scholarly journals Optimization of Antimicrobial Combined Effect of Organic Acids and Temperature on Foodborne Salmonella and Escherichia coli in Cattle Feed by Response Surface Methodology

2013 ◽  
Vol 10 (12) ◽  
pp. 1030-1036 ◽  
Author(s):  
Isabel Rodríguez Amado ◽  
Jose Antonio Vázquez ◽  
Pablo Fuciños ◽  
Jesús Méndez ◽  
Lorenzo Pastrana
Keyword(s):  
Escherichia Coli ◽  
Response Surface Methodology ◽  
Organic Acids ◽  
Response Surface ◽  
Combined Effect ◽  
Cattle Feed

Modeling the Growth of Escherichia coli under the Effects of Carum copticum Essential Oil, pH, Temperature and NaCl Using Response Surface Methodology

2012 ◽  
Vol 32 (4) ◽  
pp. 415-425 ◽  
Author(s):  
Maryam Shahnia ◽  
Donald W. Schaffner ◽  
Ali Khanlarkhani ◽  
Farzaneh Shahraz ◽  
Behrad Radmehr ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Response Surface Methodology ◽  
Essential Oil ◽  
Response Surface ◽  
Carum Copticum

scholarly journals Collagen Extraction Optimization from the Skin of the Small-Spotted Catshark (S. canicula) by Response Surface Methodology

Marine Drugs ◽  
2019 ◽  
Vol 17 (1) ◽  
pp. 40 ◽  
Author(s):  
María Blanco ◽  
José Antonio Vázquez ◽  
Ricardo I. Pérez-Martín ◽  
Carmen G. Sotelo
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Extraction Procedure ◽  
Amino Acid Content ◽  
Combined Effect ◽  
Human Consumption ◽  
Concentration Time ◽  
Sds Page ◽  
Skin Collagen ◽  
Pre Treatment

The small-spotted catshark is one of the most abundant elasmobranchs in the Northeastern Atlantic Ocean. Although its landings are devoted for human consumption, in general this species has low commercial value with high discard rates, reaching 100% in some European fisheries. The reduction of post-harvest losses (discards and by-products) by promotion of a full use of fishing captures is one of the main goals of EU fishing policies. As marine collagens are increasingly used as alternatives to mammalian collagens for cosmetics, tissue engineering, etc., fish skins represent an excellent and abundant source for obtaining this biomolecule. The aim of this study was to analyze the influence of chemical treatment concentration, temperature and time on the extractability of skin collagen from this species. Two experimental designs, one for each of the main stages of the process, were performed by means of Response Surface Methodology (RSM). The combined effect of NaOH concentration, time and temperature on the amount of collagen recovered in the first stage of the collagen extraction procedure was studied. Then, skins treated under optimal NaOH conditions were subjected to a second experimental design, to study the combined effect of AcOH concentration, time and temperature on the collagen recovery by means of yield, amino acid content and SDS-PAGE characterization. Values of independent variables maximizing collagen recovery were 4 °C, 2 hours and 0.1 M NaOH (pre-treatment) and 25 °C, 34 hours and 1 M AcOH (collagen extraction).

Optimization of human interferon gamma production in Escherichia coli by response surface methodology

2008 ◽  
Vol 13 (1) ◽  
pp. 7-13 ◽  
Author(s):  
Victor E. Balderas Hernández ◽  
Luz M. T. Paz Maldonado ◽  
Emilio Medina Rivero ◽  
Ana P. Barba de la Rosa ◽  
Leandro G. Ordoñez Acevedo ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Response Surface Methodology ◽  
Response Surface ◽  
Interferon Gamma ◽  
Human Interferon
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