M Richelle

Summary

Country: Switzerland

Publications

  1. ncbi request reprint Both free and esterified plant sterols reduce cholesterol absorption and the bioavailability of beta-carotene and alpha-tocopherol in normocholesterolemic humans
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, Lausanne, Switzerland
    Am J Clin Nutr 80:171-7. 2004
  2. doi request reprint The proportion of lycopene isomers in human plasma is modulated by lycopene isomer profile in the meal but not by lycopene preparation
    Myriam Richelle
    Nestle Research Center, Nestec Limited, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Br J Nutr 107:1482-8. 2012
  3. doi request reprint Lycopene isomerisation takes place within enterocytes during absorption in human subjects
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, Lausanne, Switzerland
    Br J Nutr 103:1800-7. 2010
  4. ncbi request reprint Skin bioavailability of dietary vitamin E, carotenoids, polyphenols, vitamin C, zinc and selenium
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Br J Nutr 96:227-38. 2006
  5. ncbi request reprint High-throughput simultaneous determination of plasma water deuterium and 18-oxygen enrichment using a high-temperature conversion elemental analyzer with isotope ratio mass spectrometry
    M Richelle
    Nestle Research Center, Nestec, Ltd, P O Box 44, CH 1000 Lausanne 26, Switzerland
    Rapid Commun Mass Spectrom 18:795-8. 2004
  6. ncbi request reprint Simultaneous determination of deuterated and non-deuterated alpha-tocopherol in human plasma by high-performance liquid chromatography
    Myriam Richelle
    Department of Nutrition, Nestle Research Center, PO Box 44, CH 1000 26, Lausanne, Switzerland
    J Chromatogr B Analyt Technol Biomed Life Sci 794:1-8. 2003
  7. ncbi request reprint A food-based formulation provides lycopene with the same bioavailability to humans as that from tomato paste
    Myriam Richelle
    Department of Nutrition, Nestle Research Center, Lausanne, Switzerland
    J Nutr 132:404-8. 2002
  8. ncbi request reprint Comparison of the antioxidant activity of commonly consumed polyphenolic beverages (coffee, cocoa, and tea) prepared per cup serving
    M Richelle
    Nestle Research Center, P O Box 44, 1000 Lausanne 26, Switzerland
    J Agric Food Chem 49:3438-42. 2001
  9. ncbi request reprint Urinary isoprostane excretion is not confounded by the lipid content of the diet
    M Richelle
    Nestle Research Center, P O Box 44, 1000, Lausanne, Switzerland
    FEBS Lett 459:259-62. 1999
  10. ncbi request reprint [2H/H] Isotope ratio analyses of [2H5]cholesterol using high-temperature conversion elemental analyser isotope-ratio mass spectrometry: determination of cholesterol absorption in normocholesterolemic volunteers
    Jean Philippe Godin
    Nestec Ltd, Nestle Research Center, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Rapid Commun Mass Spectrom 18:325-30. 2004

