Increased Intake of Selected Vegetables, Herbs and Fruit may Reduce Bone Turnover in Post-Menopausal WomenReportar como inadecuado




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1

School of Food and Nutrition, Massey Institute of Food Science and Technology, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand

2

Liggins Institute, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand

3

School of Population Health, University of Auckland, Auckland 1142, New Zealand





*

Author to whom correspondence should be addressed.



Abstract Increased consumption of vegetables-herbs-fruit may reduce bone turnover and urinary calcium loss in post-menopausal women because of increased intake of polyphenols and potassium, but comparative human studies are lacking. The main aim was to compare bone turnover markers and urinary calcium excretion in two randomised groups n = 50 of healthy post-menopausal women consuming ≥9 servings of different vegetables-herbs-fruit combinations three months. Group A emphasised a generic range of vegetables-herbs-fruit, whereas Group B emphasised specific vegetables-herbs-fruit with bone resorption-inhibiting properties Scarborough Fair Diet, with both diets controlled for potential renal acid load PRAL. Group C consumed their usual diet. Plasma bone markers, urinary electrolytes 24 h and estimated dietary PRAL were assessed at baseline and 12 weeks. Procollagen type I N propeptide PINP decreased −3.2 μg-L, p < 0.01 in the B group only, as did C-terminal telopeptide of type I collagen CTX −0.065 μg-L, p < 0.01 in women with osteopenia compared to those with normal bone mineral density BMD within this group. Intervention Groups A and B had decreased PRAL, increased urine pH and significantly decreased urinary calcium loss. Urinary potassium increased in all groups, reflecting a dietary change. In conclusion, Group B demonstrated positive changes in both turnover markers and calcium conservation. View Full-Text

Keywords: fruit; vegetables and herbs; bone resorption; bone formation; phytochemicals; potential renal acid load fruit; vegetables and herbs; bone resorption; bone formation; phytochemicals; potential renal acid load





Autor: Caroline Ann Gunn 1,2,* , Janet Louise Weber 1, Anne-Thea McGill 3 and Marlena Cathorina Kruger 1

Fuente: http://mdpi.com/



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