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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Undernutrition management and the role of protein-enriched meals for older adults
Ziylan, Canan - \ 2016
Wageningen University. Promotor(en): Lisette de Groot; Stefanie Kremer; Annemien Haveman-Nies. - Wageningen : Wageningen University - ISBN 9789462579323 - 148
elderly - elderly nutrition - undernutrition - enrichment - protein - eating patterns - feeding behaviour - meals - nursing homes - ouderen - ouderenvoeding - ondervoeding - verrijking - eiwit - eetpatronen - voedingsgedrag - maaltijden - verpleeghuizen

Undernutrition is a major health problem in the growing elderly population. It is estimated that one in ten Dutch community-dwelling older adults is suffering from undernutrition, and one in three Dutch older adults who receive home care. Undernutrition may lead to many negative consequences, ranging from fatigue and falls to impaired immune function and death. This makes undernutrition an obvious target for preventive measures.

Undernutrition can be defined as “a state of nutrition in which a deficiency or excess (or imbalance) of energy, protein, and other nutrients causes measurable adverse effects on tissue/body form (body shape, size and composition) and function, and clinical outcome”. In addition, it is often described as protein energy malnutrition. Adequate protein intake may to some extent prevent and reverse this process. However, throughout ageing, it becomes increasingly difficult to reach adequate protein intake due to higher protein needs and lower protein intakes. Finding solutions to assist older adults in reaching their optimal protein intake is necessary.

In our overall research project, we considered 1.2g protein per kg weight per day (g/kg/d) as adequate protein intake. In Dutch community-dwelling older adults, protein intake is around 1.0 g/kg/d, implying room for improvement. However, it is possible that many of these older adults deal with physiological changes, medical conditions, and physical and mental limitations that impair their appetite and food provision. For these older adults with higher protein needs, merely recommending that they eat more would not be realistic. It would be more realistic to explore strategies that increase protein intake without having to increase food intake. This calls for the exploration of instruments that match the needs and preferences of older adults: protein-enriched regular products.

One particular group that can be identified as a target group for such products, are older adults who receive home care. Undernutrition prevalence is high in this group, which may be explained by their health problems that led to this dependence on home care. Likewise, many of these older adults also depend on meals-on-wheels. These meals-on-wheels recipients, regardless of whether they receive home care or not, often risk undernutrition too. In both these (overlapping) care-dependent groups, difficulties in adhering to energy and protein recommendations can be discerned. For this reason, enriching the readymade meals that these older adults receive may contribute to the prevention of protein undernutrition by increasing protein intake while keeping food intake the same. Here, protein enrichment instruments can be used to prevent undernutrition, but only when implemented in a timely manner. Adequate undernutrition management systems are therefore necessary to facilitate timely intervention, ensuring that the developed protein-enriched meals are actually offered and effective. For this reason, the overall aim of our research project was to gain insight into the current state of undernutrition management in community-dwelling older adults in the Netherlands and explore the role of protein-enriched regular products as a supportive instrument in protein undernutrition management.

In Study 1 (chapter 2) we explored the experiences of 22 Dutch nutrition and care professionals and researchers with undernutrition awareness, monitoring, and treatment among community-dwelling older adults. This qualitative study among, for example, dietitians, general practitioners, nurse practitioners, and home care nurses provided insight into the current bottlenecks within the existing undernutrition management guidelines. In these telephone interviews, these experts also discussed the current dietary behaviour problems of older adults and their impact on undernutrition risk. The experts’ experiences implied that undernutrition awareness is limited, among both older adults and care professionals. In addition, the interviewees were unclear about which professionals are responsible for monitoring and which monitoring procedures are preferred. The dietitians feel that they become involved too late, leading to decreased treatment effectiveness. In general, the interviewees desired more collaboration and a coherent and feasible allocation of responsibilities regarding undernutrition monitoring and treatment. This implied that the available guidelines on undernutrition management require more attention and facilitation.