Collaborators

Detail Information

Publications13

  1. ncbi request reprint Both free and esterified plant sterols reduce cholesterol absorption and the bioavailability of beta-carotene and alpha-tocopherol in normocholesterolemic humans
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, Lausanne, Switzerland
    Am J Clin Nutr 80:171-7. 2004
    ..Plant sterols also lower plasma concentrations of carotenoids and alpha-tocopherol, but the mechanism of action is not yet understood...
  2. doi request reprint The proportion of lycopene isomers in human plasma is modulated by lycopene isomer profile in the meal but not by lycopene preparation
    Myriam Richelle
    Nestle Research Center, Nestec Limited, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Br J Nutr 107:1482-8. 2012
    ..These results show that the tomato preparation has no impact on the lycopene isomerisation occurring during absorption in humans...
  3. doi request reprint Lycopene isomerisation takes place within enterocytes during absorption in human subjects
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, Lausanne, Switzerland
    Br J Nutr 103:1800-7. 2010
    ..Although there is a huge inter-individual variability of total lycopene absorption reported both in in vitro intestinal cell lines as well as in human chylomicrons, the lycopene isomer profile is quite similar...
  4. ncbi request reprint Skin bioavailability of dietary vitamin E, carotenoids, polyphenols, vitamin C, zinc and selenium
    Myriam Richelle
    Nestle Research Center, Nestec Ltd, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Br J Nutr 96:227-38. 2006
    ..Even for compounds that have been studied well in other organs, information on skin is relatively sparse. Gaps in knowledge are identified and suggestions made for future research...
  5. ncbi request reprint High-throughput simultaneous determination of plasma water deuterium and 18-oxygen enrichment using a high-temperature conversion elemental analyzer with isotope ratio mass spectrometry
    M Richelle
    Nestle Research Center, Nestec, Ltd, P O Box 44, CH 1000 Lausanne 26, Switzerland
    Rapid Commun Mass Spectrom 18:795-8. 2004
    ..Memory effects do exist but can be avoided by analyzing the biological samples in quintuplet. This method allows the determination of 1440 samples per week, i.e. 288 biological samples per week...
  6. ncbi request reprint Simultaneous determination of deuterated and non-deuterated alpha-tocopherol in human plasma by high-performance liquid chromatography
    Myriam Richelle
    Department of Nutrition, Nestle Research Center, PO Box 44, CH 1000 26, Lausanne, Switzerland
    J Chromatogr B Analyt Technol Biomed Life Sci 794:1-8. 2003
    ..Between- and within-assay RSDs were 2.4% (n=10) and 2.7% (n=5), respectively...
  7. ncbi request reprint A food-based formulation provides lycopene with the same bioavailability to humans as that from tomato paste
    Myriam Richelle
    Department of Nutrition, Nestle Research Center, Lausanne, Switzerland
    J Nutr 132:404-8. 2002
    ..The precursor of lycopene, phytofluene, was better absorbed than lycopene itself. The lactolycopene formulation and tomato paste exhibited similar lycopene bioavailability in plasma and buccal mucosa cells in humans...
  8. ncbi request reprint Comparison of the antioxidant activity of commonly consumed polyphenolic beverages (coffee, cocoa, and tea) prepared per cup serving
    M Richelle
    Nestle Research Center, P O Box 44, 1000 Lausanne 26, Switzerland
    J Agric Food Chem 49:3438-42. 2001
    ..In conclusion, these commonly consumed beverages have a significant antioxidant activity, the highest being soluble coffee on a cup-serving basis...
  9. ncbi request reprint Urinary isoprostane excretion is not confounded by the lipid content of the diet
    M Richelle
    Nestle Research Center, P O Box 44, 1000, Lausanne, Switzerland
    FEBS Lett 459:259-62. 1999
    ..Urinary isoprostane excretion was increased by 40% following a 24 h fast. We concluded that urinary isoprostane excretion reflects endogenous lipid peroxidation in vivo...
  10. ncbi request reprint [2H/H] Isotope ratio analyses of [2H5]cholesterol using high-temperature conversion elemental analyser isotope-ratio mass spectrometry: determination of cholesterol absorption in normocholesterolemic volunteers
    Jean Philippe Godin
    Nestec Ltd, Nestle Research Center, PO Box 44, CH 1000 Lausanne 26, Switzerland
    Rapid Commun Mass Spectrom 18:325-30. 2004
    ..This present method produces biological results consistent with those already reported in the literature...
  11. ncbi request reprint Hydrolysis of isoflavone glycosides to aglycones by beta-glycosidase does not alter plasma and urine isoflavone pharmacokinetics in postmenopausal women
    Myriam Richelle
    Department of Nutrition, Nestle Research Center, Lausanne, Switzerland
    J Nutr 132:2587-92. 2002
    ..In conclusion, previous hydrolysis of glycosides to aglycones does not enhance the bioavailability of isoflavones in humans...
  12. ncbi request reprint Enhanced bioavailability of zeaxanthin in a milk-based formulation of wolfberry (Gou Qi Zi; Fructus barbarum L.)
    Iris F F Benzie
    Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong
    Br J Nutr 96:154-60. 2006
    ....
  13. ncbi request reprint Bioaccessibility of carotenoids and vitamin E from their main dietary sources
    Emmanuelle Reboul
    INSERM, 476 Nutrition Humaine et lipides, Marseille, F 13385 France
    J Agric Food Chem 54:8749-55. 2006
    ..Bioaccessibility was dependent on (i) microconstituent species (lutein > beta-carotene and alpha-carotene > lycopene and alpha-tocopherol generally > gamma-tocopherol), (ii) food matrix, and (iii) food processing...