand , Alain Milon , Marie-Andrée Hartmann

DOI: 10.1016/0009-3084(92)90039-R

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摘要: Abstract Various plant sterols have been tested for their ability to order soybean phosphatidylcholine bilayers as monitored by 2H-NMR spectroscopy. Sitosterol and 24ξ-methylpollinastanol, a 9β,19-cyclopropylsterol, appear be the most effective sterols. The presence of either trans-oriented double bond at C-22 in C-24 alkylated sterol side chain or Δ8(9) tetracyclic ring system is shown reduce significantly ordering efficiency molecule.

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