期刊
FOOD SCIENCE AND BIOTECHNOLOGY
卷 31, 期 2, 页码 243-251出版社
KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST
DOI: 10.1007/s10068-021-01021-8
关键词
Edible insect; Protein characteristic; Functional property; Hydrocolloid; Protaetia brevitarsis
资金
- Korea Food Research Institute (KFRI) - Ministry of Science and ICT (Republic of Korea) [E0211200-01]
- Ministry of Agriculture, Food and Rural Affairs (Republic of Korea) [321079-3]
- National Research Council of Science & Technology (NST), Republic of Korea [E0211200-01] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This study investigated the effects of various hydrocolloids on the functionality of extracted proteins from Protaetia brevitarsis. The results showed that the solubility and properties of the hydrocolloids have significant impacts on the protein's gelling properties, microstructure, texture, viscosity, and emulsion properties. The findings suggest that hydrocolloids should be carefully selected when combined with edible insect proteins, depending on their intended purpose as gelling or foaming agents.
In this study, the effects of various hydrocolloids on the functionality of extracted proteins from Protaetia brevitarsis were investigated. Gel solubility, apparent viscosity, thermal properties, microstructure, textural properties, foaming properties, and emulsion properties were estimated and compared among treatments. Although all hydrocolloids enhanced the protein gelling properties compared with those of the control protein, the protein-polysaccharide complex in samples treated with a hydrocolloid with a lower solubility of hydrophobic bonds and disulfide bonds showed a more compact microstructure with high textural properties, apparent viscosity, and emulsion stability. By contrast, hydrocolloids with a high solubility of hydrophobic bonds increased the foaming properties and showed high thermal stability of the insect proteins. These results indicate that hydrocolloids should be carefully selected when in complex with edible insect proteins according to their purpose as gelling or foaming agents.
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