Ultrasound-assisted extraction and encapsulation of betalain from prickly pear: Process optimization, in-vitro digestive stability, and development of functional gummies
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View abstract on PubMed
Summary
This summary is machine-generated.This study optimized ultrasound-assisted extraction of prickly pear betalain using glycerol, achieving high encapsulation efficiency. The encapsulated pigment shows enhanced stability, bio-accessibility, and anti-inflammatory properties, making it ideal for food applications.
Area Of Science
- Food Science
- Natural Products Chemistry
- Biotechnology
Background
- Betalains are natural pigments with potential health benefits.
- Extraction and stabilization of betalains remain challenges for industrial application.
- Glycerol offers a sustainable and eco-friendly solvent option.
Purpose Of The Study
- To extract and encapsulate betalain pigment from prickly pear (Opuntia ficus-indica) using ultrasound-assisted extraction and glycerol.
- To optimize the extraction process using Response Surface Methodology (RSM).
- To evaluate the thermal stability, shelf-life, bio-accessibility, and biological properties of the encapsulated betalain.
Main Methods
- Ultrasound-assisted extraction optimized by RSM.
- Analysis of betalain content and encapsulation efficiency.
- Thermal stability, shelf-life, and bio-accessibility assessments.
- Evaluation of anti-inflammatory and cytotoxic effects.
- Sensory analysis of encapsulated pigment in gummies.
Main Results
- Optimal extraction conditions yielded 858.28 mg/L betalain with 93.76% encapsulation efficiency.
- Encapsulated betalain showed improved shelf stability (404 days at 4°C) and bio-accessibility (2.05%).
- The pigment exhibited significant anti-inflammatory activity without cytotoxicity.
- Successful incorporation into gummies with positive sensory evaluation.
Conclusions
- Glycerol is an effective and sustainable encapsulating agent for prickly pear betalain.
- Encapsulated betalain possesses desirable properties for food industry applications.
- This method offers a viable alternative for natural pigment extraction and stabilization.
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