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Type: Journal article
Title: Effect of a lacto-ovo vegetarian diet on fasting small intestinal motility
Author: Andrews, J.
Doran, S.
Di Matteo, A.
Leong, L.
MacIntosh, C.
Chiu, C.
Read, N.
Fraser, R.
Citation: Scandinavian Journal of Gastroenterology, 2001; 36(10):1037-1043
Publisher: Taylor & Francis As
Issue Date: 2001
ISSN: 0036-5521
Statement of
J. M. Andrews, S. M. Doran, A. C. Di Matteo, L. Leong, C. Macintosh, Chun-Jen Chiu, N. W. Read & R. J. Fraser
Abstract: Background: Changes in diet can alter gastric and small intestinal (SI) motility. The effects of a vegetarian diet on fasting SI motility are unknown. Methods: Manometric studies were performed in 9 lacto-ovo vegetarians (7 women) and 9 omnivores (7 women) of similar age and body mass index. On each study day, manometry was used to assess SI motility for 5 h, or 3 complete cycles of the interdigestive motor complex (IDMC). Lacto-ovo vegetarians were studied once; omnivores were studied twice, on their usual diet, and after consuming a 14–day lacto-ovo vegetarian diet. Diet diaries were kept for 5 days prior to each manometric study. Data were analysed for dietary composition and for cycle length and duration of each phase (I, II and III) of the IDMC. Results: Dietary intake did not differ between chronic vegetarians and chronic omnivores apart from a trend to higher . bre intake (29 ± 3 versus 20 ± 3 g/day; P = 0.058). Omnivores eating a vegetarian diet showed a trend to decreased alcohol consumption (P = 0.068), but did not increase their . bre intake (20 ± 3 versus 21 ± 3 g/day). Neither cycle length nor duration of each IDMC phase differed between chronic vegetarians and chronic omnivores. After 14 days of a vegetarian diet, omnivores had a reduction in cycle length (128 ± 19 versus 86 ± 12 min; P = 0.02), with a non-signi. cant reduction of Phase II (99 ± 20 versus 50 ± 8 min; P = 0.066). Conclusions: A chronic vegetarian diet has no major effect on fasting SI motility; but acute dietary change may alter the cycle length and component phases of the IDMC
Keywords: Fibre intake
interdigestive motor complex
Phase I
Phase II
Phase III
vegetarian diet
Rights: © 2001 Taylor & Francis
DOI: 10.1080/003655201750422620
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