Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/69286
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Type: Journal article
Title: Egg consumption as part of an energy-restricted high-protein diet improves blood lipid and blood glucose profiles in individuals with type 2 diabetes
Author: Pearce, K.
Clifton, P.
Noakes, M.
Citation: British Journal of Nutrition, 2011; 105(4):584-592
Publisher: C A B I Publishing
Issue Date: 2011
ISSN: 0007-1145
1475-2662
Statement of
Responsibility: 
Karma L. Pearce, Peter M. Clifton, and Manny Noakes
Abstract: The role of dietary cholesterol in people with diabetes has been little studied. We investigated the effect of a hypoenergetic high-protein high-cholesterol (HPHchol) diet compared to a similar amount of animal protein (high-protein low-cholesterol, HPLchol) on plasma lipids, glycaemic control and cardiovascular risk markers in individuals with type 2 diabetes. A total of sixty-five participants with type 2 diabetes or impaired glucose tolerance (age 54·4 (sd 8·2) years; BMI 34·1 (sd 4·8) kg/m2; LDL-cholesterol (LDL-C) 2·67 (sd 0·10) mmol/l) were randomised to either HPHchol or HPLchol. Both hypoenergetic dietary interventions (6–7 MJ; 1·4–1·7 Mcal) and total carbohydrate:protein:fat ratio of 40:30:30 % were similar but differed in cholesterol content (HPHchol, 590 mg cholesterol; HPLchol, 213 mg cholesterol). HPHchol participants consumed two eggs per d, whereas HPHchol participants replaced the eggs with 100 g of lean animal protein. After 12 weeks, weight loss was 6·0 (sd 0·4) kg (P < 0·001). LDL-C and homocysteine remained unchanged. All the subjects reduced total cholesterol ( − 0·3 (sd 0·1) mmol/l, P < 0·001), TAG ( − 0·4 (sd 0·1) mmol/l, P < 0·001), non-HDL-cholesterol (HDL-C, − 0·4 (sd 0·1) mmol/l, P < 0·001), apo-B ( − 0·04 (sd 0·02) mmol/l, P < 0·01), HbA1c ( − 0·6 (sd 0·1) %, P < 0·001), fasting blood glucose ( − 0·5 (sd 0·2) mmol/l, P < 0·01), fasting insulin ( − 1·7 (sd 0·7) mIU/l, P < 0·01), systolic blood pressure ( − 7·6 (sd 1·7) mmHg, P < 0·001) and diastolic blood pressure ( − 4·6 (sd 1·0) mmHg; P < 0·001). Significance was not altered by diet, sex, medication or amount of weight loss. HDL-C increased on HPHchol (+0·02 (sd 0·02) mmol/l) and decreased on HPLchol ( − 0·07 (sd 0·03) mmol/l, P < 0·05). Plasma folate and lutein increased more on HPHchol (P < 0·05). These results suggest that a high-protein energy-restricted diet high in cholesterol from eggs improved glycaemic and lipid profiles, blood pressure and apo-B in individuals with type 2 diabetes.
Keywords: Type 2 diabetes; Lipid profiles; Blood glucose; Weight-reducing diets; Eggs
Rights: Copyright © The Authors 2010
RMID: 0020103225
DOI: 10.1017/S0007114510003983
Appears in Collections:Physiology publications

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