Dietmar E Breithaupt

Summary

Affiliation: University of Hohenheim
Country: Germany

Publications

  1. ncbi request reprint Detection of unusual carotenoid esters in fresh mango (Mangifera indica L. cv. 'Kent')
    Isabell Pott
    Institute for Agricultural Engineering in the Tropics and Subtropics, Hohenheim University, Garbenstrasse 9, D 70599 Stuttgart, Germany
    Phytochemistry 64:825-9. 2003
  2. ncbi request reprint Photoinduced addition of the fungicide anilazine to cyclohexene and methyl oleate as model compounds of plant cuticle constituents
    D E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Stuttgart, Germany
    Chemosphere 41:1401-6. 2000
  3. ncbi request reprint Identification and quantification of astaxanthin esters in shrimp (Pandalus borealis) and in a microalga (Haematococcus pluvialis) by liquid chromatography-mass spectrometry using negative ion atmospheric pressure chemical ionization
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 52:3870-5. 2004
  4. ncbi request reprint Comparison of plasma responses in human subjects after the ingestion of 3R,3R'-zeaxanthin dipalmitate from wolfberry (Lycium barbarum) and non-esterified 3R,3R'-zeaxanthin using chiral high-performance liquid chromatography
    Dietmar E Breithaupt
    Institute for Food Chemistry, University of Hohenheim, Garbenstrasse 28, 70593 Stuttgart, Germany
    Br J Nutr 91:707-13. 2004
  5. ncbi request reprint Comparison of the absorption efficiency of alpha- and beta-cryptoxanthin in female Wistar rats
    Dietmar E Breithaupt
    University of Hohenheim, Institute of Food Chemistry, Garbenstrasse 28, 70593 Stuttgart, Germany
    Br J Nutr 97:329-36. 2007
  6. ncbi request reprint Plasma response to a single dose of dietary beta-cryptoxanthin esters from papaya (Carica papaya L.) or non-esterified beta-cryptoxanthin in adult human subjects: a comparative study
    Dietmar E Breithaupt
    Institute of Food Chemistry, University of Hohenheim, Garbenstr 28, 70593 Stuttgart, Germany
    Br J Nutr 90:795-801. 2003
  7. ncbi request reprint Quantification of carotenoids in chicken plasma after feeding free or esterified lutein and capsanthin using high-performance liquid chromatography and liquid chromatography-mass spectrometry analysis
    D E Breithaupt
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstr 28, D 70599 Stuttgart, Germany
    Poult Sci 82:395-401. 2003
  8. ncbi request reprint Carotenoids and carotenoid esters in potatoes (Solanum tuberosum L.): new insights into an ancient vegetable
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70593 Stuttgart, Germany
    J Agric Food Chem 50:7175-81. 2002
  9. ncbi request reprint Carotenol fatty acid esters: easy substrates for digestive enzymes?
    Dietmar E Breithaupt
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstr 28, 70593, Stuttgart, Germany
    Comp Biochem Physiol B Biochem Mol Biol 132:721-8. 2002
  10. ncbi request reprint Differentiation between lutein monoester regioisomers and detection of lutein diesters from marigold flowers (Tagetes erecta L.) and several fruits by liquid chromatography-mass spectrometry
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 50:66-70. 2002

