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Valorization of discarded industrial processing wastes of Siboga squid (Doryteuthiis sibogae) for the extraction and physico-chemical characterization of gelatin

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Title Valorization of discarded industrial processing wastes of Siboga squid (Doryteuthiis sibogae) for the extraction and physico-chemical characterization of gelatin
 
Creator Rajasree, S R Radhika
Aranganathan, L
Gopalakrishnan, M
 
Subject 1H NMR
AFM
Siboga squid
gelatin
Waste valorization
 
Description 490-495
A growing concern on the accumulation and disposal of fish processing discards and environmental degradation induces
a profound attraction on the development of valuable byproducts for human purposes. Gelatin was isolated from Siboga
squid (Doryteuthiis sibogae) skin through cold maturation process and its physico-chemical as well as structural properties
viz. Water Holding Capacity (WHC), emulsifying capacity, emulsifying stability and viscosity were analyzed. The alkaline
treatment of skin yielded 7.5 % gelatin powder. Extracted gelatin was characterized using UV-visible spectroscopy, 1H
NMR, FT-IR and Raman analyses. Based on FT-IR and Raman fingerprints, peak located at 1664 cm-1 (C=O stretch Amide
I band) could be inferred that secondary structure of proteins as well as coiled structure of gelatin. Topographic analysis by
AFM showed presence of aggregates of the polymer. The results suggest that the Siboga squid gelatin is an alternative
source of gelatin and its potential applicability at industrial scale.
 
Date 2022-08-22T11:20:10Z
2022-08-22T11:20:10Z
2022-05
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscpr.res.in/handle/123456789/60319
https://doi.org/10.56042/ijms.v51i05.65565
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJMS Vol.51(05) [May 2022]