Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract

Chlorella sp. microalgae is a potential source of natural antioxidants and other bioactive compounds used in the food and pharmaceutical industries. Ultrasound pretreatments followed by enzymolysis are widely used to improve the functional properties of biological materials. This work aimed to inves...

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Main Authors: Setyani Budiari, Hamidatun Hamidatun, Euis Filailla, Nina Artanti, Anastasia Fitria Devi, Hakiki Melanie, Yati Maryati, Hani Mulyani, Agustine Susilowati, Aspiyanto Aspiyanto
Format: Article
Language:English
Published: Kementerian Kelautan dan Perikanan 2023-12-01
Series:Squalen
Subjects:
Online Access:http://www.bbp4b.litbang.kkp.go.id/squalen-bulletin/index.php/squalen/article/view/788
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author Setyani Budiari
Hamidatun Hamidatun
Euis Filailla
Nina Artanti
Anastasia Fitria Devi
Hakiki Melanie
Yati Maryati
Hani Mulyani
Agustine Susilowati
Aspiyanto Aspiyanto
author_facet Setyani Budiari
Hamidatun Hamidatun
Euis Filailla
Nina Artanti
Anastasia Fitria Devi
Hakiki Melanie
Yati Maryati
Hani Mulyani
Agustine Susilowati
Aspiyanto Aspiyanto
author_sort Setyani Budiari
collection DOAJ
description Chlorella sp. microalgae is a potential source of natural antioxidants and other bioactive compounds used in the food and pharmaceutical industries. Ultrasound pretreatments followed by enzymolysis are widely used to improve the functional properties of biological materials. This work aimed to investigate the effects of ultrasound pretreatments followed by bromelain hydrolysis on the proteins, phenolic content, and antioxidant activity of Chlorella sp. crude extract. The experimental design for the study involved two factors: ultrasound pretreatment time (0, 5, and 10 min) and bromelain hydrolysis time (0, 2, 4, and 6 hours). The protein was measured using Lowry assay while the total phenolic content was measured using a Folin–Ciocalteu assay. The highest protein content (7.09 ± 0.44 mg/mL) and phenolic concentrations (0.28 ± 0.01 ìg/mL) were obtained at 5 min ultrasound pretreatment and 6 hours enzymolysis. For antioxidant activity, 5 min ultrasound pretreatment followed by 4 hours of enzymolysis resulted in the highest DPPH (1,1-diphenyl-2-picrylhydrazyl radical) inhibitory activity (81.74%). Meanwhile, ultrasound pretreatment for 10 min followed by 6 hours of enzymolysis resulted in the highest ABTS (2,20 azinobis-(3-ethylbenzthiazoline-6-sulfonic acid) inhibitory activity (94.10%). This study showed that variation in ultrasound pretreatments followed by bromelain hydrolysis could be used to improve the protein content, phenolic content, and antioxidant activity of Chlorella sp. crude extract.
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spelling doaj.art-1aa5a76593734d3f8d47a08131e9c96a2023-12-31T09:45:32ZengKementerian Kelautan dan PerikananSqualen2089-56902406-92722023-12-0118310.15578/squalen.788358Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude ExtractSetyani Budiari0Hamidatun Hamidatun1Euis Filailla2Nina Artanti3Anastasia Fitria Devi4Hakiki Melanie5Yati Maryati6Hani Mulyani7Agustine Susilowati8Aspiyanto Aspiyanto9Research Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaSahid university, Jl. Prof. DR. Soepomo No.84, Menteng Dalam Tebet, South Jakarta 12870, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaResearch Center for Chemistry, National Research and Innovation Agency, KST BJ Habibie, South Tagerang 15314, IndonesiaChlorella sp. microalgae is a potential source of natural antioxidants and other bioactive compounds used in the food and pharmaceutical industries. Ultrasound pretreatments followed by enzymolysis are widely used to improve the functional properties of biological materials. This work aimed to investigate the effects of ultrasound pretreatments followed by bromelain hydrolysis on the proteins, phenolic content, and antioxidant activity of Chlorella sp. crude extract. The experimental design for the study involved two factors: ultrasound pretreatment time (0, 5, and 10 min) and bromelain hydrolysis time (0, 2, 4, and 6 hours). The protein was measured using Lowry assay while the total phenolic content was measured using a Folin–Ciocalteu assay. The highest protein content (7.09 ± 0.44 mg/mL) and phenolic concentrations (0.28 ± 0.01 ìg/mL) were obtained at 5 min ultrasound pretreatment and 6 hours enzymolysis. For antioxidant activity, 5 min ultrasound pretreatment followed by 4 hours of enzymolysis resulted in the highest DPPH (1,1-diphenyl-2-picrylhydrazyl radical) inhibitory activity (81.74%). Meanwhile, ultrasound pretreatment for 10 min followed by 6 hours of enzymolysis resulted in the highest ABTS (2,20 azinobis-(3-ethylbenzthiazoline-6-sulfonic acid) inhibitory activity (94.10%). This study showed that variation in ultrasound pretreatments followed by bromelain hydrolysis could be used to improve the protein content, phenolic content, and antioxidant activity of Chlorella sp. crude extract.http://www.bbp4b.litbang.kkp.go.id/squalen-bulletin/index.php/squalen/article/view/788antioxidant activitybromelainchlorella sp.ultrasound
spellingShingle Setyani Budiari
Hamidatun Hamidatun
Euis Filailla
Nina Artanti
Anastasia Fitria Devi
Hakiki Melanie
Yati Maryati
Hani Mulyani
Agustine Susilowati
Aspiyanto Aspiyanto
Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
Squalen
antioxidant activity
bromelain
chlorella sp.
ultrasound
title Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
title_full Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
title_fullStr Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
title_full_unstemmed Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
title_short Effect of Ultrasonic-Assisted Enzymolysis on Protein, Phenolic Content, and Antioxidant Activity of Chlorella sp. Crude Extract
title_sort effect of ultrasonic assisted enzymolysis on protein phenolic content and antioxidant activity of chlorella sp crude extract
topic antioxidant activity
bromelain
chlorella sp.
ultrasound
url http://www.bbp4b.litbang.kkp.go.id/squalen-bulletin/index.php/squalen/article/view/788
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