文献类型：期刊文献

英文题名：Vacuum Impregnation Process Optimization for Tilapia with Biopreservatives at Ice Temperature

作者：Liu, Yan[1];Li, Min[1];Jin, Zhi[2,3];Luo, Jing[2,3];Ye, Biao[1];Ruan, Jianwen[1]

机构：[1]Guangdong Ocean Univ, Coll Mech & Power Engn, Zhanjiang 524088, Peoples R China;[2]Guangdong Ocean Univ, Coll Food Sci & Technol, Zhanjiang 524088, Peoples R China;[3]Guangdong Ocean Univ, Guangdong Prov Key Lab Aquat Prod Proc & Safety, Zhanjiang 524088, Peoples R China

年份：2022

卷号：11

期号：16

外文期刊名：FOODS

收录：SCI-EXPANDED(收录号：WOS:000845999600001)、、Scopus(收录号：2-s2.0-85137340990)、WOS

基金：This research was funded by the Natural Science Foundation of Guangdong Province, grant number 2015A030313613. The Science and Technology Project of Zhanjiang City (No. 2019A01043), and the Shenzhen Science and Technology Innovation Committee (JCYJ20170818111558146).

语种：英文

外文关键词：vacuum impregnation; biopresavitives; tilapia; ice temperature; RSM

外文摘要：The vacuum impregnation (VI) process was used to pretreat tilapia fillets with biopreservatives at -2 degrees C. Response surface methodology (RSM) was utilised to optimize processing conditions, including vacuum pressure (p(v)), vacuum maintenance time (t(1)), and atmospheric pressure recovery time (t(2)), which were determined to be 67.73 kPa, 23.66 min, and 8.87 min, respectively. The anticipated values for the aerobic plate count (APC), total volatile basic nitrogen (TVB-N), and comprehensive score (CS) were 5.17 lg CFU/g, 14.04 mg/100 g, and 0.98, respectively. Verification experiments were conducted, and the experimental results for APC and TVB-N deviated from the predicted values by 0.19% and 0.64%, respectively. After 30 days of storage following VI and atmosphere impregnation (AI) pretreatment, the water-holding capacity (WHC), APC, TVB-N, hardness, and whiteness were determined. On the 30th day, the results for VI pretreatment were 63.38%, 6.27 lg CFU/g, 17.41 mg/100 g, 3.11 N, and 47.73, respectively. Compared with AI pretreatment, WHC, hardness, and whiteness increased by 14.8%, 18.6%, and 6.3%, respectively, whereas APC and TVB-N decreased by 11.3% and 29.6%, respectively. This study demonstrates that when biopreservatives are applied during the pretreatment process, VI technology can be utilised to facilitate their penetration into the interior of tilapia, hence significantly enhancing the effect of ice-temperature preservation.