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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05534152
Other study ID # UREC 181174
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 1, 2018
Est. completion date March 15, 2020

Study information

Verified date September 2023
Source Oxford Brookes University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Sumac, is a spice that is widely used in Turkish, Iranian and Middle Eastern foods. In these regions, the fruit of sumac is used for seasoning or flavouring, as an appetizer and for souring food. This spice has also been used in herbal folk medicine to relieve certain conditions including bowel disorders, anorexia and indigestion. In addition, many studies have shown that sumac contains a high level of antioxidant activity and polyphenol content that may benefit certain diseases such as cancer and diabetes. The aim of this study was to assess the level of the appetite and food intake among young adults in comparison with free living older adults following the consumption of sumac. This was achieved by assessing the amount of food intake during a lunch course and the impact on food intake for the subsequent 12 hours.


Description:

Rhus coriaria Linn, also known as Sumac, is a spice that is widely used in Turkish, Iranian and Middle Eastern foods. In these regions, the fruit of sumac is used for seasoning or flavouring, as an appetizer and for souring food. This spice has also been used in herbal folk medicine to relieve certain conditions including bowel disorders, anorexia and indigestion. In addition, many studies have shown that sumac contains a high level of antioxidant activity and polyphenol content that may benefit certain diseases such as cancer and diabetes. Taste and smell perception may play a vital role in food preference, nutrient intake and appetite; however, both ageing and disease can have a negative impact on these senses. It has been suggested that by 2025 the older adult population (i.e. those aged 60years and over) worldwide will rapidly increase and reach 1.12 billion. One of the major physiological changes in this age group is the loss or reduction in sensory perception including smell and taste. These changes as a result of ageing and medication increase the risk of poor health by reducing the enjoyment of food followed by decreasing food and nutrient intake. It is possible, therefore, that all these factors together may lessen the enjoyment of food, leading to malnutrition and disease complications. In light of the above, the aim of this study was to assess the level of the appetite and food intake among young adults in comparison with free living older adults following the consumption of sumac. This was achieved by assessing the amount of food intake during a lunch course and the impact on food intake for the subsequent 12 hours. This study assessed the use of sumac at 1% dose (0.37g) of total volume of a vegetable soup (150g), in two forms: 1) added to finished cooked soup 2) added to the soup from the beginning of the cooking process, in addition to consumption of the same soup without added sumac as the control soup. The study comprised of 20 young adults (18-35 years old) and 20 free living older adults aged >65 years. Each participant in these groups attended the Oxford Brookes Centre for Nutrition and Health (OxBCNH) for three sessions and each session lasted up to one hour.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date March 15, 2020
Est. primary completion date February 28, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: - • Adults, aged >65 years - Adults, 18-35 years - No allergy to any herbs and spices - No allergy to vegetables including celery and tomato - Non-smoker - Do not have a cold or hay fever (on test day) - No medication that may affect the sensory taste such as: antibiotics, antihistamines and decongestants, anti-inflammatory agents, and muscle relaxants (Bromley, 2000) - Ability to read and understand written information in English - Ability to attend, stand and sit for up to one hour - The normal level of capability of functional activity (i.e. traveling out to the neighbourhood, shopping alone) - Not diagnosed with Dementia Exclusion Criteria: - Disease that may affect the taste and smell sensation including local chronic or acute inflammatory nasal disease and oral and perioral infections

Study Design


Related Conditions & MeSH terms


Intervention

Other:
sumac
1% iranian brown sumac

Locations

Country Name City State
United Kingdom Oxford Brookes Centre for Nutrition and Health Oxford

Sponsors (1)

Lead Sponsor Collaborator
Oxford Brookes University

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Energy intake in kilojoules and kilocalories Energy intake at an ad libitum lunch after the soup and for the rest of the day using Nutritics dietary assessment software. 9 hours
Primary Carbohydrate intake in grams Carbohydrate intake at an ad libitum lunch after the soup and for the rest of the day using Nutritics dietary assessment software. 9 hours
Primary Protein intake in grams Protein intake at an ad libitum lunch after the soup and for the rest of the day using Nutritics dietary assessment software. 9 hours
Primary Fat intake in grams Fat intake at an ad libitum lunch after the soup and for the rest of the day using Nutritics dietary assessment software. 9 hours
Primary Amount of food consumed at lunch in grams Amount of food (pasta) consumed in grams at the ad libitum lunch 9 hours
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