Mixed Inoculation with <i>Lacticaseibacillus casei</i> and <i>Staphylococcus carnosus</i> Improves Safety, Gel Properties and Flavor of Giant Squid Surimi Without Added Seasonings
The gel performance of giant squid is weak. Researchers have confirmed that adding some substances could improve the texture. However, the flavor has not been taken into account. In a previous study, we proved that mixed inoculation with <i>Lacticaseibacillus casei</i> and <i>Staph...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-07-01
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| Series: | Fermentation |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2311-5637/11/7/404 |
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| Summary: | The gel performance of giant squid is weak. Researchers have confirmed that adding some substances could improve the texture. However, the flavor has not been taken into account. In a previous study, we proved that mixed inoculation with <i>Lacticaseibacillus casei</i> and <i>Staphylococcus carnosus</i> with several seasonings adding could improve the texture of squid. Whether the addition of seasonings could affect the quality of samples or not and how fermentation affects the texture and flavor were not clear. In present study, we prepared fermented squid without seasonings. The results showed that compared with fermented samples with added seasonings, samples without seasonings might be safer, with fewer types and lower concentrations of biogenic amines. In samples without seasonings, non-inoculation had a higher pH and higher levels of biogenic amines. Meanwhile, mixed inoculation with <i>L. casei</i> and <i>S. carnosus</i> could ensure safety, improve texture and rheological properties. The water state of the fermented sample was also changed. The microstructure indicated that good network was formed in the fermented sample. After fermentation, the contents of several organic acids, free amino acids and volatile flavor compounds increased, and the results of the electronic nose test were also changed. In addition, starters were dominant during fermentation. These results indicated that mixed inoculation without seasonings might be a safer method than that with seasonings. In addition, mixed inoculation without seasonings could improve the texture and flavor of the squid. These results lay the foundation for improving fermented squid quality in further studies. |
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| ISSN: | 2311-5637 |