Collaborators

Detail Information

Publications19

  1. ncbi request reprint Detection of unusual carotenoid esters in fresh mango (Mangifera indica L. cv. 'Kent')
    Isabell Pott
    Institute for Agricultural Engineering in the Tropics and Subtropics, Hohenheim University, Garbenstrasse 9, D 70599 Stuttgart, Germany
    Phytochemistry 64:825-9. 2003
    ..Additionally, further carotenoid peaks were tentatively assigned to 9-cis-violaxanthin and neochrom or luteoxanthin, respectively, by their UV/vis and MS data of the saponified extracts...
  2. ncbi request reprint Photoinduced addition of the fungicide anilazine to cyclohexene and methyl oleate as model compounds of plant cuticle constituents
    D E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Stuttgart, Germany
    Chemosphere 41:1401-6. 2000
    ..Photoproducts were isolated by preparative HPLC and analyzed by HPLC, MS, 1H-, and 13C-NMR...
  3. ncbi request reprint Identification and quantification of astaxanthin esters in shrimp (Pandalus borealis) and in a microalga (Haematococcus pluvialis) by liquid chromatography-mass spectrometry using negative ion atmospheric pressure chemical ionization
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 52:3870-5. 2004
    ..Application of the presented LC-(APCI)MS technique in common astaxanthin ester analysis will forestall erroneous xanthophyll ester assignment in natural sources...
  4. ncbi request reprint Comparison of plasma responses in human subjects after the ingestion of 3R,3R'-zeaxanthin dipalmitate from wolfberry (Lycium barbarum) and non-esterified 3R,3R'-zeaxanthin using chiral high-performance liquid chromatography
    Dietmar E Breithaupt
    Institute for Food Chemistry, University of Hohenheim, Garbenstrasse 28, 70593 Stuttgart, Germany
    Br J Nutr 91:707-13. 2004
    ..05). Thus, the study indicates an enhanced bioavailability of 3R,3'R-zeaxanthin dipalmitate compared with the non-esterified form. The formation of meso-zeaxanthin was not observed during the time period studied...
  5. ncbi request reprint Comparison of the absorption efficiency of alpha- and beta-cryptoxanthin in female Wistar rats
    Dietmar E Breithaupt
    University of Hohenheim, Institute of Food Chemistry, Garbenstrasse 28, 70593 Stuttgart, Germany
    Br J Nutr 97:329-36. 2007
    ..Plasma samples were free of xanthophylls. This is the first report proving that beta-cryptoxanthin has a higher absorption efficiency than alpha-cryptoxanthin in rats, at least from a minimally processed oil-based xanthophyll supplement...
  6. ncbi request reprint Plasma response to a single dose of dietary beta-cryptoxanthin esters from papaya (Carica papaya L.) or non-esterified beta-cryptoxanthin in adult human subjects: a comparative study
    Dietmar E Breithaupt
    Institute of Food Chemistry, University of Hohenheim, Garbenstr 28, 70593 Stuttgart, Germany
    Br J Nutr 90:795-801. 2003
    ..The results support the existence of an effective enzymatic cleavage system accepting various beta-cryptoxanthin esters...
  7. ncbi request reprint Quantification of carotenoids in chicken plasma after feeding free or esterified lutein and capsanthin using high-performance liquid chromatography and liquid chromatography-mass spectrometry analysis
    D E Breithaupt
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstr 28, D 70599 Stuttgart, Germany
    Poult Sci 82:395-401. 2003
    ..Quantitative analysis showed comparable concentrations of plasma lutein and capsanthin, respectively, no matter if free or esterified carotenoids were fed...
  8. ncbi request reprint Carotenoids and carotenoid esters in potatoes (Solanum tuberosum L.): new insights into an ancient vegetable
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70593 Stuttgart, Germany
    J Agric Food Chem 50:7175-81. 2002
    ..Although the unequivocal identification of all parent carotenoids was not possible, the cleanup procedure proved to be highly efficient for LC(APCI)-MS analyses of very low amounts of carotenoid esters...
  9. ncbi request reprint Carotenol fatty acid esters: easy substrates for digestive enzymes?
    Dietmar E Breithaupt
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstr 28, 70593, Stuttgart, Germany
    Comp Biochem Physiol B Biochem Mol Biol 132:721-8. 2002
    ..Furthermore, these studies provide deeper insight into carotenoid ester bioaccessibility...
  10. ncbi request reprint Differentiation between lutein monoester regioisomers and detection of lutein diesters from marigold flowers (Tagetes erecta L.) and several fruits by liquid chromatography-mass spectrometry
