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Unveiling a new protein concentrate derived from quinoa germ: Exploring a plant-based alternative protein
Muhammed Muneer Bilal, M. K. and Amrita, Ray and Suresh Sakhare, D. (2025) Unveiling a new protein concentrate derived from quinoa germ: Exploring a plant-based alternative protein. Journal of Cereal Science, 123. pp. 1-8.
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Abstract
Raw quinoa germ (RQG), processed physically, was further refined using hammer milling and fractionated based on particle size into Fine (<100 μm), Medium (100–300 μm), and Coarse (300–500 μm) fractions. These were then defatted to produce quinoa germ protein concentrate (QGPC). The study assessed the influence of particle size and defatting on physicochemical, functional, and rheological properties. Quinoa protein, a complete pro tein, is concentrated in the germ portion. QGPC showed a higher protein content (43.04 %) compared to RQG (35.43 %). Analysis revealed higher protein and mineral content in coarse fractions, while brightness values increased with decreasing particle size. QGPC demonstrated superior functional properties, including a water- holding capacity (WHC) of 2.78 g/g and oil-holding capacity (OHC) of 3.10 g/g. Coarse fractions exhibited enhanced foaming capacity and stability. The study produced QGPC with a yield exceeding 70 %, characterized by unique functional properties, making it a promising ingredient for targeted food product development.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Quinoa germ, Protein concentrate, Fractionation, Functional properties |
| Subjects: | 600 Technology > 08 Food technology > 16 Nutritive value > 03 Proteins 600 Technology > 08 Food technology > 16 Nutritive value > 08 Grains |
| Divisions: | Flour Milling Bakery and Confectionary Technology |
| Depositing User: | Somashekar K S |
| Date Deposited: | 24 Jun 2025 08:25 |
| Last Modified: | 24 Jun 2025 08:25 |
| URI: | http://ir.cftri.res.in/id/eprint/19565 |
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