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Article in Chinese | WPRIM | ID: wpr-513341


An atmospheric pressure chemical ionization mass spectrometry (APCI-MS) method was developed for the direct analysis of triglycerides in edible oils.The edible oil sample was dissolved in acetonitrile.Under the optimal conditions such as positive ion detection,800 μL/h of sample flow rate,250℃ of vaporizer temperature and 5000 nA of corona needle current,the repeatability (RSD) of peak intensity rate of m/z 857.76 to m/z 881.76 was less than 5%.Then,different kinds of oil from different manufacturers were analyzed by the proposed method.After a principal component analysis for the analytical results,the peak intensity rate of m/z 857.76 and m/z 881.76 was selected for oil identification.The adulteration of 5% lard in corn oil could be recognized directly using the peak intensity rate.Three characteristic triglycerides in edible oil were preliminarily identified by collision induced dissociation (CID) experiments.The method was applied to analyze the swill oil and fried oil samples,and the results showed that the swill oil contained both vegetable oil and animal fat,and the fried oil was also different with commercial vegetable oil.

China Pharmacy ; (12): 4097-4098,4099, 2015.
Article in Chinese | WPRIM | ID: wpr-605408


OBJECTIVE:To observe clinical efficacy and safety of flupirtine maleate for pain caused by acute lumbar sprain. METHODS:60 patients with acute lumbar sprain were selected and divided into trial group and control group according to even and odd-numbered admission order. Trial group received flupirtine maleate capsule,1 piece/time,3 times/d;control group was giv-en codeine sustained-release tablet,2 tablets/time,2 times/d. The VAS score,clinical efficacy and ADR were compared between 2 groups. RESULTS:The VAS score of treatment group after treatment was significantly lower than that of control group,with statis-tical significance(t=2.375,P=0.013). The clinical efficacy of trial group was significantly higher than that of control group,with statistical significance (u=9.431,P=0.024). The ADR of trial group was mild,and there was no significant difference between two groups(χ2=0.131,P=0.717). CONCLUSIONS:Flupirtine maleate has a good clinical efficacy and safety in the treatment of pain caused by acute lumbar sprain.