Glycemic index (GI) and glycemic load (GL) values for dried bisr and tamr dates

Amjad H. Jarrar, Afaf Kamal-Eldin, Mo'ath Bataineh, Ayesha S. Al Dhaheri

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Background: Date fruits can be consumed at different stages of maturity and thus might vary in glycemic response. Therefore, this study aims to evaluate the nutritional composition, glycemic index (GI) and glycemic load (GL) values of dried Bisr (mature unripe) and Tamr (mature ripe) dates. Methods: Fifteen healthy female participants (18 and 25 years), were recruited to assess the GI and GL values of dried Bisr and dried Tamr dates. Each participant was tested in three different times. Trials were separated by 1 week and proceeded in a randomized counterbalanced manner. Anthropometrics and food records were obtained for all participants.Results: Proximate analysis revealed significant differences between Bisr and Tamr dates in moisture, ash, fat, protein, and fiber content (P < 0.05), whereas, carbohydrate and energy contents were comparable (P > 0.05). The incremental area under the blood glucose response curve was higher (164.5 ± 47.8) for the standard food in comparison with dried Bisr (88.5 ± 24.1, P < 0.0001) or dried Tamr dates (88.2 ± 27.9, P < 0.0001), whereas, no significant differences were detected between the test foods (P > 0.05). Both GI (Bisr: 54.6 ± 15.2 vs. Tamr: 54.3 ± 14.3) and GL (Bisr: 13.65 vs. Tamr: 13.58) were not significantly different between the test food items (P > 0.05). Conclusion: Dried date fruits induce similar glycemic responses regardless of their maturity stage.

Original languageEnglish
Pages (from-to)88-94
Number of pages7
JournalEmirates Journal of Food and Agriculture
Volume31
Issue number2
DOIs
Publication statusPublished - Feb 1 2019

Keywords

  • Bisr
  • Date fruits
  • Glycemic index
  • Glycemic load
  • Tamr

ASJC Scopus subject areas

  • Food Science
  • Applied Microbiology and Biotechnology
  • Animal Science and Zoology
  • Agronomy and Crop Science

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