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Effects of separated and combined amaranth, quinoa and chia flours on the characteristics of gluten-free bread with different concentrations of hydrocolloids

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Abstract

Rice and corn flour/starch are frequently used in the manufacture of gluten-free products, which are usually characterized by high starch content, low fiber content, poor texture, insufficient volume, short shelf life, fast staling, and easy crumbling. The objective of this study was to use amaranth, quinoa, and chia flours, separately or in combination, and corn starch in different ratios as an alternative to wheat/rice flours. Furthermore, several hydrocolloids (methylcellulose, carboxymethylcellulose, xanthan gum, and guar gum) were added at different levels (2, 3, and 4%) to the precited flours in order to improve the technological properties of gluten-free bread, enhance its nutritive value, and avoid the negative effects caused by the ingestion of gluten for coeliacs. The increase in pseudocereal flours’ ratios produced dark dough and resulted in a decrease in specific volume and an increase in moisture content and crumb texture hardness in all bread formulations (except in quinoa breads). The increase in hydrocolloids’ levels contributed to an increase in the moisture content, specific volume, L values of crumb color, and hardness of all breads. The formulations prepared with the lowest ratio of pseudocereal flours (10%) at the highest hydrocolloid concentration (4%) produced better quality bread than the control in terms of acceptability. Among the pseudocereal-containing breads, quinoa breads had the best specific volume and crumb hardness, followed by chia, mixture, and amaranth breads. The formulations containing natural hydrocolloids combined with amaranth, quinoa, and chia flours could be interesting to produce “better-quality and healthier” bread for coeliacs.

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Availability of data and material

The datasets used and/or analyzed during the current study are available from the corresponding author (AA) on reasonable request.

Code availability

Not applicable.

Abbreviations

CD:

Celiac disease

CP:

Celiac patients

GF:

Gluten-free

MC:

Methylcellulose

CMC:

Carboxymethylcellulose

SSL:

Sodium stearoyl lactylate

GFC:

Gluten-free control

A:

Amaranth

Q:

Quinoa

C:

Chia

M:

Mixture

TPA:

Texture profile analysis

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Acknowledgements

The authors would like to deeply acknowledge the volunteers who participated in this work, Scientific Research Projects Unit of Çukurova University, and the food companies for supplying the materials used in the study.

Funding

This work was supported by the Scientific Research Projects Unit of Çukurova University [grant number FBA-2017–8926].

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Authors and Affiliations

Authors

Contributions

AA: Conceptualization, data curation, formal analysis, investigation, methodology, validation, visualization, writing—original draft. HD: data curation, methodology, validation, visualization, writing—original draft, writing—review and editing. MSÖ: conceptualization, funding acquisition, methodology, project administration, resources, validation, supervision.

Corresponding authors

Correspondence to Ahmed Alsaiqali or Halef Dizlek.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethics approval

Approval was obtained from the ethics committee of Çukurova University (Turkey). The procedures used in this study adhere to the tenets of the Declaration of Helsinki.

Consent to participate

Informed consent was obtained from all individual participants to sensory panel included in the study.

Consent for publication

The authors affirm that human research participants provided informed consent for publication of the data in Table 4.

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Alsaiqali, A., Dizlek, H. & Özer, M.S. Effects of separated and combined amaranth, quinoa and chia flours on the characteristics of gluten-free bread with different concentrations of hydrocolloids. Chem. Pap. 77, 5275–5291 (2023). https://doi.org/10.1007/s11696-023-02861-w

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  • DOI: https://doi.org/10.1007/s11696-023-02861-w

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