In the following mixed-methods study (chapter 3), with interviews, we qualitatively explored the dietary behaviour and undernutrition risk of 12 Dutch elderly meals-on-wheels clients, one of the largest at-risk groups. We followed up on this information by quantifying the topics that emerged from the qualitative exploration of experienced bottlenecks in performing adequate dietary behaviour. For this, we used a survey among 333 meals-on-wheels clients. The interviews with elderly meals-on-wheels clients made clear that they have fixed and habitual eating patterns, while at the same time their appetite had decreased throughout the years. This was confirmed by the survey finding that regular portion size meals were perceived as too large by the oldest group aged over 75y. In addition, as the professionals suggested earlier, the interviewed elderly clients indeed showed limited awareness of undernutrition risk. Simultaneously, the survey showed that almost one in four elderly meals-on-wheels clients was undernourished. These findings led to the conclusion that staying close to the identified dietary habits may facilitate small yet effective modifications within these habits to prevent inadequate nutritional intake. Still, the limited awareness of undernutrition risk was expected to play a limiting role in whether clients believe they need dietary modifications. Consequently, informing them about this need could facilitate their motivation to implement modifications.

After learning about the general dietary behaviour of these older adults, we used this information for Study 3 (chapter 4). We developed two kinds of protein-enriched readymade meals that are in line with the needs and preferences of older adults: one of regular size (450g) and one of reduced size (400g). We tested these meals in a lab setting in 120 community-dwelling older adults in a single-blind randomised crossover trial. One day a week at lunchtime, for four weeks, participants had to consume and evaluate a readymade meal. Overall, regardless of portion size, the protein-enriched meals led to higher protein intakes in vital older adults in a lab setting during lunch. In this crossover study, the participants liked the protein-enriched meals and the regular meals equally. However, we did not find the expected lower ratings of satiety after the reduced-size meals, while one reduced-size enriched meal and another regular-size enriched meal led to higher ratings of subsequent satiety. This higher satiety in the enriched meals could lead to compensational behaviour on the remainder of the day.

After establishing that the protein-enriched meals were effective and acceptable in the lab setting, we moved to the homes of older adults to test the meals in a longer-term study in Study 4 (chapter 5). In this double-blind randomised controlled trial of two weeks, we also included protein-enriched bread to assess whether both this bread and the meals could increase daily protein intake to 1.2g/kg/d in 42 community-dwelling older adults to reach optimal protein intake. We found that the enriched products again led to higher protein intakes and a high liking. The mean protein intake per day was 14.6g higher in the intervention group, which amounted to a protein intake of 1.25g/kg/d, compared with 0.99g/kg/d in the control group. In addition, the meals scored 7.7 out of 10, while the bread scored 7.8 out of 10, which both were comparable with their regular counterparts. Lastly, we found no negative effect of compensational behaviour throughout the day. These promising findings indicated that we achieved a good match between older adults’ needs and preferences regarding protein intake.

In the general discussion of this thesis (chapter 6), we combined our learnings from the four studies to reflect on protein undernutrition management in community-dwelling older adults and the possible role of protein-enriched regular products. We have discussed a conceptual framework consisting of three wheels of protein undernutrition management. In the first wheel regarding awareness, we proposed that limited awareness of adequate nutrition and body composition forms the largest bottleneck in undernutrition management. When this awareness is generated among both older adults and professionals, it will benefit the second wheel of monitoring. Here, we argued that a policy and the actual facilitation of that policy are required for this monitoring to succeed. When the monitoring is performed adequately, in the third wheel, the appropriate treatment can be carried out. We discussed that personalisation and evaluation of this treatment are important conditions. All in all, the public health implications that we have discussed on the basis of our findings can be summarised by the three key messages that could help us ace in adequate protein undernutrition management: address awareness in both older adults and professionals, facilitate continuous collaboration between professionals, and offer protein-enriched products expediently.

Cater with Care : impact of protein-enriched foods and drinks for elderly people
Beelen, J. - \ 2016
Wageningen University. Promotor(en): Lisette de Groot; Frans Kok, co-promotor(en): Nicole de Roos. - Wageningen : Wageningen University - ISBN 9789462578814 - 142 p.
undernutrition - hospital catering - hospitals - protein - elderly - protein intake - food - beverages - diet studies - dietetics - dietitians - randomized controlled trials - ondervoeding - ziekenhuiscatering - ziekenhuizen - eiwit - ouderen - eiwitinname - voedsel - dranken - dieetstudies - diëtetiek - diëtisten - gestuurd experiment met verloting

Protein undernutrition is a major health concern for older adults, especially for those who are ill. There is growing consensus for a protein intake target of 1.2 - 1.5 gram per kg bodyweight per day (g/kg/d) for these older adults. However, this target is not reached by the majority of older adults. Therefore, more effective and novel strategies to increase protein intake are warranted, including the use of protein-enriched foods and drinks. This thesis evaluated the impact of the developed protein-enriched foods and drinks on protein intake and physical performance among older adults. The studies in this thesis were done as part of the Cater with Care® project; a collaboration between the university, care organizations, and partners from the food industry. The industrial partners developed the products, focusing each on different product categories: Carezzo Nutrition developed bread, pastry, and fresh juices and soups; The Kraft Heinz Company focused on long shelf-life and convenience foods; and the Veal Promotion Foundation produced veal meat.

