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Effect of High Pressure Processing on the quality of protein isolates extracted from shrimp head waste during refrigerated storage

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Title Effect of High Pressure Processing on the quality of protein isolates extracted from shrimp head waste during refrigerated storage
Not Available
 
Creator Sathish Kumar, K.
Elavarasan, K.
Pankaj Kishore
Binsi, P.K.
 
Subject Not Available
 
Description Not Available
Effect of high pressure treatment on physico-chemical and microbiological quality of protein isolates from shrimp head waste was evaluated. Protein isolates were prepared using alkali solubilisation and isoelectric point precipitation. Protein isolates were subjected to high pressure treatment at 200 and 400 M Pa with a holding time of 10 min at 30 plus or minus 3 degree celsius and the samples were designated as S-200 and S-400. Untreated samples were designated as control. The three groups were stored at 2 plus or minus 1 degree celsius for shelf life evaluation. Biochemical analysis such as TVB-N, TBARS and TMA showed increasing
trend during storage. The values obtained for biochemical quality indicators were higher than the acceptable limit for control on 21st day of storage, whereas S-200 was unacceptable by 35th day. The S-400 was
within the acceptable range even after 35 days of storage as revealed by biochemical analysis. The observed changes in biochemical quality parameters were well related with the APC. The coliforms were detected in control and S-200 samples on 28th day, whereas, the coliforms were not detected in S-400 throughout the storage study period. Enterobacteriaceae count of Control and S-200 increased, whereas, S- 400 sample was free from enterobacteriaceae during the storage. Whiteness (L) values of protein isolates increased with increase in pressure level. However, L values was decreased as storage period increased in all the samples.
The results revealed that the high pressure treatment at 400 MPa with a holding time of 10 min extended the shelf life of protein isolates by 14 days under refrigerated storage over the untreated sample.
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Date 2019-11-25T08:03:29Z
2019-11-25T08:03:29Z
2017-11-21
 
Type Other
 
Identifier Sathish Kumar, K.,Elavarasan, K.,Pankaj Kishore and Binsi, P.K. (2017) Effect of High Pressure Processing on the quality of protein isolates extracted from shrimp head waste during refrigerated storage. In: (Thomas, S.N., Rao, B.M., Madhu, V.R., Asha, K.K., Binsi, P.K., Viji, P., Sajesh, V.K. and Jha, P.N., Eds.) Fostering Innovations in Fisheries and Aquaculture: Focus on Sustainability and Safety – Book of Abstracts, 11th Indian Fisheries and Aquaculture Forum, ICAR-Central Institute of Fisheries Technology, Kochi and Asian Fisheries Society, Indian Branch, 21-24 November, 2017, Kochi, India, pp. 371-372.
978-81-933623-1-0
http://krishi.icar.gov.in/jspui/handle/123456789/25301
 
Language English
 
Relation Not Available;
 
Publisher ICAR-Central Institute of Fisheries Technology, Kochi and Asian Fisheries Society, Indian Branch