Gary R Takeoka

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. ncbi request reprint Identification of benzethonium chloride in commercial grapefruit seed extracts
    G Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 49:3316-20. 2001
  2. ncbi request reprint Identification of benzalkonium chloride in commercial grapefruit seed extracts
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, US Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 53:7630-6. 2005
  3. ncbi request reprint Identification of three triterpenoids in almond hulls
    G Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 48:3437-9. 2000
  4. ncbi request reprint Antioxidant constituents of almond [Prunus dulcis (Mill.) D.A. Webb] hulls
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, CA 94710, USA
    J Agric Food Chem 51:496-501. 2003
  5. ncbi request reprint Delphinidin 3-O-(2-O-beta-D-Glucopyranosyl-alpha-l-arabinopyranoside): a novel anthocyanin identified in Beluga black lentils
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 53:4932-7. 2005
  6. doi request reprint Studies on the aroma of five fresh tomato cultivars and the precursors of cis- and trans-4,5-epoxy-(E)-2-decenals and methional
    Florian Mayer
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 56:3749-57. 2008
  7. ncbi request reprint Antioxidant activity and characterization of volatile constituents of Taheebo (Tabebuia impetiginosa Martius ex DC)
    Byeoung Soo Park
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 51:295-300. 2003
  8. ncbi request reprint Some unusual minor volatile components of tomato
    Ron G Buttery
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, CA 94710, USA
    J Agric Food Chem 52:6264-6. 2004
  9. doi request reprint Irregular sesquiterpenoids from Ligusticum grayi roots
    Laurence G Cool
    United States Department of Agriculture, Agricultural Research Service, 800 Buchanan St, Albany, CA 94710, USA
    Phytochemistry 71:1545-57. 2010

Collaborators

Detail Information

Publications9

  1. ncbi request reprint Identification of benzethonium chloride in commercial grapefruit seed extracts
    G Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 49:3316-20. 2001
    ..This compound comprised 8.03% (n = 2) of the liquid GSE sample. Higher amounts of benzethonium chloride were found in powder GSE samples...
  2. ncbi request reprint Identification of benzalkonium chloride in commercial grapefruit seed extracts
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, US Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 53:7630-6. 2005
    ..This mixture of homologues is commonly known as benzalkonium chloride, a widely used synthetic antimicrobial ingredient used in cleaning and disinfection agents...
  3. ncbi request reprint Identification of three triterpenoids in almond hulls
    G Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 48:3437-9. 2000
    ..These studies demonstrate that almond hulls are a rich source of these triterpenoids, which have reported anti-inflammatory, anti-HIV, and anti-cancer activities...
  4. ncbi request reprint Antioxidant constituents of almond [Prunus dulcis (Mill.) D.A. Webb] hulls
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, CA 94710, USA
    J Agric Food Chem 51:496-501. 2003
    ..The sterols (3beta,22E)-stigmasta-5,22-dien-3-ol (stigmasterol) and (3beta)-stigmast-5-en-3-ol (beta-sitosterol) (18.9 mg and 16.0 mg/100 g of almond hull, respectively) were identified by GC-MS of the silylated almond hull extract...
  5. ncbi request reprint Delphinidin 3-O-(2-O-beta-D-Glucopyranosyl-alpha-l-arabinopyranoside): a novel anthocyanin identified in Beluga black lentils
    Gary R Takeoka
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 53:4932-7. 2005
    ..By means of electrospray ionization mass spectrometry and one- and two-dimensional nuclear magnetic resonance spectroscopy, its structure was determined to be delphinidin 3-O-(2-O-beta-D-glucopyranosyl-alpha-l-arabinopyranoside)...
  6. doi request reprint Studies on the aroma of five fresh tomato cultivars and the precursors of cis- and trans-4,5-epoxy-(E)-2-decenals and methional
    Florian Mayer
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, 800 Buchanan Street, Albany, California 94710, USA
    J Agric Food Chem 56:3749-57. 2008
    ..To help elucidate formation pathways of key odorants, labeled precursors were added to tomatoes. Biogenesis of cis- and trans-4,5-epoxy-( E)-2-decenals from linoleic acid and methional from methionine was confirmed...
  7. ncbi request reprint Antioxidant activity and characterization of volatile constituents of Taheebo (Tabebuia impetiginosa Martius ex DC)
    Byeoung Soo Park
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, California 94710, USA
    J Agric Food Chem 51:295-300. 2003
    ..The antioxidative activity of T. impetiginosa volatiles was comparable with that of the well-known antioxidants, alpha-tocopherol, and butylated hydroxytoluene...
  8. ncbi request reprint Some unusual minor volatile components of tomato
    Ron G Buttery
    Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, CA 94710, USA
    J Agric Food Chem 52:6264-6. 2004
    ....
  9. doi request reprint Irregular sesquiterpenoids from Ligusticum grayi roots
    Laurence G Cool
    United States Department of Agriculture, Agricultural Research Service, 800 Buchanan St, Albany, CA 94710, USA
    Phytochemistry 71:1545-57. 2010
    ..Subsequent rearrangements--primarily methyl migrations--account for the remarkable variety of structures represented in L. grayi root oil...