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document
van Dokkum, W. (author), Wesstra, A. (author), Schippers, F.A. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1982
document
van Dokkum, W. (author), Wezendonk, B. (author), Srikumar, T.S. (author), van den Heuvel, E.G.H.M. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Objective: To study the effect of the intake of 15 g nondigestible oligosaccharides per day on various parameters of large-bowel function, as well as on blood lipid concentrations and glucose absorption in man. Design: Latin square, randomized, double-blind, diet-controlled. Setting: Metabolic research unit. Subjects: Twelve apparently healthy...
article 1999
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van Dokkum, W. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1995
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Brussaard, J.H. (author), van Dokkum, W. (author), van der Paauw, C.G. (author), de Vos, R.H. (author), de Kort, W.L.A.M. (author), Löwik, M.R.H. (author), TNO Voeding (author)
To assess the level of exposure to food contaminants (cadmium, lead, PCBs, DDT, hexachlorobenzene, nitrate and malathion) a total-diet study was carried out. A total of 226 food products were analysed individually; the concentration of contaminants in products not selected for analysis was estimated with the help of published data. The results...
article 1996
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Vaquero, M.P. (author), Veldhuizen, M. (author), van Dokkum, W. (author), van den Hamer, C.J.A. (author), Schaafsma, G. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
The influence of drinking tea on copper bioavailability is unclear, particularly when tea is consumed with food. A breakfast meal containing white bread, margarine, strawberry jam, cheese and tea, with or without milk, was digested in; vitro and the dialysis of copper investigated. Reference breakfasts were prepared with water and water with...
article 1994
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van Dokkum, W. (author), Pikaar, N.A. (author), Thissen, J.T.N.M. (author), Instituut CIVO-Toxicologie en voeding TNO (author)
article 1983
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van Dokkum, W. (author), TNO Voeding (author)
article 2001
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van Dokkum, W. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1995
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van Dokkum, W. (author), TNO Kwaliteit van Leven (author)
article 2005
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van Dokkum, W. (author), TNO Voeding (author)
article 2001
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Havenaar, R. (author), Bonnin-Marol, S. (author), van Dokkum, W. (author), Petitet, S. (author), Schaafsma, G. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
It is well documented that the indigenous microflora, particularly in the colon, plays an important role as a natural resistance factor against pathogenic microorganisms. The number of beneficial bacteria can be increased by specific non-digestible carbohydrates known as prebiotics. One category of prebiotic is inulin, a non-starch...
article 1999
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van Dokkum, W. (author), TNO Voeding (author)
article 2003
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van Dokkum, W. (author), TNO Voeding (author)
article 2001
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de Vos, R.H. (author), van Dokkum, W. (author)
article 1989
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van Dokkum, W. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1998
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Srikumar, T.S. (author), Wezendonk, B. (author), van Dokkum, W. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
In the present pilot study, for investigating the physiological effects of different types of nondigestible oligosaccharides, we have validated the application of methodologies for the analysis of bile acids and neutral steroids in feces of human subjects. The accuracy of the extraction and chromatographic procedures for the analyses of bile...
article 1998
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de Vos, R.H. (author), van Dokkum, W. (author), Centraal instituut voor voedingsonderzoek TNO (author)
article 1978
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Bos, K.D. (author), van Dokkum, W. (author), Schaafsma, G. (author), TNO Voeding Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1997
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van Gelderen, C.E.M. (author), Savelkoul, T.J.F. (author), Blom, J.L. (author), van Dokkum, W. (author), Kroes, R. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
article 1993
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van Dokkum, W. (author), Wesstra, A. (author), Luyken, R. (author), Hermus, R.J.J. (author), Instituut CIVO-Toxicologie en voeding TNO (author)
Twelve young men were given for periods of 20 d, each of three mixed diets, namely a low-protein (LP) diet (9% total energy as protein, 67% of animal origin), a high-animal-protein (HA) diet (16% total energy as protein, 67% of animal origin) and a high-vegetable-protein (HV) diet (16% total energy as protein, 67% of vegetable origin). Retention...
article 1986
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