To fit the products to the needs of the target group, interviews with undernourished older adults (at home or hospitalized) and with dietitians were conducted (chapter 2). These interviews showed that undernutrition awareness is low among older adults. To treat undernutrition by changing their eating habits, older adults need to be aware of their health problem, they need to be willing to change, and they need to be able to understand and implement the dietitian’s advices. This process takes time while undernutrition should be treated immediately. For immediate treatment, enriched products could be used, without first creating awareness. According to the interviewees, enriched products should fit within older adults’ eating habits, and have small portion sizes.

To gain insights in food choices of hospitalized older adults (65 years and older) an observational study was conducted. In this study, energy and protein intakes of 80 hospitalized older patients at low and high risk of undernutrition were assessed (chapter 3). Patients who received an energy- and protein-rich menu, because of their risk of undernutrition, were better able to reach the protein and energy targets than patients with a low risk of undernutrition receiving a standard menu. Based on these results we proposed that all hospitalized older adults – both at low and high risk of undernutrition – should receive an energy- and protein-rich menu.

Subsequently, a pilot study was done in a care home and a rehabilitation center with the aim to explore the potential of the developed protein-enriched products to increase protein intake (chapter 4). Participants did not compensate their consumption of regular protein-rich foods (e.g. dairy, cheese) upon the introduction of protein-enriched foods and drinks. The 22 institutionalized elderly (mean age 83 years) consumed 12 gram protein per day more than they did before the intervention. Consequently, more people met the protein target of 1.2 g/kg/d than before the intervention. We concluded that protein-enriched products enabled institutionalized elderly to reach protein intake targets. Furthermore, we gained valuable feedback to improve the assortment of protein-enriched products for the effectiveness study.

In the final study, effects of the protein-enriched products on protein intake and physical performance were studied in a randomized controlled trial during hospitalization and subsequent recovery at home. During the hospital period in which 147 older patients participated, patients that received protein-enriched products increased their protein intake compared to the control group that already received a protein-rich hospital menu (chapter 5). As a result, 79% of the intervention group reached a protein intake of 1.2 g/kg/d, compared to 48% of the control group. Finally, effects of the protein-enriched products were tested at home, for a longer period (chapter 6). Half of the hospital phase participants (n = 75) continued the intervention at home for 12 weeks. The protein-enriched products were successfully implemented in the daily menu of the older adults: the intervention group had a higher average protein intake (1.5 ± 0.6 g/kg/d) than the control group (1.0 ± 0.4 g/kg/d) during the 12-week intervention period. Seventy-two percent of the intervention group reached a protein intake of 1.2 g/kg/d during the 12-week intervention, compared to 31% of the control group. Protein intake of the intervention group was mainly increased by the following protein-enriched products: bread, dairy drinks, dairy desserts, soups, and fruit juices. However, despite the successful improvement of protein intake, we found no added value on physical performance in the first 6 months after hospitalization.

It was concluded that with the protein-enriched familiar foods and drinks, we have a feasible, acceptable, and appetizing long-term strategy to increase protein intake of older adults in various settings. We envisage a beneficial role of these protein-enriched products in combination with physical activity in older adults with lower protein intakes.

