The ability of slurry ice to reduce freshness quality degradation of cantang grouper (Epinephelus sp)

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Grouper (Epinephelus sp) is a reef fish that has high economic value in fresh conditions and was very popular at domestic and foreign markets, especially in ASEAN countries, but it also a perishable food. The level of freshness of grouper can affect its economic value, the lower the level of freshness, the lower the economic value. This study aims to determine whether the storage of the grouper (Epinephelus sp) at temperature maintained between (-4 °C)-0 °C for 21 days with seven intervals from day 0 using slurry ice will slow down the decrease of it is quality. This research was conducted using four test methods such as organoleptic test, microbiological test with total plate count (TPC) method, and chemical test using the total volatile base (TVB) method. The organoleptic value on the 14th storage day which is 6.37 has exceeded the maximum limit of fresh fish according to SNI 2729:2013 which is 7.00. The total number of colonies on the 21st storage day has exceeded the maximum limit of fresh fish which is 5 x 105, presumably a decrease in freshness quality has occurred between the 14th to 21st days of storage. The value of TVB on the 14th day of storage which is 20.53 mg-N/100 g has exceeded the maximum limit of fresh fish which is 20 mg-N/100 g. The grouper fish was only effective for up to 14 days using slurry ice storage at a temperature maintained between (-4 °C)-0 °C.

Original languageEnglish
Title of host publicationProceedings of the 5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
EditorsTerry Mart, Djoko Triyono, Tribidasari Anggraningrum Ivandini
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735420014
DOIs
Publication statusPublished - 1 Jun 2020
Event5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019 - Depok, Indonesia
Duration: 9 Jul 201910 Jul 2019

Publication series

NameAIP Conference Proceedings
Volume2242
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2019
Country/TerritoryIndonesia
CityDepok
Period9/07/1910/07/19

Keywords

  • Epinephelus sp
  • slurry ice
  • Total plate number (ALT)
  • total volatile based (TVB)

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