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Quality of Refrigerated Tilapia (Oreochromis niloticus) Slices under Vacuum and Modified Atmosphere Packaging Karim, Md. Abdul; Rahman, Masudur; Alice, Esmout Jahan; Amanullah, Md.; Hossain, Md. Akhtar; Islam, Md. Tariqul
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 15, No 3 (2020): December 2020
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v15i3.483

Abstract

In order to develop a proper packaging system for sliced tilapia fish (Oreochromis niloticus), the biochemical and microbiological qualities under control (unsealed package), vacuum package and modified atmosphere packaging with 50% CO2/50% N2 (MAP-1)  and 50% CO2/50% O2 (MAP-2)  were evaluated every three days during 18 days of chilled storage (4±1°C). The pH value was not significantly different (p 0.05) by treatments until day 9, but significantly lower values (p 0.05) were observed on day 12 of the storage in all treated samples compared to the control. The total volatile base nitrogen (TVB-N) value progressively increased, but not significantly different (p 0.05) in all treatments during the entire storage period. The thiobarbituric acid reactive substances (TBARS) amounts were significantly lower (p 0.05) on day 12 in the vacuum and MAP-1 samples compared to the control sample, and were significantly higher (p 0.05) on day 6, 9, and 12 of the storage period in MAP-2 samples compared to the control, vacuum and MAP-1 samples. The amounts of pH, TVB-N, and TBARS in all samples did not exceed the acceptable limit in almost the entire storage. The total viable count (TVC) progressively increased with storage time. Nevertheless, TVC values were lower (p 0.05) on day 6, 9, and 12 of the storage periods in all treatments compared to the control. The TVCs exceeded the acceptable limit (7 log CFU/g) on days 6-9 for control, 9-12 for vacuum, day 12 for MAP-2, and 15 for MAP-1 sample during the storage period. Therefore, the MAP has shown promising results for shelf life extension that can be practiced to display the fishery products with prolonged shelf life. 
Impact of Covid-19 on Tourism Industry in Bangladesh: A Narrative Review of the Period March 2020 to March 2021 Islam, Md. Tariqul
The Indonesian Journal of Social Studies Vol 4, No 1 (2021): July (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ijss.v4n1.p%p

Abstract

The objective of this study is to examine the impact of COVID-19 pandemic on the tourism industry of Bangladesh and to suggest some probable recovery strategies for minimizing the effect of COVID-19 in the tourism industry of Bangladesh. Secondary data is the heart of this study and the study has been conducted by following the three steps approaches of secondary research procedures which include developing research questions, identifying the database to answer the research questions and evaluating the collected secondary dataset. The study has found that the COVID-19 has several negative impacts on the tourism industry including the noticeable losses of revenue, a huge number of cuts off of jobs and closing the operation of the business both permanently and temporarily. Though it is near to impossible to get overcome this pandemic quickly but taking proper strategies can minimize the impact and recover the industry. This study provides an understanding of the present scenario of the impact of the COVID-19 pandemic with a guideline for future research to the academician and probable recovery strategies for the industry professional.