An apple a day... : de rol van voeding in transmurale zorg
Witteman, Ben J.M. - \ 2015
Wageningen : Wageningen University - ISBN 9789462571990 - 32
ziekenhuiszorg - voedsel - chronische darmontstekingen - darmziekten - prikkelbaar colon - coeliakie - narcose - ondervoeding - vasten - darmen - hospital care - food - inflammatory bowel diseases - intestinal diseases - irritable colon - coeliac syndrome - narcosis - undernutrition - fasting - intestines
'De gemiddelde levensverwachting stijgt in Nederland. Nochtans worden we op jongere leeftijd met chronische aandoeningen geconfronteerd. De kans hierop neemt de komende jaren sterk toe: van 1 miljoen nu naar 1,5 miljoen in 2020. Hierdoor zullen we geconfronteerd worden met voedingsproblemen waarbij een chronische ziekte een rol speelt. Aangepaste voeding, op grond van de onderliggende pathofysiologie, kan naast preventie van progressie van ziekte ook leiden tot een eerder klinisch herstel. De darm als gate-keeper van het lichaam speelt hierbij een belangrijke rol. Voedingsonderzoek bij deze doelgroep, gericht op verbetering van de darmgezondheid kan de patiënt een beter welzijn geven en de gezondheidszorg mogelijk goedkoper maken.'
Could nutrition sensitive cocoa value chains be introduced in Ghana? Report of a brief study that identifies opportunities and bottlenecks
Vries, K. de - \ 2015
Wageningen : Centre for Development Innovation, Wageningen UR (Report CDI / Wageningen UR, Centre for Development Innovation 15-105) - 22
food consumption - households - gender relations - women - cocoa - undernutrition - nutrition - ghana - africa - west africa - voedselconsumptie - huishoudens - man-vrouwrelaties - vrouwen - cacao - ondervoeding - voeding - afrika - west-afrika
This study looks at whether introducing nutrition sensitive cocoa value chains in Ghana is feasible and recommends how this could be done. After establishing the cocoa farming and nutrition context in Ghana, the study zooms in on one cocoa producing sub-district to collect detailed data in order to provide recommendations.
Alleen sterkere smaak verhoogt eetlust niet
Doets, E.L. ; Kremer, S. - \ 2015
Resource: weekblad voor Wageningen UR 10 (2015)6. - ISSN 1874-3625 - p. 8 - 8.
ondervoeding - eiwitdepletie - ouderen - voedselvoorkeuren - voedselkwaliteit - productontwikkeling - smaak - voedselverpakking - voeding - voedingsonderzoek - ouderenvoeding - undernutrition - protein depletion - elderly - food preferences - food quality - product development - taste - food packaging - nutrition - nutrition research - elderly nutrition
Vijf tot tien procent zelfstandige ouderen is ondervoed. Ouderen waarderen voeding waarschijnlijk beter als verschillende aspecten zoals textuur, smaak en uiterlijk tegelijkertijd worden verbeterd. Dit schrijven Esmée Doets en Stefanie Kramer, onderzoekers bij Food & Biobased Research, in een overzichtsstudie in het tijdschrift Food Quality and Preference.
Langer fit met beter eten
Smit, A. ; Groot, C.P.G.M. de; Kremer, S. ; Ziylan, C. ; Peppelenbos, H.W. - \ 2015
WageningenWorld (2015)1. - ISSN 2210-7908 - p. 10 - 15.
ouderen - ouderenvoeding - voeding en gezondheid - ondervoeding - voedingstoestand - eiwitrijke voedingsmiddelen - voedselverrijking - voedselconsumptie - gezondheidsbevordering - elderly - elderly nutrition - nutrition and health - undernutrition - nutritional state - protein foods - food enrichment - food consumption - health promotion
Ouderen die zelfstandig thuis wonen, lopen het risico ondervoed te raken. Wageningen UR onderzoekt hoe dat is te voorkomen met producten en maaltijden die verrijkt zijn met extra eiwit. Maar hoe breng je die op de markt? De meeste ouderen voelen zich niet oud en zijn zich totaal niet bewust van hun voedingsstatus.
Evaluatie van de voedingsstatus van Nederlandse patiënten met chronische inflammatoire darmziekten : een pilotonderzoek
Berg, M.C. van den; Plas, M. ; Mares, W. ; Witteman, B.J.M. ; Klein Gunnewiek, J.M.T. ; Vries, J.H.M. de - \ 2014
Nederlands Tijdschrift voor Voeding en Dietetiek 60 (2014)1. - ISSN 1875-9955 - p. S1 - S12.
voedingstoestand - darmziekten - chronische darmontstekingen - ondervoeding - patiënten - voeding en gezondheid - nutritional state - intestinal diseases - inflammatory bowel diseases - undernutrition - patients - nutrition and health
