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Investigating Consumers Perception and Acceptance of Whey Beverages

Primary Purpose

Individual Difference, Food Sensitivity, Food Preferences

Status
Completed
Phase
Not Applicable
Locations
United Kingdom
Study Type
Interventional
Intervention
Liquid Model
Sponsored by
University of Reading
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional other trial for Individual Difference focused on measuring Mouthdrying, Saliva Flow, Mucoadhesion, Oral Nutritional Supplements

Eligibility Criteria

18 Years - 30 Years (Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Healthy
  • No food allergies or intolerances
  • Non smokers

Exclusion Criteria:

  • Taking prescribed medication that could influence study outcomes (such as saliva flow)
  • Relevant food allergies or intolerances
  • Outside age criteria
  • Cancer
  • Had oral surgery or a stroke
  • Smoker
  • Diabetic
  • Anyone who currently has COVID-19 symptoms or who has had COVID-19 within the last 4 weeks

Sites / Locations

  • Sensory Science Centre, Department of Food and Nutritional Science, University of Reading, Reading, Berkshire, United Kingdom

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

Protein Beverage

Control Beverage

Arm Description

Whey Protein Beverage

Whey Permeate Beverage

Outcomes

Primary Outcome Measures

Mucoadhesion and Mouthdrying
Following swallowing of different whey beverage samples (whey protein / whey permeate), volunteers will be asked either to rate samples for mouthdrying or to spit their saliva into a tube at specific timepoints (15s & 60s) with appropriate rest periods. The rating and spitting times will be set within a balanced order protocol.

Secondary Outcome Measures

Mouthdrying from whey beverages
Perceived mouth drying from whey beverages (whey permeate / whey protein) using data from sensory methods (rating drying as well as discrimination tests "which is the stronger in drying"). Scale for scoring is the gLMS scale (general linear magnitude scale); higher value is worse outcome.
Manipulating saliva flow and mouthdrying from whey beverages
Volunteers will be asked to manipulate their saliva flow and consume whey beverages (whey permeate / whey protein) and score perceived mouth drying (data will be collected from sensory methods (rating drying as well as discrimination tests "which is the stronger in drying")
Saliva collection
Salivary flow rates from unstimulated and stimulated saliva samples.

Full Information

First Posted
July 25, 2020
Last Updated
March 11, 2021
Sponsor
University of Reading
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1. Study Identification

Unique Protocol Identification Number
NCT04507399
Brief Title
Investigating Consumers Perception and Acceptance of Whey Beverages
Official Title
Investigating Consumers Perception and Acceptance of Whey Beverages
Study Type
Interventional

2. Study Status

Record Verification Date
March 2021
Overall Recruitment Status
Completed
Study Start Date
August 6, 2020 (Actual)
Primary Completion Date
September 10, 2020 (Actual)
Study Completion Date
September 10, 2020 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
University of Reading

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
Brief Summary: This study aims to investigate whether protein fortification of beverages causes mouthdrying and mucoadhesion and whether this is influenced by saliva flow.
Detailed Description
To investigate whether whey protein beverages causes mouthdrying and reduces acceptability compared with a control beverage (whey permeate beverage) and to determine whether manipulating salivary flow rates influences mouthdrying. To determine whether mucoadhesion is a probable cause of mouthdrying.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Individual Difference, Food Sensitivity, Food Preferences
Keywords
Mouthdrying, Saliva Flow, Mucoadhesion, Oral Nutritional Supplements

