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Journal article
Valorizing date seeds in biscuits: A novel approach to incorporate bioactive components extracted from date seeds using microwave-assisted extraction
Resources, environment and sustainability, Vol.15, 100147
2024
Abstract
Date seeds contain various nutrients and bioactive compounds which can be utilized as functional food ingredients in a sustainable manner. This study optimized microwave-assisted extraction (MAE) of bioactive compounds from defatted date seed powder (DSP) and investigated the physicochemical properties of the remaining residues from seeds of three different date varieties (Khalas, Fardh, and Khenaizi). Both, the extracts and the residues were incorporated as functional ingredients in the biscuits. Under optimal conditions: power 700 W, time 6 min, temperature 45 °C, and particle size <125μm, the total phenolic content (TPC) and total flavonoid content (TFC) were 15.88 mg GAE/g DSP and 8.51 mg QE/g DSP, respectively, while the antioxidant activities were 17.93, 61.68 and 39.74 mmol TE/g DSP for 2,2′ -azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), 1,1-diphenyl-2-picrlthydrazyl (DPPH) and ferric ion reducing antioxidant power (FRAP), respectively. Bioactive properties were significantly different (P<0.05) among three DSP varieties. The main phenolic compounds identified in defatted DSP were benzoic acid, catechin, ferulic acid, caffeic acid, and vanillin. Moisture content, water holding capacity (WHC), and color of the defatted DSP were significantly affected by microwaves. DSP extract and residue fortified biscuits showed enhanced TPC, TFC, and antioxidant properties. This study indicates that date seeds can be successfully used in food products to promote more sustainable food production.
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Details
- Title
- Valorizing date seeds in biscuits: A novel approach to incorporate bioactive components extracted from date seeds using microwave-assisted extraction
- Authors/Creators
- Meththa Ranasinghe - United Arab Emirates UniversityNilushni Sivapragasam - United Arab Emirates UniversityHussein Mostafa - United Arab Emirates UniversityJennifer Osamede Airouyuwa - United Arab Emirates UniversityIoannis Manikas - University of Wollongong in DubaiBalan Sundarakani - University of Wollongong in DubaiSajid Maqsood - United Arab Emirates UniversityConstantinos Stathopoulos - Murdoch University, Food Futures Institute
- Publication Details
- Resources, environment and sustainability, Vol.15, 100147
- Publisher
- Elsevier B.V. on behalf of Lishui Institute of Ecology and Environment, Nanjing University.
- Identifiers
- 991005715369507891
- Copyright
- © 2024 The Author(s).
- Murdoch Affiliation
- Food Futures Institute
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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