Introductie Het doel van deze pilotstudie was het verkrijgen van inzicht in de voedingsstatus van Nederlandse patiënten met chronische inflammatoire darmziekten (IBD). Methoden De voedingsstatus werd onderzocht op basis van MUST-score, handknijpkracht, micronutriëntstatus in het bloed en voedingsinname. Daarnaast werden leeftijd, geslacht, ziektebeeld, ziekteactiviteit, kwaliteit van leven en medicatiegebruik geïnventariseerd en gecorreleerd aan ziekteactiviteit. Resultaten 41 personen met IBD (17 mannen en 24 vrouwen, 19-74 jaar), onder wie 22 met colitis ulcerosa en 19 met de ziekte van Crohn, namen deel aan het onderzoek. 4 deelnemers hadden volgens de MUST-score een verhoogd risico op ondervoeding. Van 4 deelnemers was de handknijpkracht onder de referentiewaarde. 14 personen hadden een tekort aan vitamine D, 3 aan selenium, 3 aan foliumzuur, 1 aan vitamine B12 en 1 aan magnesium. De micronutriëntconcentraties verschilden niet tussen deelnemers met verschillende ziektebeelden, MUST-scores of handknijpkracht. Serum vitamine B1 verschilde als enige micronutriënt tussen mannen en vrouwen (p=0,047). Foliumzuurconcentraties waren hoger bij hogere ziekteactiviteit (p=0,022) en bij lagere kwaliteit van leven (p=0,030). Serumspiegels van vitamine D en vitamine E waren hoger voor deelnemers boven de leeftijdsmediaan dan voor deelnemers daaronder (50 jaar, respectievelijk: p
Rapportage onderzoeksproject Genieten aan tafel : een toegepast onderzoek naar maaltijdbeleving in verpleeghuizen
Zeinstra, G.G. ; Atten, M.N. van; Ziylan, C. ; Boelsma, E. ; Peppelenbos, H.W. ; Brok, P. den - \ 2014
Wageningen : Wageningen UR - Food & Biobased Research (Rapport / Wageningen UR Food & Biobased Research 1483) - ISBN 9789462570535 - 86
verpleeghuizen - ouderenvoeding - ouderen - perceptie - volksgezondheid - ziektepreventie - maaltijden - nederland - ondervoeding - voedselconsumptie - nursing homes - elderly nutrition - elderly - perception - public health - disease prevention - meals - netherlands - undernutrition - food consumption
Er komen steeds meer ouderen in Nederland. Zij doen over het algemeen een groter beroep op de gezondheidszorg, wat tot stijgende zorgkosten leidt en een lagere kwaliteit van leven. Eten en drinken speelt een belangrijke rol bij de preventie van ziekte. Hoewel er steeds meer aandacht is voor de voedingsstatus van ouderen en screeningsprocedures steeds meer toegepast worden, laten de laatste metingen in Nederland zien dat 17% van de cliënten in instellingen ondervoed is en dat 28% risico loopt op ondervoeding. Om ziekte en daarmee verhoogde zorgkosten te voorkomen, en om de kwaliteit van leven te optimaliseren, is preventie van ondervoeding bij ouderen noodzakelijk. Het onderzoek ‘Genieten aan tafel’ beoogde de maaltijdbeleving van verpleeghuiscliënten te optimaliseren, met als doel om eetlust, voedingsstatus, functionele status en kwaliteit van leven te verbeteren en zo zorgkosten te verminderen.
Over voeding en ondervoeding
Leij, F.R. van der - \ 2013
Leeuwarden : VHL - 28
voeding en gezondheid - overvoeding - ondervoeding - voedselconsumptie - voedingsstoffen - nutrition and health - overfeeding - undernutrition - food consumption - nutrients
Het onderwerp van deze inaugurele rede is overvoeding en ondervoeding. Daarnaast loopt er een rode draad door dit betoog: het grote belang van de verwevenheid van onderzoek met onderwijs.
Voedselzekerheid en voedingszekerheid : meer van hetzelfde of complementair? (Policy brief)
Dorp, M. van - \ 2012
Wageningen : Wageningen UR Centre for Development Innovation - 6
voedselzekerheid - landbouwontwikkeling - voedselvoorziening - voedseltekorten - ondervoeding - landbouwsector - food security - agricultural development - food supply - food shortages - undernutrition - agricultural sector
Deze concept note is geschreven op uitnodiging van de Rabobank Foundation en gaat in op de noodzaak en de mogelijkheden om landbouw, landbouwontwikkeling en voedselzekerheid te verbinden met het terugdringen van ondervoeding.
Integrated Food and Nutrition Security Programming to Address Undernutrition : The Plan Approach
Boer, F.A. de; Verdonk, I. - \ 2012
Wageningen : Wageningen UR Centre for Development Innovation (Report / Wageningen UR Centre for Development Innovation CDI-12-014) - 34
