Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 64166
Title Bioavailability of folate from processed spinach in humans
Author(s) Castenmiller, J.J.M.; Poll, C.J. van de; West, C.E.; Brouwer, I.A.; Thomas, C.M.G.; Dusseldorp, M. van
Source Annals of Nutrition & Metabolism 44 (2000). - ISSN 0250-6807 - p. 163 - 169.
DOI http://dx.doi.org/10.1159/000012840
Department(s) Human Nutrition (HNE)
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2000
Abstract The effect of the food matrix and dietary fibre on the bioavailability of folate is not known. In a controlled, 3-week dietary intervention study, 28 men and 42 women were divided into six groups to receive either a control diet (n = 10), or the control diet plus 20 g/MJ per day (n = 12 per group) of whole-leaf spinach, minced spinach, liquefied spinach, or liquefied spinach to which dietary fibre (10 g/kg wet weight) was added. The sixth group received the control diet plus a synthetic carotenoid supplement with similar amounts of -carotene and lutein as found in spinach. A significantly higher plasma folate response was found for the pooled spinach groups than for the control group. Among the spinach groups no significant differences were detected. However, the plasma folate response of the pooled minced and liquefied spinach groups was greater than that of the whole-leaf spinach group (p = 0.03). Re-addition of dietary fibre to the liquefied spinach to compensate for the fibre broken down during liquefaction did not reduce the plasma folate response. The consumption of the carotenoid supplement did not have an effect on plasma folate concentrations compared with the control group. The food matrix in which the folate is entrapped plays a role in folate bioavailability.
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