7. Study Design

Primary Purpose
Other
Study Phase
Not Applicable
Interventional Study Model
Crossover Assignment
Model Description
This study involves both a crossover design where each participant tastes both the control product and the protein fortified product with an appropriate break between the two sessions. The study will be conducted single blind as it not feasible to blind the researcher. Each participant will attend 2 study visits and all foods will be presented with random blinding codes.
Masking
Participant
Allocation
Randomized
Enrollment
40 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Protein Beverage
Arm Type
Experimental
Arm Description
Whey Protein Beverage
Arm Title
Control Beverage
Arm Type
Experimental
Arm Description
Whey Permeate Beverage
Intervention Type
Behavioral
Intervention Name(s)
Liquid Model
Intervention Description
To study the perception of whey beverages using sensory methods (rating drying as well as discrimination tests "which is the stronger in drying") Measuring mucoadhesion via protein content remaining in saliva following swallowing of whey protein and whey permeate beverages.
Primary Outcome Measure Information:
Title
Mucoadhesion and Mouthdrying
Description
Following swallowing of different whey beverage samples (whey protein / whey permeate), volunteers will be asked either to rate samples for mouthdrying or to spit their saliva into a tube at specific timepoints (15s & 60s) with appropriate rest periods. The rating and spitting times will be set within a balanced order protocol.
Time Frame
Saliva collection and mouthdrying scoring throughout visits, 2 days
Secondary Outcome Measure Information:
Title
Mouthdrying from whey beverages
Description
Perceived mouth drying from whey beverages (whey permeate / whey protein) using data from sensory methods (rating drying as well as discrimination tests "which is the stronger in drying"). Scale for scoring is the gLMS scale (general linear magnitude scale); higher value is worse outcome.
Time Frame
1 day (Sampled at study visit one)
Title
Manipulating saliva flow and mouthdrying from whey beverages
Description
Volunteers will be asked to manipulate their saliva flow and consume whey beverages (whey permeate / whey protein) and score perceived mouth drying (data will be collected from sensory methods (rating drying as well as discrimination tests "which is the stronger in drying")
Time Frame
1 day (Sampled at study visit one)
Title
Saliva collection
Description
Salivary flow rates from unstimulated and stimulated saliva samples.
Time Frame
1 day (Sampled at study visit two)

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
30 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Healthy No food allergies or intolerances Non smokers Exclusion Criteria: Taking prescribed medication that could influence study outcomes (such as saliva flow) Relevant food allergies or intolerances Outside age criteria Cancer Had oral surgery or a stroke Smoker Diabetic Anyone who currently has COVID-19 symptoms or who has had COVID-19 within the last 4 weeks
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Lisa Methven
Organizational Affiliation
University of Reading
Official's Role
Principal Investigator
Facility Information:
Facility Name
Sensory Science Centre, Department of Food and Nutritional Science, University of Reading, Reading, Berkshire, United Kingdom
City
Reading
ZIP/Postal Code
RG66UR
Country
United Kingdom

12. IPD Sharing Statement

Plan to Share IPD
No
IPD Sharing Plan Description
No personal identification data will be shared. The study is not under an obligation to share data, however it is possible that some of the individual (unliked / non identifiable) data will be useful in a meta analysis and, hence sharing individual participant data (IPD) will be considered.
Citations:
PubMed Identifier
28260840
Citation
Bull SP, Hong Y, Khutoryanskiy VV, Parker JK, Faka M, Methven L. Whey protein mouth drying influenced by thermal denaturation. Food Qual Prefer. 2017 Mar;56(Pt B):233-240. doi: 10.1016/j.foodqual.2016.03.008.
Results Reference
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PubMed Identifier
24092277
Citation
Withers CA, Cook MT, Methven L, Gosney MA, Khutoryanskiy VV. Investigation of milk proteins binding to the oral mucosa. Food Funct. 2013 Nov;4(11):1668-74. doi: 10.1039/c3fo60291e.
Results Reference
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PubMed Identifier
26456531
Citation
Affoo RH, Foley N, Garrick R, Siqueira WL, Martin RE. Meta-Analysis of Salivary Flow Rates in Young and Older Adults. J Am Geriatr Soc. 2015 Oct;63(10):2142-51. doi: 10.1111/jgs.13652. Epub 2015 Oct 12.
Results Reference
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PubMed Identifier
24440265
Citation
Withers CA, Lewis MJ, Gosney MA, Methven L. Potential sources of mouth drying in beverages fortified with dairy proteins: A comparison of casein- and whey-rich ingredients. J Dairy Sci. 2014 Mar;97(3):1233-47. doi: 10.3168/jds.2013-7273. Epub 2014 Jan 17.
Results Reference
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Investigating Consumers Perception and Acceptance of Whey Beverages

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