Pacific white shrimp (Litopenaus vannamei) treated with chitooligosaccharide-catechin conjugate with the aid of prior pulse electric field and vacuum impregnation: Quality and microbial diversity during refrigerated storage

Mittal, Ajay; Palamae, Suriya; Singh, Avtar; Zhang, Bin; Benjakul, Soottawat

doi:10.1016/j.fbio.2024.104981

Food Bioscience

2024

DOI: 10.1016/j.fbio.2024.104981

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Pacific white shrimp (Litopenaus vannamei) treated with chitooligosaccharide-catechin conjugate with the aid of prior pulse electric field and vacuum impregnation: Quality and microbial diversity during refrigerated storage

Ajay Mittal,

Suriya Palamae,

Avtar Singh

et al.

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Depuration of Asian Green Mussels Using Chitooligosaccharide-Epigallocatechin Gallate Conjugate: Shelf-Life Extension, Microbial Diversity, and Quality Changes during Refrigerated Storage

Buatong,

Bahem,

Benjakul

et al. 2024

Foods

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The effect of chitooligosaccharide-EGCG conjugate (CEC) at different concentrations (0, 1, and 2%; w/v) and depuration times (DT; 3, and 6 h) on the total viable count and Vibrio spp. count of Asian green mussels (AGMs) was studied. Depurated samples showed a reduction in both microbial counts as compared to fresh AGMs (without depuration) and AGMs depurated using water (CON). A similar TVC was noticed at both DTs; however, a lower VC was attained at a DT of 3, irrespective of CEC concentrations (p < 0.05). AGMs were depurated for 3 h using 1 and 2% CEC (CE1 and CE2, respectively) solutions and stored for 6 days at 4 °C. The CE2 sample showed the lowest microbial counts as compared to fresh AGMs, CON, and CE1 throughout the storage (p < 0.05). CE2 extended the shelf-life of AGMs by 4 days, which was also supported by the lower peroxide value (0.48 mg cumene hydroperoxide/kg sample) and TBARS (0.94 mmol MDA eqv/kg sample) when compared with other samples. Moreover, CE2 had a lower total volatile nitrogen base (TVB; 4.72 mg N/100 g) and trimethylamine (TMA; 3.59 mg N/100 g) on day 4. Furthermore, 2% CEC was able to maintain the DHA content; however, a slightly lower EPA was noticed as compared to the CON. Next-generation sequencing suggested that the CON had a larger microbial community, especially Vibrio sp., than the CE2. All the treated samples showed similar likeness scores to the cooked CE2 and CON on day 0. However, slightly lower likeness was attained when CE2 was stored for 4 days, but the likeness score was higher than the acceptable limit (5). No difference in cooking loss was noticed between CON and CE2 samples on day 0. Nevertheless, cooking loss was increased on day 4. Thus, depuration using CEC solution enhanced the shelf-life of AGMs by 4 days without having negative impact on consumer acceptability and textural properties.

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Depuration of Asian Green Mussels Using Chitooligosaccharide-Epigallocatechin Gallate Conjugate: Shelf-Life Extension, Microbial Diversity, and Quality Changes during Refrigerated Storage

Buatong,

Bahem,

Benjakul

et al. 2024

Foods

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show abstract

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Pacific white shrimp (Litopenaus vannamei) treated with chitooligosaccharide-catechin conjugate with the aid of prior pulse electric field and vacuum impregnation: Quality and microbial diversity during refrigerated storage

Cited by 1 publication

References 57 publications

Depuration of Asian Green Mussels Using Chitooligosaccharide-Epigallocatechin Gallate Conjugate: Shelf-Life Extension, Microbial Diversity, and Quality Changes during Refrigerated Storage

Depuration of Asian Green Mussels Using Chitooligosaccharide-Epigallocatechin Gallate Conjugate: Shelf-Life Extension, Microbial Diversity, and Quality Changes during Refrigerated Storage

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