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Wiley InterScience | ||
![]() Journal of Human Nutrition and DieteticsVolume 2 Issue 2, Pages 105 - 116 Published Online: 28 Mar 2008 © 2010 The British Dietetic Association Published on behalf of the British Dietetic Association
Abstract | References | Full Text: PDF (Size: 913K) | Related Articles | Citation Tracking The problem of rickets in UK Asians Copyright 1989 British Dietetic Association KEYWORDS Asian rickets • vitamin D • sunlight • Pigmentation • enterohepatic circulation • Phytate • cereals • calcium metabolism disorders • 25-hydroxyvitamin D • hyperparathyroidism • 1 • 25-dihydroxyvitamin D ABSTRACTA large body of work relating to the occurrence of rickets in UK Asians is reviewed. Several theories of the aetiology of this condition are shown to be untenable: it is not exclusively a function of sunlight deprivation or of darker pigmentation; nor is it simply due to phytate-induced losses of calcium from the gut. Asian rickets, however, is associated with a high consumption of cereals, and experiments with rats have suggested a mechanism. In the absence of adequate vitamin D from sunlight, the low-calcium, high cereal intake of the UK Asian population may induce a state of mild secondary hyperparathyroidism which enhances the destruction of vitamin D and leads to a progressive reduction in vitamin D status and, ultimately, to the development of clinical rickets. |