voedselzekerheid - slechte voeding - honger - ondervoeding - food security - malnutrition - hunger - undernutrition
From a technical point of view, it is widely recognised that an integrated approach to food and nutrition security is an effective way to promote child nutritional well-being. In this desk review, based on project documents of the countries which took part in the PLAN NL supported Food and Nutrition Security Support Programme (FNSSP), what kind of interventions were undertaken and their strengths and weaknesses are compared with the lessons learned from the World Bank. Report number CDI-12-014.
Aanwijzingen voor effecten op functionele eindpunten : vitaminesuppletie voeding van ondervoede ouderen
Groot, C.P.G.M. de - \ 2009
VoedingsMagazine 2009 (2009)6. - ISSN 0922-8012 - p. 16 - 18.
vitaminetoevoegingen - ondervoeding - ouderen - voedingstoestand - ouderenvoeding - voeding en gezondheid - vitamin supplements - undernutrition - elderly - nutritional state - elderly nutrition - nutrition and health
Protein or energy supplementation of the diet of malnourished older people leads to body weight gain and an improved nutritional status. There are no indications for an effect on functional endpoints. In contrast, according to Prof. Lisette de Groot (Wageningen University), vitamin supplementation reportedly leads to functional improvements
Micronutrients, omega-3 fatty acids and cognitive performance in Indian schoolchildren
Eilander, J.H.C. - \ 2009
Wageningen University. Promotor(en): Frans Kok, co-promotor(en): S.J.M. Osendarp; S. Muthayya. - [S.l. : S.n. - ISBN 9789085854708 - 175
sporenelementen - meervoudig onverzadigde vetzuren - cognitieve ontwikkeling - mentale vaardigheid - minerale supplementen - fortificatie - ondervoeding - schoolkinderen - india - omega-3 vetzuren - kenvermogen - trace elements - polyenoic fatty acids - cognitive development - mental ability - mineral supplements - fortification - undernutrition - school children - omega-3 fatty acids - cognition
Zorgzame voeding : ouderen, voeding en gezondheid : een inventarisatie
Strous, M.B. ; Westeneng, E. - \ 2009
Wageningen : Agrotechnology & Food Sciences Group - 41
ouderenvoeding - ouderen - ondervoeding - gezondheidszorg - huisartsen - voeding en gezondheid - elderly nutrition - elderly - undernutrition - health care - general practitioners - nutrition and health
AFSG en Van Hall Larenstein hebben samen een inventarisatie uitgevoerd gericht op voeding en ouderenzorg. Omdat de ziektedruk bij ouderen toeneemt ligt de focus van deze studie op de rol van voeding in de periode voor, tijdens en na ziekte en operatie. Gedurende het onderzoek is duidelijk geworden dat er in de instellingen al relatief veel aandacht is voor voeding. Maar slechts 7% van de ouderen woont in een instelling, de grootste groep ouderen woont zelfstandig. De grootste verbeterslag is dan ook te halen bij deze ouderen
Zorgzame voeding : ouderen, voeding en gezondheid : een inventarisatie
Strous, M.B. - \ 2009
Wageningen : Agrotechnology & Food Sciences Group
ouderen - ondervoeding - gezondheidszorginstellingen - thuiszorg - voeding en gezondheid - elderly - undernutrition - health maintenance organizations - home care - nutrition and health
In Nederland wonen 2,3 miljoen mensen van 65 jaar en ouder. Dit aantal neemt de komende decennia fors toe: in 2030 wonen er in ons land bijna vier miljoen ouderen. De vraag om zorg neemt daardoor toe: verzorging in zorginstellingen, maar ook zorg rondom ziekte en herstel. Kan goede voeding de herstelperiode na ziekte verkorten? Of de kwaliteit van leven beïnvloeden? Deze vragen vormen de basis van deze verkennende studie door Wageningen UR – AFSG en Van Hall Larenstein, uitgevoerd voor het programma Voeding en Gezondheid van de Groene Kennis Coöperatie (GKC)
Oranje cassave tegen ondervoeding
Brouwer, I.D. - \ 2008
Kennis Online 5 (2008)dec. - p. 11 - 11.
ondervoeding - voedingsstoffenopname (mens en dier) - vitaminetekorten - cassave - undernutrition - nutrient intake - vitamin deficiencies - cassava
De halve wereldbevolking krijgt te weinig vitaminen en mineralen binnen. Internationaal proberen wetenschappers in basisgewassen als rijst, maïs en cassave het niveau van vitamine A, zink en ijzer te verhogen. Wageningse onderzoekers kijken naar de opname van de stofjes
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