Victor S Sobolev

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. doi request reprint Production of Phytoalexins in Peanut ( Arachis hypogaea ) Seed Elicited by Selected Microorganisms
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Post Office Box 509, Dawson, Georgia 39842, United States
    J Agric Food Chem 61:1850-8. 2013
  2. ncbi request reprint Production of stilbenoids and phenolic acids by the peanut plant at early stages of growth
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 54:3505-11. 2006
  3. ncbi request reprint trans-resveratrol content in commercial peanuts and peanut products
    V S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, Dawson, Georgia 31742, USA
    J Agric Food Chem 47:1435-9. 1999
  4. ncbi request reprint Interrelationship of phytoalexin production and disease resistance in selected peanut genotypes
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 55:2195-200. 2007
  5. ncbi request reprint Simple, rapid, and inexpensive cleanup method for quantitation of aflatoxins in important agricultural products by HPLC
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 55:2136-41. 2007
  6. ncbi request reprint Prenylated stilbenes from peanut root mucilage
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Dawson, Georgia 39842, USA
    Phytochem Anal 17:312-22. 2006
  7. ncbi request reprint New peanut (Arachis hypogaea) phytoalexin with prenylated benzenoid and but-2-enolide moieties
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 54:2111-5. 2006
  8. ncbi request reprint Vanillin content in boiled peanuts
    V S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, 1011 Forrester Drive, Dawson, Georgia 31742, USA
    J Agric Food Chem 49:3725-7. 2001
  9. ncbi request reprint Cleanup procedure for determination of aflatoxins in major agricultural commodities by liquid chromatography
    Victor S Sobolev
    US Department of Agriculture, Agriculture Research Service, National Peanut Research Laboratory, Dawson, GA 31742, USA
    J AOAC Int 85:642-5. 2002
  10. ncbi request reprint Determination of ionization constant (pKa) and octanol-water partition coefficient (Log P) of cyclopiazonic acid
    Victor S Sobolev
    U S Department of Agriculture, Agricultural Research Service, National Peanut Research Laboratory, P O Box 509, Dawson, GA 39842, USA
    J AOAC Int 88:1367-70. 2005

