Gary D Manners

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. ncbi request reprint Bioavailability of citrus limonoids in humans
    Gary D Manners
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 51:4156-61. 2003
  2. ncbi request reprint Citrus limonoids: analysis, bioactivity, and biomedical prospects
    Gary D Manners
    Agriculture Research Service, Western Regional Research Center, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 55:8285-94. 2007
  3. ncbi request reprint Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniques
    Gary D Manners
    United States Department of Agriculture, Agricultural Research Service, Western Regional Research Center, 800 Buchanan St Albany, CA 94710, USA
    Phytochem Anal 15:372-81. 2004
  4. ncbi request reprint Determination of limonoate and nomilinoate A-ring lactones in citrus juices by liquid chromatography-electrospray ionization mass spectrometry
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, CA 94710, USA
    J Chromatogr A 1064:187-91. 2005
  5. ncbi request reprint Isolation and characterization of limonoate and nomilinoate A-ring lactones
    Audrius A Zukas
    United States Department of Agriculture, Western Regional Research Center, Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710, USA
    Phytochemistry 65:2705-9. 2004
  6. ncbi request reprint Determination of limonin D-ring lactone hydrolase activity by solid phase extraction with indirect fluorescence detection
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 52:3772-5. 2004
  7. ncbi request reprint Evaluation of the antioxidant capacity of limonin, nomilin, and limonin glucoside
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 54:3827-31. 2006
  8. ncbi request reprint Analysis of bitter limonoids in citrus juices by atmospheric pressure chemical ionization and electrospray ionization liquid chromatography-mass spectrometry
    Gary D Manners
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan St, Albany, California 94710, USA
    J Agric Food Chem 51:3709-14. 2003

Collaborators

Detail Information

Publications8

  1. ncbi request reprint Bioavailability of citrus limonoids in humans
    Gary D Manners
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 51:4156-61. 2003
    ..13 nmol/L and is hypothesized to be a limonin epimer. Poststudy health evaluation established no ill effects among study subjects consuming high doses of limonin glucoside...
  2. ncbi request reprint Citrus limonoids: analysis, bioactivity, and biomedical prospects
    Gary D Manners
    Agriculture Research Service, Western Regional Research Center, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 55:8285-94. 2007
    ..This review chronicles the evolution of citrus limonoid research from defining their participation in citrus bitterness to their potential utilization as important contributors to improving human health and well-being...
  3. ncbi request reprint Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniques
    Gary D Manners
    United States Department of Agriculture, Agricultural Research Service, Western Regional Research Center, 800 Buchanan St Albany, CA 94710, USA
    Phytochem Anal 15:372-81. 2004
    ..The EI fragmentation patterns coupled with APCI-derived molecular weights were utilised as a potential method by which to discern the structural character of unknown citrus limonoids...
  4. ncbi request reprint Determination of limonoate and nomilinoate A-ring lactones in citrus juices by liquid chromatography-electrospray ionization mass spectrometry
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, CA 94710, USA
    J Chromatogr A 1064:187-91. 2005
    ..The limonoid A-ring lactones were isolated by solid-phase extraction from juice samples, analyzed by negative ion LC-ESI-MS and quantified utilizing the standard addition method...
  5. ncbi request reprint Isolation and characterization of limonoate and nomilinoate A-ring lactones
    Audrius A Zukas
    United States Department of Agriculture, Western Regional Research Center, Agricultural Research Service, 800 Buchanan Street, Albany, CA 94710, USA
    Phytochemistry 65:2705-9. 2004
    ..Potassium salts of limonoate A-ring lactone and nomilinoate A-ring lactone were isolated from young Chandler pummelo seedlings and characterized on the basis of proton and carbon NMR data...
  6. ncbi request reprint Determination of limonin D-ring lactone hydrolase activity by solid phase extraction with indirect fluorescence detection
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 52:3772-5. 2004
    ..The coupling of SPE with fluorescence detection allows for the simple and rapid analysis of samples...
  7. ncbi request reprint Evaluation of the antioxidant capacity of limonin, nomilin, and limonin glucoside
    Andrew P Breksa
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 54:3827-31. 2006
    ..Limonin glucoside was deemed not to be an antioxidant on the basis of the three unequivocal assays...
  8. ncbi request reprint Analysis of bitter limonoids in citrus juices by atmospheric pressure chemical ionization and electrospray ionization liquid chromatography-mass spectrometry
    Gary D Manners
    Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan St, Albany, California 94710, USA
    J Agric Food Chem 51:3709-14. 2003
    ..An accurate "total limonoid bitterness" in citrus juice, as represented by the combined occurrence of limonin and nomilin, is easily determined by these methods...