期刊
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
卷 87, 期 6, 页码 615-620出版社
WILEY
DOI: 10.1007/s11746-010-1543-8
关键词
Rosmarinic acid fatty esters; Syntheses; NMR and mass spectrometry characterization; Radical scavenging properties; DPPH; Stationary state
资金
- European Union [E05D055786CO]
The hydrophobation of rosmarinic acid with saturated aliphatic primary alcohols of various chain lengths (methanol to eicosanol) was achieved via an acid-catalyzed esterification in the presence of a highly acidic sulfonic resin. The resulting alkyl rosmarinates were isolated, characterized and their global free radical scavenging activity was determined by the 2,2-diphenyl-1-picrylhydrazyl method in the stationary state. Only the dodecyl ester showed a stronger activity than rosmarinic acid.
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