OLIVE OIL
CAN PROTECT BONES
A
diet enriched with olive oil can help preserve bone strength, a new study has
claimed. Researchers from Hospital Dr. Josep Trueta in Girona, Spain found that
consumption of a Mediterranean diet enriched with olive oil for two years is
associated with increased bone formation markers, suggesting a protective
effect on bone.“The intake of olive oil has been related to the prevention of
osteoporosis in experimental and in vitro models,” Jose Manuel Fernandez-Real,
lead author of the study said.“This is the first randomised study, which
demonstrates that olive oil preserves bone, at least as inferred by circulating
bone markers, in humans,” Jose said in a statement.
The
participants in this study were 127 community-dwelling men aged 55 to 80 years
randomly selected from one of the Prevencion con Dieta Mediterranea (PREDIMED)
study centres, who had at least two years of follow-up.Participants were
randomly assigned to three intervention groups: Mediterranean diet with mixed
nuts, Mediterranean diet with virgin olive oil, and a low-fat diet.Biochemical
measurements of osteocalcin, glucose, total cholesterol, HDL-cholesterol and
triglycerides were performed at baseline and after two year follow-up on
fasting blood samples.Researchers found that only consumption of the
Mediterranean diet with olive oil was associated with a significant increase in
the concentrations of total osteocalcin and other bone formation markers.
There
were also no significant changes in serum calcium in subjects taking olive oil
whereas serum calcium decreased significantly in the other two groups.The study
will be published in the Endocrine Society’s Journal of Clinical
Endocrinology and Metabolism (JCEM).Olive oil, osteoporosis
Prof. John Kurakar
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