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Development and Validation of Miniaturized Assays to Assess Protein Techno-functional Properties
Jordy Kim Ung Ling1, Sergey Gorelik1, Gomathy Sandhya Subramanian1
1Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Nanos, Singapore, Republic of Singapore.
Current Protocols
|June 19, 2024
Summary
New miniaturized assays offer a faster, more efficient way to test protein techno-functional properties like emulsification and gelling. These scaled-down methods require significantly less sample, enabling high-throughput screening for diverse protein applications.
Area of Science:
- Food Science
- Protein Chemistry
- Biotechnology
Background:
- Techno-functional properties (emulsification, foaming, gelling) are crucial for protein isolate applications.
- Conventional methods for assessing these properties are time-consuming and sample-intensive.
- Early-stage screening of diverse protein samples is hindered by current assay limitations.
Purpose of the Study:
- To develop and validate miniaturized assays for evaluating protein techno-functional properties.
- To enable high-throughput screening of protein samples.
- To reduce sample volume requirements for property testing.
Main Methods:
- Development of scaled-down (miniaturized) assays for emulsification, foaming, and gelling.
- Validation of miniaturized assays against conventional macro-volume techniques.
- Quantification of reduced sample volume requirements (<400 μl).
Main Results:
- Miniaturized assays demonstrated efficiency and simplicity.
- Emulsification and gelling assays required 25-fold less protein sample.
- Foaming assay required 100-fold less sample compared to conventional methods.
- Assay performance was validated against established techniques.
Conclusions:
- Miniaturized assays provide a high-throughput screening capability for protein techno-functional properties.
- These novel assays accelerate the identification of promising protein samples.
- The developed protocols facilitate efficient analysis of diverse protein isolates.
