Research Topics
| Gary D MannersSummaryAffiliation: Agricultural Research Service Country: USA Publications
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Detail Information
Publications
Bioavailability of citrus limonoids in humansGary 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...
Citrus limonoids: analysis, bioactivity, and biomedical prospectsGary 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...
Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniquesGary 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...
Determination of limonoate and nomilinoate A-ring lactones in citrus juices by liquid chromatography-electrospray ionization mass spectrometryAndrew 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...
Isolation and characterization of limonoate and nomilinoate A-ring lactonesAudrius 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...
Determination of limonin D-ring lactone hydrolase activity by solid phase extraction with indirect fluorescence detectionAndrew 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...
Evaluation of the antioxidant capacity of limonin, nomilin, and limonin glucosideAndrew 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...
Analysis of bitter limonoids in citrus juices by atmospheric pressure chemical ionization and electrospray ionization liquid chromatography-mass spectrometryGary 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...