    Dietmar E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 50:66-70. 2002
    ..The limit of detection was estimated at 0.5 microg/mL with lutein dimyristate as reference compound. This method provides a useful tool to obtain further insight into the biochemical reactions leading to lutein ester formation in plants...
  11. ncbi request reprint Carotenoid esters in vegetables and fruits: a screening with emphasis on beta-cryptoxanthin esters
    D E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Garbenstrasse 28, D 70593 Stuttgart, Germany
    J Agric Food Chem 49:2064-70. 2001
    ..The contents ranged from 8 microg/100 g beta-cryptoxanthin laurate in Tunisian orange to 892 microg/100 g beta-cryptoxanthin laurate in papaya...
  12. ncbi request reprint Enzymatic hydrolysis of carotenoid fatty acid esters of red pepper (Capsicum annuum L.) by a lipase from Candida rugosa
    D E Breithaupt
    Institut fur Lebensmittelchemie, Universitat Hohenheim, Stuttgart, Germany
    Z Naturforsch C 55:971-5. 2000
    ..Replacement of the generally performed alkaline hydrolysis by enzymatic cleavage allows the resulting product to be used in food industry as "natural" coloring agent e.g. to colour cheese and jellies...
  13. ncbi request reprint Identification and quantification of zeaxanthin esters in plants using liquid chromatography-mass spectrometry
    Philipp Weller
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 51:7044-9. 2003
    ..The present LC-MS method allows for an even more detailed analysis of zeaxanthin esters than reported previously...
  14. ncbi request reprint Plasma responses in human subjects after ingestions of multiple doses of natural alpha-cryptoxanthin: a pilot study
    Jörg Schlatterer
    Institute of Food Chemistry, University of Hohenheim, Garbenstrasse 28, 70593 Stuttgart, Germany
    Br J Nutr 96:371-6. 2006
    ..077 to 0.160 micromol/l. These results suggest a high intestinal absorption and an enrichment of alpha-cryptoxanthin in the plasma even from a minimally formulated cellulose-based supplement...
  15. ncbi request reprint Quantification of 3R,3'R-zeaxanthin in plant derived food by a diastereomeric dilution assay applying chiral high-performance liquid chromatography
    Jörg Schlatterer
    University of Hohenheim, Institute of Food Chemistry, Garbenstrasse 28, 70599 Stuttgart, Germany
    J Chromatogr A 1137:216-22. 2006
    ..7%). To prove the applicability of DIDA, various plant materials were analyzed, showing that DIDA is highly advisable if saponification is applied during work-up to hydrolyze xanthophyll esters...
  16. ncbi request reprint Xanthophylls in commercial egg yolks: quantification and identification by HPLC and LC-(APCI)MS using a C30 phase
    Jörg Schlatterer
    University of Hohenheim, Institute of Food Chemistry, Garbenstrasse 28, 70599 Stuttgart, Germany
    J Agric Food Chem 54:2267-73. 2006
    ..Detailed knowledge about the xanthophyll amounts in eggs is indispensable to calculate the human uptake...
  17. ncbi request reprint Cryptoxanthin structural isomers in oranges, orange juice, and other fruits
    Jörg Schlatterer
    Universitat Hohenheim, Institut fur Lebensmittelchemie, Garbenstrasse 28, D 70599 Stuttgart, Germany
    J Agric Food Chem 53:6355-61. 2005
    ..Knowledge of acylated cryptoxanthin isomers may be important in the evaluation of the bioavailability of individual esters in future human digestion studies...
  18. ncbi request reprint Solubility, uptake and biocompatibility of lutein and zeaxanthin delivered to cultured human retinal pigment epithelial cells in tween40 micelles
    Mohammad Reza Lornejad-Schäfer
    Institute of Biological Chemistry and Nutrition, University of Hohenheim, Garbenstr 30, 70593 Stuttgart, Germany
    Eur J Nutr 46:79-86. 2007
    ..Micelle formulations prepared with ethanol/Tween40 resulted in the lowest LDH release, the highest carotenoid uptake and the lowest stress response (changes in HO-1 mRNA expression)...
  19. ncbi request reprint An extracellular carboxylesterase from the basidiomycete Pleurotus sapidus hydrolyses xanthophyll esters
    Holger Zorn
    Zentrum Angewandte Chemie, Institut für Lebensmittelchemie der Universität Hannover, Wunstorfer Strasse 14, D 30453 Hannover, Germany
    Biol Chem 386:435-40. 2005
    ..40% homology to Candida rugosa lipases. The P. sapidus carboxylesterase represents the first enzyme of the lipase/esterase family from a basidiomycetous fungus that has been characterised at the molecular level...