ACE inhibitory and antioxidant activities of red scorpionfish (Scorpaena notata) protein hydrolysates

Fish protein hydrolysates with different degrees of hydrolysis were prepared from muscle and heads of red scorpionfish ( Scorpaena notata ) by treatment with different proteases (Flavourzyme, Trypsin from bovine pancreas and crude enzyme preparations from the intestines of red scorpionfish and from...

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Bibliographic Details
Published inJournal of food science and technology Vol. 52; no. 11; pp. 7092 - 7102
Main Authors Aissaoui, Neyssene, Abidi, Ferid, Marzouki, M. Nejib
Format Journal Article
LanguageEnglish
Published New Delhi Springer India 01.11.2015
Springer Nature B.V
Subjects
ACE inhibitors
Amino acids
Antihypertensives
Antioxidants
By products
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Enzymes
Fish
Fisheries
Food
Food Science
Laboratories
Marine
Meat industry
Nutrition
Original Article
Penicillium digitatum
Peptides
Proteins
Scorpaena notata
Studies
Tunisia
Angiotensin-I converting enzyme inhibitory activity
Hydrolysate
Protease
Antioxidant activity
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Summary:Fish protein hydrolysates with different degrees of hydrolysis were prepared from muscle and heads of red scorpionfish ( Scorpaena notata ) by treatment with different proteases (Flavourzyme, Trypsin from bovine pancreas and crude enzyme preparations from the intestines of red scorpionfish and from the fungus Penicillium digitatum ). The antioxidant and the antihypertensive activities of the hydrolysates were tested. The antioxidant power was evaluated through DPPH free radical scavenging activity, reducing power and metal chelating activity. All hydrolysates showed different degrees of hydrolysis and varying degrees of antioxidant activity. The hydrolysates obtained by treatment with crude enzyme preparations exhibited the highest antioxidant activity. Further, red scorpionfish head protein hydrolysates obtained with fungal protease and with fish crude protease were found to strongly inhibit the angiotensin-I converting enzyme (IC 50 of 0.489 and 0.901 mg/ml, respectively). These results suggested that hydrolysates of red scorpionfish obtained by treatment with crude enzyme preparations would be a beneficial ingredient for functional food or pharmaceuticals against hypertension.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0022-1155
0975-8402
DOI:10.1007/s13197-015-1862-8