Influence on Food Liking of Adding Spices to Replace Sugar Using CLT

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-10-17

Study Completion Date

2016-12-09

Brief Summary

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This study aims to reduce the amount of sugar in a particular food item and add spices to see if the food liking of that item rates as high or higher in a post meal survey. Through taste testing of the menu items (using sequential monadic CLT methodology) the investigators will determine an opinion of the participants. Results of these surveys will determine whether participants enjoy the reduced sugar options as much as their full sugar counterparts.

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Detailed Description

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The investigators will compare the overall consumer acceptability of each of three test items (tea, oatmeal and apple crisp) across the three test conditions using central location test (CLT) and cross-over design. The three test conditions for each test item will be (1) Full sugar ("FS"), (2) reduced sugar (and calorie) with no added spice ("RS") and (3) reduced sugar (and calorie) plus spice ("RSS"). The two reduced sugar items will be matched for calories. Subjects will be provided the test items using sequential monadic CLT methodology (Central Location Test methodology which involves product evaluation after a brief exposure (one sample-subject contact) under standardized conditions whereby subjects are given each of the 3 recipes of each test item (e.g., oatmeal with full sugar, oatmeal with reduced sugar, oatmeal with reduced plus spice) back to back (all within one sitting) in a random order. The investigators are interested in using the sequential monadic CLT methodology and having subjects taste all 3 recipes of each item in one sitting which is a commonly used test modality for sensory studies.

Conditions

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Normal Subjects Who Agree to Participate in Taste Testing

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Subjects were asked to taste test 3 versions of test items (in randomized order) and provide a liking score for each.

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

Subjects were blind to the differences in recipes when taste testing.

Study Groups

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full sugar recipe

Each subject was randomly assigned to one of six possible sequences to taste three recipes of each test item (apple crisp, tea and oatmeal). The three recipes were full sugar recipe (FS), reduced sugar recipe (RS) and reduced sugar plus spice recipe (RSS). Each subject was randomly assigned to one of the below sequence schedules for each taste test whereby A, B, and C refer to one of the three recipes (FS, RS, or RSS):

Sequence 1: A, B, C Sequence 2: A, C, B Sequence 3: B, A, C Sequence 4: B, C, A Sequence 5: C, A, B Sequence 6: C, B, A

Group Type ACTIVE_COMPARATOR

Apple Crisp

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of apple crisp in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Tea

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of tea in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Oatmeal

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe of oatmeal in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

reduced sugar recipe

Each subject was randomly assigned to one of six possible sequences to taste three recipes of each test item (apple crisp, tea and oatmeal). The three recipes were full sugar recipe (FS), reduced sugar recipe (RS) and reduced sugar plus spice recipe (RSS). Each subject was randomly assigned to one of the below sequence schedules for each taste test whereby A, B, and C refer to one of the three recipes (FS, RS, or RSS):

Sequence 1: A, B, C Sequence 2: A, C, B Sequence 3: B, A, C Sequence 4: B, C, A Sequence 5: C, A, B Sequence 6: C, B, A

Group Type EXPERIMENTAL

Apple Crisp

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of apple crisp in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Tea

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of tea in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Oatmeal

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe of oatmeal in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

reduced sugar plus spice recipe

Each subject was randomly assigned to one of six possible sequences to taste three recipes of each test item (apple crisp, tea and oatmeal). The three recipes were full sugar recipe (FS), reduced sugar recipe (RS) and reduced sugar plus spice recipe (RSS). Each subject was randomly assigned to one of the below sequence schedules for each taste test whereby A, B, and C refer to one of the three recipes (FS, RS, or RSS):

Sequence 1: A, B, C Sequence 2: A, C, B Sequence 3: B, A, C Sequence 4: B, C, A Sequence 5: C, A, B Sequence 6: C, B, A

Group Type EXPERIMENTAL

Apple Crisp

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of apple crisp in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Tea

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of tea in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Oatmeal

Intervention Type OTHER

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe of oatmeal in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Interventions

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Apple Crisp

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of apple crisp in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Intervention Type OTHER

Tea

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe) of tea in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Intervention Type OTHER

Oatmeal

Subjects tasted the three recipes (full sugar recipe, reduced sugar recipe, and reduced sugar plus spice recipe of oatmeal in a randomized sequence schedule. Tastings for each test item (apple crisp, tea and oatmeal) were done during separate weeks. Subjects tasted each recipe of an item at one sitting (ie: subject completed apple crisp tastings during one seating during first week, oatmeal tastings during one seating the next week and tea tastings during one seating the next and final week).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

-ages 18-65

Exclusion Criteria

* diagnosed taste or sensory disorder
* known eating disorder
* allergies to test food/ingredients
* medical conditions that may adversely affect taste (ie: dysgeusia)
* inability to complete protocol or to participate in all three taste testing sessions
* personal dietary restrictions towards test items
* dislike of the particular food items to be served in taste tests
* subjects who do not consume foods or beverages that contain sugar or to which they have added sugar will be excluded
* subjects who have not consumed or would not be willing to consume hot tea, oatmeal or baked apple products will be excluded
* subjects who are pregnant or trying to become pregnant will be excluded

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes