TY - JOUR T1 - [Analysis of paeonol in Paeonia suffruticosa Andr. and its patent preparations by supercritical fluid extraction and capillary gas chromatography]. AU - Miao,H J, AU - Liu,Z L, AU - Li,Y H, PY - 2001/10/13/pubmed PY - 2001/11/3/medline PY - 2001/10/13/entrez SP - 928 EP - 30 JF - Yao xue xue bao = Acta pharmaceutica Sinica JO - Yao Xue Xue Bao VL - 32 IS - 12 N2 - A supercritical fluid extraction (SFE) method was developed for the extraction of paeonol in Paeonia suffruticosa Andr. and its patent preparations. A systematic method was used to optimize five variables (temperature, pressure, modifier concentration, static extracting time and CO2 dynamic extracting volume) of SFE. Sample extracts were analyzed by wide-bore capillary gas chromatography (CGC). The method showed good linearity (gamma = 0.9999) in the range of 0.1-1.6 mg.ml-1 of paeonol. The average recovery was 97.8% with RSD = 2.35% (n = 3) for Paeonia suffruticosa andr., 100.3% with RSD = 1.89% (n = 3) for its patent preparations. SN - 0513-4870 UR - https://www.unboundmedicine.com/medline/citation/11596191/[Analysis_of_paeonol_in_Paeonia_suffruticosa_Andr__and_its_patent_preparations_by_supercritical_fluid_extraction_and_capillary_gas_chromatography]_ DB - PRIME DP - Unbound Medicine ER -