pH-Solubilzation Process as an Alternative to Enzymatic Hydrolysis  Applied to Shrimp Waste

Julio H. CÃ³rdova-Murueta; Fernando L. GarcÃ­a-CarreÃ±o; MarÃ­a de los Ãngeles Navarretedel- Toro

Makale detayları

pH-Solubilzation Process as an Alternative to Enzymatic Hydrolysis Applied to Shrimp Waste

Yazarlar:

Julio H. CÃ³rdova-Murueta | Fernando L. GarcÃa-CarreÃ±o | MarÃa de los Ãngeles Navarretedel- Toro

Yayıncı:

Trabzon Su Ürünleri Merkez Araştırma Enstitüsü

Dergi:

Turkish Journal of Fisheries and Aquatic Sciences 2013 Vol.13 Issue 4

Belge Tipi:

Makale

Yayın Tarihi:

7/2013

Belge Dili:

Türkçe

Document ID (Org No.):

2000838170

Sıklık:

Üç Aylık

pISSN:

1303-2712

Anahtar kelimeler:

Özet:

 

Waste materials derived from shrimp processing signify 40 to 45% of the weight of the catch or harvest. For  Biotechnology, waste materials are secondary material, as contrast of raw materials, to generate value-added products, such as  chitin, protein, and pigments. We used the pH-shift and enzymatic autohydrolysis processes to obtain protein concentrates  from the cephalothorax of whiteleg shrimp (Penaeus vannamei). Protein recovery by auto-hydrolysis and pH-shift was 83.3 %  (sum of two fractions) and 87.5 respectively. Functional properties from protein concentrates were assayed. The protein  concentrates obtained were: precipitated protein at pH=4.0 (PP4), remaining soluble protein at pH=4.0 (SP4), and hydrolyzed  protein (3HP). Precipitated protein (PP4) had 50 % foam stability; soluble protein (SP4) 31.5 %, and hydrolyzed protein had  no foam stability. Emulsion capacity of the protein concentrates was not different from egg albumin (control protein).  Hydrolyzed protein had higher emulsion stability than the other protein concentrates. Protein concentrates from the pH-shift  process had good balance of amino acids. Histidine and valine was not detected in hydrolyzed protein. The pH-shift process  demonstrated to be an alternative for protein hydrolysis to recover protein from shrimp cephalothorax. 	 	 		 .

 

Waste materials derived from shrimp processing signify 40 to 45% of the weight of the catch or harvest. For  Biotechnology, waste materials are secondary material, as contrast of raw materials, to generate value-added products, such as  chitin, protein, and pigments. We used the pH-shift and enzymatic autohydrolysis processes to obtain protein concentrates  from the cephalothorax of whiteleg shrimp (Penaeus vannamei). Protein recovery by auto-hydrolysis and pH-shift was 83.3 %  (sum of two fractions) and 87.5 respectively. Functional properties from protein concentrates were assayed. The protein  concentrates obtained were: precipitated protein at pH=4.0 (PP4), remaining soluble protein at pH=4.0 (SP4), and hydrolyzed  protein (3HP). Precipitated protein (PP4) had 50 % foam stability; soluble protein (SP4) 31.5 %, and hydrolyzed protein had  no foam stability. Emulsion capacity of the protein concentrates was not different from egg albumin (control protein).  Hydrolyzed protein had higher emulsion stability than the other protein concentrates. Protein concentrates from the pH-shift  process had good balance of amino acids. Histidine and valine was not detected in hydrolyzed protein. The pH-shift process  demonstrated to be an alternative for protein hydrolysis to recover protein from shrimp cephalothorax. 	 	 		 .

Makale detayları

pH-Solubilzation Process as an Alternative to Enzymatic Hydrolysis Applied to Shrimp Waste

Yazarlar:

Julio H. CÃ³rdova-Murueta | Fernando L. GarcÃa-CarreÃ±o | MarÃa de los Ãngeles Navarretedel- Toro

Yayıncı:

Trabzon Su Ürünleri Merkez Araştırma Enstitüsü

Dergi:

Turkish Journal of Fisheries and Aquatic Sciences 2013 Vol.13 Issue 4

Belge Tipi:

Makale

Yayın Tarihi:

7/2013

Belge Dili:

Türkçe

Document ID (Org No.):

2000838170

Sıklık:

Üç Aylık

pISSN:

1303-2712

Shrimp head waste

protein

pH-shift

hydrolysis

Sayı

Makale detayları

pH-Solubilzation Process as an Alternative to Enzymatic Hydrolysis Applied to Shrimp Waste

Yazarlar: Julio H. CÃ³rdova-Murueta | Fernando L. GarcÃ­a-CarreÃ±o | MarÃ­a de los Ãngeles Navarretedel- Toro

Yayıncı: Trabzon Su Ürünleri Merkez Araştırma Enstitüsü

Dergi: Turkish Journal of Fisheries and Aquatic Sciences 2013 Vol.13 Issue 4

Belge Tipi: Makale

Yayın Tarihi: 7/2013

Belge Dili: Türkçe

Document ID (Org No.): 2000838170

Sıklık: Üç Aylık

pISSN: 1303-2712

Shrimp head waste

protein

pH-shift

hydrolysis

Sayı

Yazarlar:

Julio H. CÃ³rdova-Murueta | Fernando L. GarcÃa-CarreÃ±o | MarÃa de los Ãngeles Navarretedel- Toro

Yayıncı:

Trabzon Su Ürünleri Merkez Araştırma Enstitüsü

Dergi:

Turkish Journal of Fisheries and Aquatic Sciences 2013 Vol.13 Issue 4

Belge Tipi:

Makale

Yayın Tarihi:

7/2013

Belge Dili:

Türkçe

Document ID (Org No.):

2000838170

Sıklık:

Üç Aylık

pISSN:

1303-2712