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Lupin kernel fibre-enriched foods beneficially modify serum lipids in men



To examine the effect of a diet containing a novel legume food ingredient, Australian sweet lupin (Lupinus angustifolius) kernel fibre (LKFibre), compared to a control diet without the addition of LKFibre, on serum lipids in men.


Randomized crossover dietary intervention study.


Melbourne, Australia — Free-living men.


A total of 38 healthy males between the ages of 24 and 64 y completed the intervention.


Subjects consumed an LKFibre and a control diet for 1 month each. Both diets had the same background menus with seven additional experimental foods that either contained LKFibre or did not. Depending on energy intake, the LKFibre diet was designed to contain an additional 17 to 30 g/day fibre beyond that of the control diet.


Compared to the control diet, the LKFibre diet reduced total cholesterol (TC) (mean±s.e.m.; 4.5±1.7%; P=0.001), low-density lipoprotein cholesterol (LDL-C) (5.4±2.2%; P=0.001), TC: high-density lipoprotein cholesterol (HDL-C) (3.0±2.0%; P=0.006) and LDL-C:HDL-C (3.8±2.6%; P=0.003). No effects on HDL-C, triacylglycerols, glucose or insulin were observed.


Addition of LKFibre to the diet provided favourable changes to some serum lipid measures in men, which, combined with its high palatability, suggest this novel ingredient may be useful in the dietary reduction of coronary heart disease risk.


Grains Research and Development Corporation, Australian Research Council and the Department of Agriculture Western Australia.

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We are grateful to Food Science Australia for manufacturing the LKFibre and to George Weston Foods for producing the experimental food products and conducting nutritional analyses of these foods. We thank Carl Gibbons for database construction, Iain Robertson for conducting the statistical analysis of biochemical parameters and Damien Jolley for assisting with statistical interpretation. We are indebted to the study participants for their commitment to the study protocol.

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Correspondence to S K Johnson.

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Guarantors: SK Johnson.

Contributors: RSH, SKJ and MJB were responsible for the design of this study; RSH and ALB performed subject recruitment, selection, development of research diets and management of feeding trials; RSH and SKJ interpreted the data and drafted the manuscript and MJB reviewed and edited the manuscript.

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Hall, R., Johnson, S., Baxter, A. et al. Lupin kernel fibre-enriched foods beneficially modify serum lipids in men. Eur J Clin Nutr 59, 325–333 (2005).

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