Structural Characterization of Micronized Lignocellulose Date Pits as Affected by Water Sonication Followed by Alcoholic Fractionations
Khalid Al-Harrasi, Nasser Al-Habsi, Mohamed A. Al-Kindi, Linghong Shi, Hafiz A. R. Suleria, Muthupandian Ashokkumar, Mohammad Shafiur Rahman
TL;DR
This study examines how water sonication and alcoholic fractionation affect the structure of micronized date pit powder, a potential food and bio-product material.
Contribution
The study introduces a novel method combining sonication and alcoholic fractionation to characterize the structural changes in date pit powder.
Findings
Ultrasound treatment significantly reduced the particle size of date pit powder compared to the untreated control.
SEM and TEM revealed differences in particle morphology and the presence of nanoparticles in all extracted fractions.
FTIR analysis showed higher degradation levels in date pits treated with ultrasound.
Abstract
Date pits are considered waste, and micronized date pit powder could be developed for use in foods and bio-products. In this study, micronized date pit powders were extracted by alcoholic sedimentation after ultrasound treatment. The control was considered untreated, i.e., without sonication. Six micronized fractions (i.e., three from control and three from treated) were prepared by three stages of alcoholic sedimentation. In the case of untreated date pit powder, the average particle size of the fractionated date pit powder (i.e., residue) from three stages of alcoholic sedimentation varied from 89 to 164 µm, while ultrasonic treatment showed variation from 39 to 65 µm. The average particle size of the supernatant fractions of untreated date pit powder varied from 22 to 63 µm, while ultrasonic treatment showed variation from 18 to 44 µm. Ultrasound treatment produced smaller particles.…
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Taxonomy
TopicsDate Palm Research Studies · Bee Products Chemical Analysis · Microencapsulation and Drying Processes