Glycaemic Response of Arabic Bread
This study explores how different types of Arabic bread impact blood sugar in people who are overweight or have obesity. Researchers are comparing traditional wheat bread with versions that include chickpea, pea, or lentil flour. The aim is to find out if adding these pulse flours can help slow down the rise in blood sugar that often happens after eating refined wheat products. This is important because managing blood sugar levels is key for overall health and can help reduce the risk of conditions like type 2 diabetes. Participants will try different breads, and their blood sugar will be monitored to see which bread types lead to a more stable blood sugar response. The main focus is on chickpea flour, with pea and lentil flours also being explored.
At a glance
What is this study about?
Bread is a common food worldwide, but many types, especially those made from refined flour, can cause blood sugar to rise quickly. This rapid sugar spike is linked to health concerns like type 2 diabetes. This study wants to see if changing the ingredients in Arabic bread can help manage blood sugar levels better. They are testing Arabic bread made with some wheat flour mixed with flours from chickpeas, peas, or lentils.
The main idea is that pulses (like chickpeas, peas, and lentils) are known to be good for you and might help keep blood sugar more steady than plain wheat flour. By replacing some of the wheat flour with these pulse flours, the researchers hope to create a bread that causes a slower, more controlled rise in blood sugar after eating it. This could be a simple way to make a common food healthier.
Ultimately, the study aims to understand if these new bread recipes could be a helpful dietary change for people globally, especially for those who are overweight or have obesity, to support better blood sugar management and general well-being. It's about finding healthier alternatives to everyday foods.
Key takeaways
- The study tests how different Arabic breads affect blood sugar.
- It compares regular wheat bread with breads including chickpea, pea, or lentil flour.
- The goal is to find breads that cause slower blood sugar rises.
- Participants need to be 18-65 and have overweight or obesity.
- This research could help develop healthier everyday foods.
- It involves four visits to the University of Nottingham with overnight fasting.
Who may be eligible?
To join this study, you need to be an adult between 18 and 65 years old and be living with overweight or obesity (meaning your BMI is above 25). You should also be able to understand and speak English well enough to follow instructions and fill out questionnaires.
However, there are reasons you might not be able to join. For example, if you have allergies to wheat, chickpeas, lentils, or peas, or if you have certain existing health conditions like diabetes, high blood pressure, or a fasting blood sugar level over 7.0 mmol/L. You also can't be taking medications that affect your blood sugar, or if you've recently had major surgery or been in another study with invasive tests.
Additionally, if you are pregnant or breastfeeding, or have any implanted medical devices like a pacemaker, you won't be able to participate. The study needs participants who are generally healthy, apart from being overweight or having obesity, to get clear results about how the bread affects blood sugar.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- Are you between 18 and 65 years old?
- Do you have overweight or obesity (BMI over 25)?
- Are you able to speak and understand English?
- Do you have any allergies to wheat, chickpeas, lentils, or peas?
- Do you have conditions like diabetes or high blood pressure?
- Are you pregnant or breastfeeding?
What does participation involve?
If you take part in this study, you will need to visit the University of Nottingham four separate times. Before each visit, you'll need to fast (not eat anything) for at least 10 hours overnight. On each visit, you will eat a different type of Arabic bread: one made fully from wheat, and three others that include chickpea, pea, or lentil flour mixed with wheat. There will be a one-week break between each visit.
During each visit, after you eat the bread, researchers will take small blood samples from your fingertip at different times over a 2-hour period (at 0, 15, 30, 60, 90, and 120 minutes) to check your blood sugar levels. You'll also be asked to fill out some short questionnaires to describe how full or hungry you feel, and to rate how much you liked the taste and texture of each bread right after eating it.
There are no medications involved, and the entire study involves these four visits, with no separate follow-up appointments after your last visit.
Potential risks and benefits
Locations (1)
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, United KingdomVerified postcodeNottingham, United Kingdom
Common questions
What is 'glycaemic response'?
It's simply how quickly and how much your blood sugar goes up after eating a certain food.
What is Arabic bread?
It's a common type of flatbread, often similar to a pita, traditionally made with wheat flour.
Why are chickpeas, peas, and lentils used?
These are pulses, which are known to help keep blood sugar more stable compared to refined wheat flour.
Do I need to change my diet for the study?
You'll need to fast overnight before each visit, but otherwise, your usual diet isn't specifically changed.
Will I know my blood sugar results?
The study collects data for research purposes, and individual results are not typically shared. You can discuss this with the study team.
How to find out more
Wejdan Shamakhay, Phd Student
Always speak to your GP or specialist before deciding to take part in a study.
Interested in taking part?
Discussion
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