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Journal article
Alkali-Assisted Extraction of Date Seeds for Stabilizing Bioactive-Rich Oil-in-Water Emulsions
ACS food science & technology, Vol.5(2), pp.640-652
2025
Abstract
Date seeds are the major byproduct of the date palm industry, posing both environmental and economic concerns. Therefore, this study aimed to valorize date seeds through alkali-assisted extraction for stabilizing bioactive-rich oil-in-water emulsions. Using an I-optimal design, the effects of pH (7-11), temperature (30-50 degrees C), date seed concentration (DSC) (5-25%), and extraction time (30-150 min) on total polyphenol content (TPC) and the Sauter mean droplet diameter (D[3,2]) of emulsions were optimized. Results showed that alkali-assisted extraction significantly increased the TPC and minimized D[3,2], with the optimal conditions being pH 8.5, 50 degrees C, 5% DSC, and 30 min extraction time. At these conditions, submicron emulsions were achieved, which were highly stable at mildly acidic pH (6-7) over 3 weeks but exhibited reduced stability at lower pH (<6) and increasing salt concentrations. These findings demonstrate that date seeds are a promising, sustainable resource for natural emulsifiers, capable of stabilizing emulsions with extended shelf life.
Details
- Title
- Alkali-Assisted Extraction of Date Seeds for Stabilizing Bioactive-Rich Oil-in-Water Emulsions
- Authors/Creators
- Anuj Niroula - United Arab Emirates UniversityAlreem Alkhyeli - United Arab Emirates UniversityFatima Abdulsamad - United Arab Emirates UniversityAhmad Rabbani - United Arab Emirates UniversityCostas StathopoulosAkmal Nazir - United Arab Emirates University
- Publication Details
- ACS food science & technology, Vol.5(2), pp.640-652
- Publisher
- American Chemical Society
- Number of pages
- 13
- Grant note
- United Arab Emirates University: G00004403
This research was supported by a SURE Plus grant from United Arab Emirates University (Grant code: G00004403).
- Identifiers
- 991005731783707891
- Copyright
- © 2025 The Authors.
- Murdoch Affiliation
- Food Futures Institute; School of Medical, Molecular and Forensic Sciences
- Language
- English
- Resource Type
- Journal article
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