ANALYTICAL LETTERS, vol.32, no.14, pp.2841-2849, 1999 (SCI-Expanded)
Some phenolic acids from the flowers of Delphinium formosum have been determined quantitatively by reversed-phase high-performance liquid chromatography with diode-array detection. A comparative study was performed by extracting the following phenolic acids: p-hydroxy benzoic, p-coumaric, caffeic, protocatechuic and vanillic acids with four different methods, The results were supported with recovery studies.