Characteristic of semisolid isinglass from catfish (Pangasius sp.) swimbladder based on different concentration in acetic and citric acid solution

W. N. Asty, Yasman, Wisnu Wardhana

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

Abstract

Catfish culture is currently being developed in Indonesia. Fishing industry produce waste, such as swim bladder, which is potential for production of edible coating and fining agent. This research aims to analyze semisolid isinglass characteristics (pH, moisture, protein, fat, ash, proline and glycine content). Catfish swim bladder was soaked in acetic and citric acid solution with concentration of 1%, 1.5% and 2%, respectively. Result of analysis showed that, the semisolid isinglass soaked in acetic acid solution had average pH between 2.41-2.69, moisture between 98.97%-99.08%, 0% ash content, fat ranging between 0.20%-0.21%%, protein between 0.49%-0.53%, proline between 462.82 ppm-605.88 ppm and glycine between 1069.35 ppm-1163.08 ppm. The semisolid isinglass soaked in citric acid solution had average pH between 1.75-1.94, moisture between 97.62%-98.55%, 0% ash content, fat between 0.00%-0.47%, protein between 0.11%-0.20%, proline ranged between 377.49 ppm-469.63 ppm and glycine ranged between 964.07 ppm-1056.26 ppm. Based on statistical analysis, all concentration from both acids showed significant effect on pH value and moisture content.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
EditorsRatna Yuniati, Terry Mart, Ivandini T. Anggraningrum, Djoko Triyono, Kiki A. Sugeng
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417410
DOIs
Publication statusPublished - 22 Oct 2018
Event3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 - Bali, Indonesia
Duration: 26 Jul 201727 Jul 2017

Publication series

NameAIP Conference Proceedings
Volume2023
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
CountryIndonesia
CityBali
Period26/07/1727/07/17

Keywords

  • Acetic acid
  • catfish (Pangasius sp.)
  • citric acid
  • isinglass
  • swim bladder

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