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Samples of 4 commercially available bowel cleansing solutions, namely PEG-electrolyte + ascorbic acid (PEG-Asc, Moviprep®, Norgine, UK), PEG-electrolyte (PEG, Fortrans® Ibsen, France), sodium picosulfate/magnesium citrate (SPS, Picoprep®, Ferring, Switzerland), and oral sodium sulfate (OSS, Izinova®, Ibsen, France) were prepared according to the manufacturer's instructions. Descriptive analysis was conducted with trained panelists (N= 14) to create a sensory profile for the solutions and generated attributes were rated on an unstructured 15-cm line scale using the Compusense at-hand® (Guelph, Canada) sensory evaluation software. Acceptability testing was carried out with untrained participants (N=80) and samples were rated on the 9-point hedonic scale. Moreover, a Just-About-Right (JAR) scale was included for the four basic tastes to determine their compatibility with optimum taste/acceptability levels in the products.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Descriptive analysis | Other | panelists were asked to rate different sensory attributes for different laxative bowel cleansing solutions on a 15 cm line scale. |
|
| Acceptability test | Other | panelists were asked to rate the acceptability of different laxative bowel cleansing solutions using the 9-point hedonic scale. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Descriptive analysis | Behavioral | subjects were asked to assess the sensory profile by tasting the laxative bowel cleansing solutions, namely: Moviprep, picoprep, fortrans and isinova |
| Measure | Description | Time Frame |
|---|---|---|
| rating of sensory attributes | participants attended 4 training sessions during which they generated sensory descriptive attributes specific for the tasted laxative solutions. In addition, they evaluated the laxative samples by rating generated attributes on a 15-cm unstructured line scale using compusense at-hand sensory evaluation software. | 3 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Acceptability Score | untrained participants evaluated the laxative samples for acceptability testing using the 9-point hedonic scale. | 1 week |
| Just about right score | Participants evaluated the laxative samples for the 4 basic tastes (saltiness, sourness, sweetness and bitterness) to determine their compatibility with optimum taste levels in the products. |
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Inclusion Criteria:
Exclusion Criteria:
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| acceptability test | Behavioral | subjects were asked to assess the acceptability of the laxative bowel cleansing solutions, namely: Moviprep, picoprep, fortrans and isinova |
|
| 1 week |