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The aim of this study was to evaluate the composition of Khalas, a very common type of dates used in the UAE and to determine the effects of drinking Arabic coffee on the results of GI tests in both healthy and diabetic subjects.
Background:The consumption of dates along with coffee is a deeply rooted habit in many societies. This study was designed to determine the effect of coffee consumption on the glycemic index of a common variety of dates (Khalas) tested in healthy subjects and individuals with type 2 diabetes mellitus.
Methods:Composition analysis was carried out for Khalas dates (Tamer stage) and the weight of the dates flesh equivalent to 50 g of available carbohydrate was calculated. The study subjects were thirteen healthy volunteers with a mean (± SD) age of 40.2 ± 6.7 years and ten participants with type 2 diabetes mellitus (controlled on lifestyle measures and/or metformin) with a mean HbA1c (± SD) of 6.6 ± (0.7 %) and a mean age (± SD) of 40.8 ± 5.7 years. Each subject was tested on five separate days with 50 g of glucose (on 3 occasions) and 50 g equivalent of available carbohydrates from the dates without coffee (on one occasion) and with coffee (on another occasion). Capillary glucose was measured in the healthy subjects at 0, 15, 30, 45, 60, 90 and 120 min and for the diabetics at 0, 30, 60, 90, 120, 150 and 180 min. The glycemic indices were determined as ratios of the incremental areas under the response curves for the dates alone/with coffee compared to glucose. Statistical analyses were performed using Student's t-tests.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| GI of Khalas dates | Active Comparator | The Glycemic indices of the Khalas dates were measured for healthy and diabetic subjects. |
|
| GI of the Khalas dates with Coffee | Experimental | measuring the effect of 100 ml of coffee consumption on the GI of the Khalas dates among healthy and diabetic subjects. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Khalas dates | Other | every subject recieved 50 grams reducing carbohydrates equivalent of khalas dates |
|
| Measure | Description | Time Frame |
|---|---|---|
| Glycemic Index of Khalas dates with and without coffee | Every subject recieved 50 grams reducing sugars of Khalas dates with and without coffee. Measuring glucose level over 2 hours in Healthy subjects and over 3 hours in diabetic subjects as per a standard protocol. | 2 or 3 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Juma M Alkaabi, MD | Assistant professor Internal Medicine Department FMHS UAE University | Principal Investigator |
| Bayan Al-Dabbag, PhD | FMHS UAE university | Study Chair |
| Hussein Saadi, MD | Professor of Medicine, FMHS UAE University | Study Chair |
| Salah Gariballa, MD | Professor of Medicine FMHS UAE University | Study Chair |
| Yasin Javed, Msc | FMHS UAE University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Medicine and Health Sciences UAE University | Al Ain City | AB | United Arab Emirates |
| Type | Date | Date Unknown |
|---|---|---|
| Release | Aug 24, 2011 | |
| Reset | Sep 28, 2011 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Aug 24, 2011 | Sep 28, 2011 |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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