Effect of Three Defatting Solvents on the Techno-Functional Properties of an Edible Insect (Gryllus bimaculatus) Protein Concentrate
Abstract
:1. Introduction
2. Material and Methods
2.1. Raw Material and Preparation of Insect Powder
2.2. Defatting
2.3. Proximate Analysis
2.4. Protein Solubility
2.5. Techno-Functional Properties
2.6. Protein Surface Hydrophobicity
2.7. Prediction of Secondary Structure
2.8. Statistical Analysis
3. Results and Discussion
3.1. Proximate Analysis
3.2. Protein Solubility
3.3. Techno-Functional Properties
3.4. Changes of Protein Structure
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Crude Protein (%, DM) | Crude Fat (%, DM) | Crude Ash (%, DM) | * Carbohydrate (%, DM) | Yield (%, DM) | |
---|---|---|---|---|---|
FGP | 51.3 ± 0.2 a | 17.3 ± 0.2 d | 4.52 ± 0.11 a | 26.9 ± 0.5 a | - |
EDP | 62.5 ± 0.2 d | 0.73 ± 0.07 a | 4.76 ± 0.14 a | 32.1 ± 0.4 b | 77.7 ± 1.5 a |
HDP | 60.7 ± 0.3 c | 1.83 ± 0.23 b | 5.21 ± 0.21 b | 32.3 ± 0.7 b | 79.3 ± 2.1 a |
ADP | 60.2 ± 0.2 b | 2.56 ± 0.1 c | 5.27 ± 0.2 b | 32.0 ± 0.1 b | 83.5 ± 1.6 b |
Samples | WHC (g/g DM) | OHC (g/g DM) | Foaming Properties | EC (mL/g DM) | GF (%) | |
---|---|---|---|---|---|---|
FC (%) | FS (%) | |||||
FGP | 2.03 ± 0.19 a | 1.57 ± 0.02 a | 13.5 ± 1.1 a | 92.3 ± 0.9 c | 444 ± 24 a | 18.0 ± 0.0 c |
EDP | 2.99 ± 0.30 b | 2.31 ± 0.07 c | 34.9 ± 1.1 b | 76.5 ± 1.0 a | 515 ± 10 b | 16.0 ± 0.0 b |
HDP | 2.12 ± 0.15 a | 2.28 ± 0.02 bc | 61.1 ± 3.0 c | 73.9 ± 1.4 a | 558 ± 19 c | 16.0 ± 0.0 b |
ADP | 2.33 ± 0.23 a | 2.02 ± 0.31 b | 39.7 ± 3.0 b | 82.4 ± 1.8 b | 538 ± 12 bc | 15.0 ± 0.0 a |
Samples | Protein Secondary Structural Composition (%) | Protein Surface Hydrophobicity | |||
---|---|---|---|---|---|
α-Helix | ß-Sheet | ß-Turn | Random Coil | ||
FGP | 22.8 ± 0.8 b | 31.0 ± 1.4 b | 12.4 ± 0.8 a | 33.8 ± 2.3 a | 267.7 ± 20.8 a |
EDP | 18.7 ± 0.8 a | 30.3 ± 1.2 b | 12.5 ± 1.0 a | 38.6 ± 1.7 b | 290.1 ± 15.9 b |
HDP | 22.0 ± 1.5 b | 29.0 ± 1.0 b | 12.5 ± 1.1 a | 36.6 ± 2.7 ab | 341.3 ± 10.1 c |
ADP | 22.1 ± 1.3 b | 26.3 ± 1.2 a | 12.0 ± 0.8 a | 39.6 ± 2.0 b | 325.0 ± 14.2 bc |
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Jeong, M.-S.; Lee, S.-D.; Cho, S.-J. Effect of Three Defatting Solvents on the Techno-Functional Properties of an Edible Insect (Gryllus bimaculatus) Protein Concentrate. Molecules 2021, 26, 5307. https://doi.org/10.3390/molecules26175307
Jeong M-S, Lee S-D, Cho S-J. Effect of Three Defatting Solvents on the Techno-Functional Properties of an Edible Insect (Gryllus bimaculatus) Protein Concentrate. Molecules. 2021; 26(17):5307. https://doi.org/10.3390/molecules26175307
Chicago/Turabian StyleJeong, Min-Soo, Sang-Deok Lee, and Seong-Jun Cho. 2021. "Effect of Three Defatting Solvents on the Techno-Functional Properties of an Edible Insect (Gryllus bimaculatus) Protein Concentrate" Molecules 26, no. 17: 5307. https://doi.org/10.3390/molecules26175307