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Nutrition. 2010 Jul-Aug;26(7-8):799-803. doi: 10.1016/j.nut.2009.07.013.

Gastrointestinal tolerance to an inulin-rich soluble roasted chicory extract after consumption in healthy subjects.

Author information

1
Naturalpha SAS, Loos, France.

Abstract

OBJECTIVES:

We aimed to assess in healthy subjects 1) the effect of two doses of a new naturally inulin-rich soluble chicory extract (IRSCE) on overall gastrointestinal discomfort after short-term ingestion and 2) the effect on gastrointestinal symptoms of long-term consumption of IRSCE administered at a dose compatible with its future commercial use.

METHODS:

First, the effect of IRSCE was assessed on overall gastrointestinal discomfort in a double-blind, crossover study where 18 subjects received in a randomized order a morning coffee drink including 10 g of sucrose alone (control period) or with IRSCE at two doses (8.9 and 14.0 g containing 5.0 and 7.8 g of inulin, respectively) during three consecutive 6-d periods. Second, 35 subjects were followed during a randomized, double-blind protocol where they were asked to take twice a day an instant coffee drink containing IRSCE (8.1 g/d containing inulin 5.0 g/d) or sucrose 8.1 g/d during 4 wk. The effects of the treatment on flatulence, bloating, abdominal pain, stool consistency, and number were recorded.

RESULTS:

In the first study a significant slight increase (P = 0.05) in overall abdominal discomfort was observed with the morning coffee drink containing 7.8 g of inulin after 1 wk of consumption. In the second study, no significant differences between the IRSCE and placebo groups were evidenced with respect to gastrointestinal symptoms during the consumption period.

CONCLUSION:

Short- and long-term consumptions of IRSCE, given at a daily dose containing 5 g of inulin, are well tolerated by healthy subjects.

PMID:
19931416
DOI:
10.1016/j.nut.2009.07.013
[Indexed for MEDLINE]

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