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Groente en fruit ook goed voor gezonde botten
Uit een voorlopig onderzoek blijkt dat het voldoende eten van
groente en fruit ook goed kan zijn voor een hogere botdichtheid.
Fruit and vegetable consumption
and bone mineral density: the Northern Ireland Young Hearts Project1,2,3
Claire P
McGartland, Paula J Robson, Liam J Murray, Gordon W Cran, Maurice J Savage,
David C Watkins, Madeleine M Rooney and Colin A Boreham
1 From the Northern Ireland Center for Food and Health, University of Ulster,
Coleraine, United Kingdom (CPMcG and PJR); the Department of Epidemiology and
Public Health (LJM and GWC) and the Department of Child Health (MJS and DCW),
Queen’s University, Belfast, United Kingdom; Rheumatology Department, Musgrave
Park Hospital, Belfast, United Kingdom (MMR); and the School of Applied Medical
Sciences and Sports Studies, University of Ulster, Jordanstown, United Kingdom
(CAB).
Background: Studies examining the
relation between bone mineral density (BMD) and fruit and vegetable
consumption during adolescence are rare.
Objective: Our objective was to
determine whether usual fruit and vegetable intakes reported by
adolescents have any influence on BMD.
Design: BMD was measured by
dual-energy X-ray absorptiometry at the nondominant forearm and
dominant heel in a random sample of 12-y-old boys (n = 324),
12-y-old girls (n = 378), 15-y-old boys (n = 274), and
15-y-old girls (n = 369). Usual fruit and vegetable
consumption was assessed by an interviewer-administered diet history
method. Relations between BMD and fruit and vegetable intake were
assessed by using regression modeling.
Results: Using multiple linear
regression to adjust for the potential confounding influence of
physical and lifestyle factors, we observed that 12-y-old girls
consuming high amounts of fruit had significantly higher heel BMD (ß
= 0.037; 95% CI: 0.017, 0.056) than did the moderate fruit consumers.
No other associations were observed.
Conclusion: High intakes of fruit
may be important for bone health in girls. It is possible that
fruit’s alkaline-forming properties mediate the body’s acid-base
balance. However, intervention studies are required to confirm the
findings of this observational study. American Journal of Clinical Nutrition, Vol. 80, No. 4, 862-867, October
2004