Mark C Roman

Summary

Publications

  1. pmc Determination of synephrine in bitter orange raw materials, extracts, and dietary supplements by liquid chromatography with ultraviolet detection: single-laboratory validation
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 90:68-81. 2007
  2. pmc Determination of ephedra alkaloids in urine and plasma by HPLC-UV: collaborative study
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 87:15-24. 2004
  3. pmc Determination of ephedrine alkaloids in botanicals and dietary supplements by HPLC-UV: collaborative study
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 87:1-14. 2004
  4. pmc Determination of hydrastine and berberine in goldenseal raw materials, extracts, and dietary supplements by high-performance liquid chromatography with UV: collaborative study
    Paula N Brown
    Natural Health Products Research Group, Technology Centre and School of Health Sciences, British Columbia Institute of Technology, 3700 Willingdon Ave, Bumaby, BC, Canada
    J AOAC Int 91:694-701. 2008

Detail Information

Publications4

  1. pmc Determination of synephrine in bitter orange raw materials, extracts, and dietary supplements by liquid chromatography with ultraviolet detection: single-laboratory validation
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 90:68-81. 2007
    ..Recoveries of the minor components ranged from 99.1 to 103% at approximately 6000 microg/g spike level, to 90.7 to 120% at 300 microg/g spike level...
  2. pmc Determination of ephedra alkaloids in urine and plasma by HPLC-UV: collaborative study
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 87:15-24. 2004
    ..On the basis of these results, the HPLC-UV method for the determination of ephedra alkaloids in human urine and plasma is not recommended for adoption as Official First Action...
  3. pmc Determination of ephedrine alkaloids in botanicals and dietary supplements by HPLC-UV: collaborative study
    Mark C Roman
    ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760, USA
    J AOAC Int 87:1-14. 2004
    ..69-3.23, exclusive of the results from the high protein drink). On the basis of these results, the method is recommended for Official First Action for determination of EP and PS in dietary supplements exclusive of the high protein drinks...
  4. pmc Determination of hydrastine and berberine in goldenseal raw materials, extracts, and dietary supplements by high-performance liquid chromatography with UV: collaborative study
    Paula N Brown
    Natural Health Products Research Group, Technology Centre and School of Health Sciences, British Columbia Institute of Technology, 3700 Willingdon Ave, Bumaby, BC, Canada
    J AOAC Int 91:694-701. 2008
    ....