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Enzymatic hydrolysis of protein hydrolysate from Pangasius sp. by-product using bromelain

Fish protein hydrolysate (FPH) is a product resulting from the degradation of fish protein into simple peptides and amino acids through hydrolysis. This study aims to optimise the enzymatic hydrolysis conditions of Pangasius sp. by-products to produce high-quality fish protein hydrolysate. Bromelain...

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Bibliographic Details
Main Authors: Rahmi Nurdiani, Muhamad Firdaus, Asep Awaludin Prihanto, Abdul Aziz Jaziri, Muhammad Rayhansyah Jati, Taufiq Rizki Abdurrahman, Syaravina Ifilah, Elfriede Rositta Debataraja, Nurul Huda
Format: Article
Language:English
English
Published: Enviro Research Publishers 2024
Subjects:
QP1-345 General Including influence of the environment
TX341-641 Nutrition. Foods and food supply
Online Access:https://eprints.ums.edu.my/id/eprint/39452/1/ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/39452/2/FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/39452/
https://dx.doi.org/10.12944/CRNFSJ.12.1.10
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Summary:Fish protein hydrolysate (FPH) is a product resulting from the degradation of fish protein into simple peptides and amino acids through hydrolysis. This study aims to optimise the enzymatic hydrolysis conditions of Pangasius sp. by-products to produce high-quality fish protein hydrolysate. Bromelain enzyme was used as the catalyst for hydrolysis. The degree of hydrolysis (DH), pH and antioxidant activity of FPH were used as response parameters. The optimisation was done using response surface methodology (RSM) by applying two factors (enzyme concentration and incubation time) with a 3-level Central Composite Design (CCD) model. The result showed that the bromelain concentration and incubation time gave significantly different effects (p<0.05) on the response parameters of Pangasius protein hydrolysate. Hydrolysis of Pangasius protein with 0.04% bromelain enzyme and incubation time of 2.8 hours resulted in DH, pH and DPPH antioxidant activity of 35.88%, 7.07 and 29.86%, respectively. The response value of Pangasius protein hydrolysate was within the range of the predicted value of hydrolysate. Therefore, the optimum conditions suggested by RSM can be used in the future production of Pangasius FPH. In addition, amino acid profiles of Pangasius protein hydrolysate showed high concentrations of Glycine, L-glutamic acid and L-aspartic Acid.

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