A study analyzing if a healthy diet improves the taste preference profile and flavor perceptio

Not Applicable

• Conditions: Improving flavor perception and preferences in the general population; Not Applicable

• Registration Number: ISRCTN14827027
• Lead Sponsor: niversity of Valencia

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2021-12-13
• Last Update Posted: 22 July 2024
• Study Completion: 2025-01-01

Recruitment & Eligibility

• Status: Ongoing
• Sex: All
• Target Recruitment: 200

Inclusion Criteria

1. Adults from the general population (50% women)
2. Age range of 25 to 75 years
3. Body mass index (BMI) of 25 to 35 kg/m²

Exclusion Criteria

Those individuals who do not meet the inclusion criteria or who present the following conditions:
1. Allergy to the tastants or to any food recommended in the healthy dietary pattern
2. Pregnant or lactating women
3. Infectious diseases
4. Kidney or liver diseases
5. Cancer
6. Other relevant pathologies that could bias the study

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Measured at baseline and 6 months:<br>1. Flavor preferences (all the tastes and selected odors will be measured using the 9-item hedonic scales)<br>2. Taste perception: intensity rating test with prototypic tastants for (bitter, sweet, sour, umami, and salty) at different concentrations will be carried out in the laboratory<br>3. Odor perception tests using the NHANES Odor Test (US National Health and Nutrition Examination Survey) protocol

Secondary Outcome Measures

Name	Time	Method
1. Anthropometric measures (by bioimpedance) at baseline and 6 months in both groups.<br>2. Blood pressure and heart rate parameters, at baseline and after 6 months in both groups by standard procedures<br>3. The level of adherence to the Mediterranean Diet through the 17-ite questionnaire at baseline and at 6 months.<br>4. Food intake (by a FFC) at baseline and 6 months.<br>5. Physical activity measured using the short form of the Minnesota physical activity questionnaire at baseline.<br>6. Sleep characteristics measured using the Pittsburgh Sleep Quality Index questionnaire at baseline and at 6 months.<br>7. Chronotype at baseline, measured using the Horne and Östberg questionnaire.<br>8. Cognitive tests, measuring semantic and phonemic verbal capacity and average executive control, the Controlled Oral Word Association Test (COWAT), and the memory alteration test (T @ M) at baseline and after 6 months.<br>9. Quality of life (SF-36 or SF-12) at baseline and after 6 months.