Detail Information

Publications16

  1. doi request reprint Production of Phytoalexins in Peanut ( Arachis hypogaea ) Seed Elicited by Selected Microorganisms
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Post Office Box 509, Dawson, Georgia 39842, United States
    J Agric Food Chem 61:1850-8. 2013
    ..Embryos demonstrated significantly higher production of stilbenoids compared to cotyledons and may serve as a convenient source of genetic material in isolating genes for peanut plant defense enhancement...
  2. ncbi request reprint Production of stilbenoids and phenolic acids by the peanut plant at early stages of growth
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 54:3505-11. 2006
    ..These findings may lead to a better understanding of the defensive role of peanut stilbenes and phenolic acids...
  3. ncbi request reprint trans-resveratrol content in commercial peanuts and peanut products
    V S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, Dawson, Georgia 31742, USA
    J Agric Food Chem 47:1435-9. 1999
    ..138 +/- 2.849 microg/g (n = 12). Resveratrol content in commercial peanut products was similar to the resveratrol content of the raw peanut fractions routinely used for making them...
  4. ncbi request reprint Interrelationship of phytoalexin production and disease resistance in selected peanut genotypes
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 55:2195-200. 2007
    ..Stilbene phytoalexins may be considered potential chemical markers in breeding programs for disease-resistant peanuts...
  5. ncbi request reprint Simple, rapid, and inexpensive cleanup method for quantitation of aflatoxins in important agricultural products by HPLC
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 55:2136-41. 2007
    ..The quantitation limits for aflatoxins in peanuts were 50 pg/g for aflatoxin B1 and 17 pg/g for aflatoxin B2. The minimal cost of the minicolumn allows for substantial savings compared with available commercial aflatoxin cleanup devices...
  6. ncbi request reprint Prenylated stilbenes from peanut root mucilage
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Dawson, Georgia 39842, USA
    Phytochem Anal 17:312-22. 2006
    ..The large body of literature on the anti-microbial properties of plant-derived stilbenes suggests that compounds detected in peanut mucilage may play a role in regulating root-soil pathogen interactions...
  7. ncbi request reprint New peanut (Arachis hypogaea) phytoalexin with prenylated benzenoid and but-2-enolide moieties
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, P O Box 509, Dawson, Georgia 39842, USA
    J Agric Food Chem 54:2111-5. 2006
    ..SB-1 production often exceeds production of major known stilbenes...
  8. ncbi request reprint Vanillin content in boiled peanuts
    V S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, 1011 Forrester Drive, Dawson, Georgia 31742, USA
    J Agric Food Chem 49:3725-7. 2001
    ..Since vanillin has a low flavor threshold, it could be considered as one of the major ingredients that determines the flavor of boiled peanuts...
  9. ncbi request reprint Cleanup procedure for determination of aflatoxins in major agricultural commodities by liquid chromatography
    Victor S Sobolev
    US Department of Agriculture, Agriculture Research Service, National Peanut Research Laboratory, Dawson, GA 31742, USA
    J AOAC Int 85:642-5. 2002
    ..The quantitation limit for aflatoxin B1 was 1 microg/kg. The minimal cost of the minicolumn allows for substantial savings compared with available commercial aflatoxin cleanup devices...
  10. ncbi request reprint Determination of ionization constant (pKa) and octanol-water partition coefficient (Log P) of cyclopiazonic acid
    Victor S Sobolev
    U S Department of Agriculture, Agricultural Research Service, National Peanut Research Laboratory, P O Box 509, Dawson, GA 39842, USA
    J AOAC Int 88:1367-70. 2005
    ..Under the experimental conditions, pKa of CPA = 2.97 +/- 0.09, log P = 3.83 +/- 0.10, and log D at pH 7.4 = -0.58...
  11. pmc Biological activity of peanut (Arachis hypogaea) phytoalexins and selected natural and synthetic Stilbenoids
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, United States Department of Agriculture, Dawson, Georgia 39842, United States
    J Agric Food Chem 59:1673-82. 2011
    ..The results of these studies reveal that peanut stilbenoids, as well as related natural and synthetic stilbene derivatives, display a diverse range of biological activities...
  12. doi request reprint New dimeric stilbenoids from fungal-challenged peanut ( Arachis hypogaea) seeds
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, US Department of Agriculture, Dawson, Georgia 39842, USA
    J Agric Food Chem 58:875-81. 2010
    ..Together with other known peanut stilbenoids that were also produced in the challenged seeds, these new compounds may play a defensive role against invasive fungi...
  13. doi request reprint New stilbenoids from peanut ( Arachis hypogaea ) seeds challenged by an Aspergillus caelatus strain
    Victor S Sobolev
    US Department of Agriculture, National Peanut Research Laboratory, Agricultural Research Service, Dawson, Georgia 39842, USA
    J Agric Food Chem 57:62-8. 2009
    ..Together with other known peanut stilbenoids that were also produced in the challenged seeds, these new compounds may play a defensive role against invasive fungi...
  14. doi request reprint Pterocarpenes elicited by Aspergillus caelatus in peanut (Arachis hypogaea) seeds
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, US Department of Agriculture, Dawson, GA 39842, USA
    Phytochemistry 71:2099-107. 2010
    ..Together with peanut stilbenoids that are also produced in the challenged seeds, these compounds may represent a class of low-molecular weight peanut metabolites with a defensive role(s) against pathogenic microorganisms...
  15. doi request reprint Localized production of phytoalexins by peanut (Arachis hypogaea) kernels in response to invasion by Aspergillus species
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, Dawson, GA 39842, USA
    J Agric Food Chem 56:1949-54. 2008
    ..No association was observed between phytoalexin production and toxigenic potential of fungal strains that elicited the production in mature peanut kernels...
  16. doi request reprint Spermidine and flavonoid conjugates from peanut (Arachis hypogaea) flowers
    Victor S Sobolev
    National Peanut Research Laboratory, Agricultural Research Service, U S Department of Agriculture, Dawson, Georgia 39842, USA
    J Agric Food Chem 56:2960-9. 2008
    ..a representative of the Leguminosae family, for the first time. The dynamics of photoisomerization in the spermidine conjugates have been investigated...