International Journal of Innovative Approaches in Agricultural Research
Abbreviation: IJIAAR | ISSN (Online): 2602-4772 | DOI: 10.29329/ijiaar

Original article    |    Open Access
International Journal of Innovative Approaches in Agricultural Research 2024, Vol. 8(1) 15-30

Effect of Drying and Grinding on Biochemical and Functional Properties of Deglet Nour Date Fruit Powder

Wafa Hajji & Sihem Bellagha

pp. 15 - 30   |  DOI: https://doi.org/10.29329/ijiaar.2024.656.2

Published online: March 31, 2024  |   Number of Views: 23  |  Number of Download: 72


Abstract

The objective of this study was to characterize a date powder from Deglet Nour. For this purpose, the effects of conventional drying and grinding processes were evaluated. Deglet Nour dates powders were obtained through a convective hot air drying (HAD), at a temperature of 70°C and air flow velocity value of 1.5m s-1. Color coordinates, water activity (aw), moisture, sugar, fat and ash contents, hygroscopicity, wettability, water solubility index (WSI), and total phenolic content of dates powder were determined. 

The obtained powder has great degree of hygroscopicity, and this is due to its low moisture <8 g g-1 H2O) and its low water activity (0.443) which increased the water concentration gradient between the product and surrounding air. Thus, it has higher capacity to absorb moisture from environment. On the other hand, both solubility index and sugar content were affected for date powder after drying and grinding processes. Our findings ascertained that intensification of both processes should be applied to overcome these negative impacts

Keywords: Date Powder, Convective Drying, Grinding, Quality Attributes, Sugar Content


How to Cite this Article

APA 6th edition
Hajji, W. & Bellagha, S. (2024). Effect of Drying and Grinding on Biochemical and Functional Properties of Deglet Nour Date Fruit Powder . International Journal of Innovative Approaches in Agricultural Research, 8(1), 15-30. doi: 10.29329/ijiaar.2024.656.2

Harvard
Hajji, W. and Bellagha, S. (2024). Effect of Drying and Grinding on Biochemical and Functional Properties of Deglet Nour Date Fruit Powder . International Journal of Innovative Approaches in Agricultural Research, 8(1), pp. 15-30.

Chicago 16th edition
Hajji, Wafa and Sihem Bellagha (2024). "Effect of Drying and Grinding on Biochemical and Functional Properties of Deglet Nour Date Fruit Powder ". International Journal of Innovative Approaches in Agricultural Research 8 (1):15-30. doi:10.29329/ijiaar.2024.656.2.

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