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Does the inclusion of moderate amounts of red meat in the diet of exercising older women impact on faecal markers of bowel health, including faecal lactoferrin?

Smith, S., Muir, J.G. and Cameron-Smith, D. 2007, Does the inclusion of moderate amounts of red meat in the diet of exercising older women impact on faecal markers of bowel health, including faecal lactoferrin?, in NZNS & NSA 2007 : Joint New Zealand Nutrition Society and Nutrition Society of Australia Annual Scientific Meeting, Nutrition Society of Australia, Kent Town, S. Aust..

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Title Does the inclusion of moderate amounts of red meat in the diet of exercising older women impact on faecal markers of bowel health, including faecal lactoferrin?
Author(s) Smith, S.
Muir, J.G.
Cameron-Smith, D.
Conference name New Zealand Nutrition Society and Nutrition Society of Australia. Joint Scientific Meeting (31st : 2007 : Auckland, New Zealand)
Conference location Auckland, N.Z.
Conference dates December 5th – 8th 2007
Title of proceedings NZNS & NSA 2007 : Joint New Zealand Nutrition Society and Nutrition Society of Australia Annual Scientific Meeting
Editor(s) [Unknown]
Publication date 2007
Conference series New Zealand Nutrition Society and Nutrition Society of Australia Meeting
Publisher Nutrition Society of Australia
Place of publication Kent Town, S. Aust.
Summary Background: High intakes of red meat may be associated with increased risk of colorectal cancer (CRC), however, to determine CRC risk, it is important to assess faecal changes related to protein and carbohydrate metabolism.

Objective
: To determine the influence of three weekly meals rich in red meat as opposed to a carbohydrate control diet on faecal markers which are involved in the aetiology of CRC.

Design: Twenty post-menopausal women (aged 60-75) undertook, 3 times a week for 12 weeks, a 30 minute exercise session followed immediately by a cooked meal that was high in lean red meat, low in carbohydrate (n= 10) or low in lean red meat, high in carbohydrate (n=10). Dietary fibre intake and macronutrients were kept constant. At the beginning and end of the study, three-day faecal samples were collected and by-products of protein fermentation and carbohydrate metabolism, undigested fibre residues, and faecal output and colonic bacterial microbiota changes measured.

Outcomes: No significant differences were observed in subjects on either diet when comparing faecal output, faecal pH, other faecal markers, nor faecal lactoferrin. There was a trend observed in changes in the population of colonic microbiota using FISH analysis. Bacteroides spp. and Prevotella spp. appeared to decrease in women consuming a high red meat diet compared with an increase in women consuming a high carbohydrate diet.

Conclusions
: In this pilot study the trend in colonic microbiota change is interesting and suggests that dietary influence of colonic microbiota, especially changes in Bacteroidetes, may be indicative of risk of gut damage and disease compared to other faecal markers.
Notes Abstract found in Asia Pacific Journal of Clinical Nutrition : Vol. 16(Suppl 3): S109 (http://apjcn.nhri.org.tw/server/APJCN/ProcNutSoc/2000+/2007/2007.htm)
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ISSN 0314-1004
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category E1.1 Full written paper - refereed
Copyright notice ©2007, Nutrition Society of Australia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021580

Document type: Conference Paper
Collections: School of Exercise and Nutrition Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.