From Dates to Dough: Researchers Create Fiber-Rich Bread With Surprising Results

Can Date Fiber Turn Ordinary Bread Into a Healthier Food?

Bread is one of the most widely consumed foods worldwide. But scientists are increasingly exploring ways to make it healthier. A recent study investigated whether adding fiber derived from date fruit by-products could enhance bread’s nutritional value without compromising its metabolic effects.

Researchers analyzed bread rolls fortified with desugared date fruit pomace—a fiber-rich residue left after extracting sugars from dates. Different formulations containing 5%, 10%, 15%, and 20% date pomace were compared with regular bread.  

The results revealed a substantial nutritional improvement.

Bread enriched with 20% date pomace contained 22.4 g of dietary fiber per 100 g, compared with only 5.7 g in the control bread. Antioxidant activity also increased significantly, indicating the presence of beneficial plant compounds such as phenolics.  

Mineral content improved as well, making the fortified bread potentially more nutritious.

However, the researchers also evaluated how the new bread affects blood sugar levels. Despite the higher fiber content, the glycemic index (GI) remained relatively high, with measured GI values of 93 for 10% pomace bread and 85 for 20% pomace bread in tests involving healthy volunteers.  

This suggests that while the added fiber improves nutritional quality, it only slightly reduces the glycemic response.

Another interesting finding came from digestion experiments. The presence of date pomace slowed glucose release during simulated digestion, possibly due to enzyme-inhibiting compounds such as phenolics in the date fiber.  

Overall, the study indicates that incorporating date fruit fiber into bread can significantly enhance its nutritional profile, particularly by boosting fiber and antioxidant content.

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Why This Matters for GeneFit Readers

This research highlights how functional foods can enhance everyday diets without requiring major lifestyle changes. For GeneFit readers interested in personalized nutrition and metabolic health, fiber-rich ingredients like date pomace may help improve gut health, antioxidant intake, and overall diet quality. However, the study also shows that fiber alone may not drastically lower glycemic impact, emphasizing the need for combined dietary strategies—such as personalized carbohydrate choices, genetic insights, and balanced nutrition—to optimize metabolic health.

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Reference

Almoumen, A., Mohamed, H., Subash, A., Al-Marzouqi, A. H., Ayyash, M., Al Dhaheri, A. S., & Kamal-Eldin, A. (2025). Fortifying bread rolls with date fruit fiber: Effects on dietary fiber, antioxidant capacity, mineral content, and glycemic response. NFS Journal, 100229. https://doi.org/10.1016/j.nfs.2025.100229

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