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:: Volume 1, Issue 2 (5-2021) ::
3 2021, 1(2): 29-37 Back to browse issues page
Amino acids profile changes of silver carp (Hypophthalmichthys molitrix) skin hydrolysate during hydrolyzing by Alcalase
S.H. Jalili *, A.A. Motallebi, F. Noghani, M. Rahnama, M. Seifzadeh, F. Khodabandeh
Abstract:   (113 Views)
Silver carp (Hypophthalmichthys molitrix) skin (SCS) is available as by-product in minced products manufacturing plants. Amino acids (AAs) profile changes of SCS hydrolysates, influenced by the time of hydrolysis by Alcalase, was studied. Different centrifuge cycles were used to clarify hydrolysates. Hydrolysis by Alcalase showed different effects on the AAs profile of SCS hydrolysates. As the hydrolysis time prolonged, the amount of total hydrophobic AAs decreased and total amount of hydrophilic AAs increased. Decreases in some AAs during 2 to 4 h and then from 4 to 6 h were significant (p<0.05). With the progression of hydrolysis (>2 h) the solution turned somewhat opaque and colored milky particles were observed. Increasing precipitation, possibly due to plastein formation, can change AAs profile and functional properties of hydrolysates. The results can be used to design enzymatic processes for the production of bioactive peptides with different functional properties and applications from fisheries by-products.
 
Keywords: Silver carp skin, Hydrolysis time, Alcalase, Amino acids profile
Full-Text [PDF 224 kb]   (56 Downloads)    
Type of Study: Research | Subject: General
Received: 2021/07/5 | Accepted: 2021/07/1 | Published: 2021/07/1
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Jalili S, Motallebi A, Noghani F, Rahnama M, Seifzadeh M, Khodabandeh F. Amino acids profile changes of silver carp (Hypophthalmichthys molitrix) skin hydrolysate during hydrolyzing by Alcalase. 3. 2021; 1 (2) :29-37
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Volume 1, Issue 2 (5-2021) Back to browse issues page
مجله علمی- پژوهشی بین المللی علوم آبزیان International Journal of Aquatic Research
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