Zhang, W., Sun, D., Zhao, X. et al. Microanalysis and preliminary pharmacokinetic studies of a sulfated polysaccharide from Laminaria japonica, ., Chin. J. Ocean. Limnol. 34, 177–185 (2016). https://doi.org/10.1007/s00343-015-4273-9
DOI:
Zhang, W., Sun, D., Zhao, X. et al. Microanalysis and preliminary pharmacokinetic studies of a sulfated polysaccharide from Laminaria japonica, ., Chin. J. Ocean. Limnol. 34, 177–185 (2016). https://doi.org/10.1007/s00343-015-4273-9DOI:
Microanalysis and preliminary pharmacokinetic studies of a sulfated polysaccharide from Laminaria japonica
摘要
Abstract
A rapid
sensitive and reproducible high performance liquid chromatography (HPLC) method with post-column fluorescence derivatization has been developed to determine the amount of low-molecular-weight sulfated polysaccharide (GFS) in vivo. The metabolism of GFS has been shown to fit a two component model following its administration by intravenous injection
and its pharmacokinetic parameters were determined to be as follows: half-time of distribution phase (t 1/2α)=11.24±2.93 min
half-time of elimination phase (t 1/2β)=98.20±25.78 min
maximum concentration (C max)=110.53 μg/mL and peak time (T max)=5 min. The pharmacokinetic behavior of GFS was also investigated following intragastric administration. However
the concentration of GFS found in serum was too low for detection
and GFS could only be detected for up to 2 h after intragastric administration (200 mg/kg body weight). Thus
the bioavailability of GFS was low following intragastric administration because of the metabolism of GFS. In conclusion
HPLC with postcolumn derivatization could be used for quantitative microanalysis and pharmacokinetic studies to determine the presence of polysaccharides in the serum following intravenous injection.
关键词
Keywords
references
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