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壳聚糖/玉米淀粉膜结合淀粉纳米晶体/荨麻精油纳米乳液对鱼片的保鲜抗菌活性

Antimicrobial activity of chitosan /corn starch film incorporated with starch nanocrystals /nettle essential oil nanoemulsion for fillet preservation.

作者信息

Ahari Hamed, Kalateh-Seifari Fatemeh, Yousefi Shima

机构信息

Department of Agriculture and Food Science, Science and Research Branch, Islamic Azad University, Tehran 476714171, Iran.

出版信息

Food Chem X. 2024 Dec 10;25:102085. doi: 10.1016/j.fochx.2024.102085. eCollection 2025 Jan.

DOI:10.1016/j.fochx.2024.102085
PMID:39758056
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11698936/
Abstract

This study aimed to estimate the effects of chitosan/ corn starch (CH/ CS equal 62:38) film in combination with nettle essential oil nanoemulsions (0.41 wt% NEONEs) and starch nanocrystals (6 wt% SNCs) on the microbial and qualitative characteristics of the fillets during refrigeration storage (4 ± 1 °C). The fillets were covered by biopolymeric films (CH/CS, CH/CS/SNCs, CH/CS/ NEONEs, CH/CS/SNCs/NEONEs). The qualitative analysis of refrigerated fillets was performed on days 1, 7, and 10. The incorporation of NEONEs and SNCs into CH/CS made an active film with antimicrobial effects. The decrease in pH (5.89 %), PV (44.72 %), FFA (10.41 %), TVB-N (35.01 %), TBA (27.07 %) and increase in moisture (5.38 %) were observed in the covered fillets by CH/CS/SNCs/NEONEs film in compared to uncovered fillets at 4 °C on day 10. The results revealed that incorporating SNCs (6 %) and NEONEs (0.41 %) into CH/CS could increase the storage time of the refrigerated fish fillets.

摘要

本研究旨在评估壳聚糖/玉米淀粉(CH/CS比例为62:38)薄膜与荨麻精油纳米乳液(0.41 wt% NEONEs)和淀粉纳米晶体(6 wt% SNCs)组合,对冷藏(4±1°C)期间鱼片的微生物和品质特性的影响。鱼片覆盖有生物聚合物薄膜(CH/CS、CH/CS/SNCs、CH/CS/NEONEs、CH/CS/SNCs/NEONEs)。在第1天、第7天和第10天对冷藏鱼片进行品质分析。将NEONEs和SNCs掺入CH/CS中制成了具有抗菌作用的活性薄膜。与4°C下第10天未覆盖薄膜的鱼片相比,CH/CS/SNCs/NEONEs薄膜覆盖的鱼片pH值降低(5.89%)、过氧化值(PV)降低(44.72%)、游离脂肪酸(FFA)降低(10.41%)、挥发性盐基氮(TVB-N)降低(35.01%)、硫代巴比妥酸值(TBA)降低(27.07%),水分增加(5.38%)。结果表明,将SNCs(6%)和NEONEs(0.41%)掺入CH/CS中可延长冷藏鱼片的储存时间。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/f3105343964d/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/f28675fce1cd/gr1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/2878980b52a3/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/3244e31afe91/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/8f2e8e48d6cf/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/ecf1de4e3ab2/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/d23e2dc8cc65/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/f3105343964d/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/f28675fce1cd/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/db7ea0db1cd3/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/2878980b52a3/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/3244e31afe91/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/8f2e8e48d6cf/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/ecf1de4e3ab2/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/d23e2dc8cc65/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c894/11698936/f3105343964d/gr8.jpg

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