Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Effects of ultrasound and high-pressure assisted extraction of pearl millet protein isolate: Functional, digestibility, and structural properties

Keshav Raghav Hegde, Malini Buvaneswaran, M. R. Bhavana, V. R. Sinija, Ashish Rawson, Vincent Hema

International Journal of Biological Macromolecules · 2024

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Summary

This 2024 laboratory study investigated how ultrasound and high-pressure assisted extraction optimise the functional and digestibility properties of pearl millet protein isolate. As suggested by the experimental design, the research compared extraction techniques to identify methods that enhance protein bioavailability and structural suitability for food applications. Pearl millet, a neglected cereal crop, may represent an under-utilised source of plant-based protein, and optimised extraction could improve its nutritional application in food systems.

Regional applicability

Pearl millet is not widely cultivated in the United Kingdom; the findings would be most directly applicable to regions where pearl millet is a staple or emerging crop (principally Africa and South Asia). However, the extraction methodology and protein optimisation principles could inform UK food manufacturers seeking alternative plant-based protein sources for formulation.

Key measures

Protein isolate functional properties (likely emulsification, foaming, water/oil binding capacity); in vitro digestibility; protein structural characteristics (likely molecular weight distribution, amino acid profile, secondary structure)

Outcomes reported

The study examined how ultrasound and high-pressure assisted extraction techniques affect the functional properties, digestibility, and structural characteristics of pearl millet protein isolate. The research compared extraction methods to identify approaches that optimise protein bioavailability and functional suitability for food formulation.

Theme
Nutrition & health
Subject
Food processing & bioavailability
Study type
Research
Study design
Laboratory / in vitro
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1016/j.ijbiomac.2024.138877
Catalogue ID
SNmq0elgne-c8xasw

Topic tags

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