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2017 | OriginalPaper | Buchkapitel

23. Proteins: Extraction, Quantitation, and Electrophoresis

verfasst von : Denise M. Smith

Erschienen in: Food Analysis Laboratory Manual

Verlag: Springer International Publishing

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Abstract

In this laboratory exercise, sarcoplasmic muscle proteins of fish are extracted with a salt solution, the protein content of the extract is measured by the bicinchoninic acid (BCA) colorimetric assay, and the proteins in the fish extracts are separated and visualized by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Visualization of the protein banding patterns (subunit size and relative quantity) makes it possible to distinguish among different types of fish since many fish have a characteristic protein subunit pattern.

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Literatur
Zurück zum Zitat Chang SKC, Zhang Y (2017) Protein analysis. Ch. 18. In: Nielsen SS (ed) Food analysis, 5th edn. Springer, New York Chang SKC, Zhang Y (2017) Protein analysis. Ch. 18. In: Nielsen SS (ed) Food analysis, 5th edn. Springer, New York
Zurück zum Zitat Etienne M et al. (2000) Identification of fish species after cooking by SDS-PAGE and urea IEF: a collaborative study. J Agr Food Chem 48:2653–2658CrossRef Etienne M et al. (2000) Identification of fish species after cooking by SDS-PAGE and urea IEF: a collaborative study. J Agr Food Chem 48:2653–2658CrossRef
Zurück zum Zitat Etienne M et al. (2001) Species identification of formed fishery products and high pressure-treated fish by electrophoresis: a collaborative study. Food Chem 72:105–112CrossRef Etienne M et al. (2001) Species identification of formed fishery products and high pressure-treated fish by electrophoresis: a collaborative study. Food Chem 72:105–112CrossRef
Zurück zum Zitat Laemmli UK (1970) Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature 227:680–685CrossRef Laemmli UK (1970) Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature 227:680–685CrossRef
Zurück zum Zitat Olsen BJ and Markwell J (2007) Assays for the determination of protein concentration. Unit 3.4 Basic Protocol 3. BCA Assay. Current Protocols in Protein Science John Wiley and Sons, New York Olsen BJ and Markwell J (2007) Assays for the determination of protein concentration. Unit 3.4 Basic Protocol 3. BCA Assay. Current Protocols in Protein Science John Wiley and Sons, New York
Zurück zum Zitat Piñeiro C et al (1999) Development of a sodium dodecyl sulfate-polyacrylamide gel electrophoresis reference method for the analysis and identification of fish species in raw and heat-processed samples: a collaborative study. Electrophoresis 20:1425–1432CrossRef Piñeiro C et al (1999) Development of a sodium dodecyl sulfate-polyacrylamide gel electrophoresis reference method for the analysis and identification of fish species in raw and heat-processed samples: a collaborative study. Electrophoresis 20:1425–1432CrossRef
Zurück zum Zitat Smith DM (2017) Protein separation and characterization. Ch. 24. In: Nielsen SS (ed) Food analysis, 5th edn. Springer, New York Smith DM (2017) Protein separation and characterization. Ch. 24. In: Nielsen SS (ed) Food analysis, 5th edn. Springer, New York
Metadaten
Titel
Proteins: Extraction, Quantitation, and Electrophoresis
verfasst von
Denise M. Smith
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-44127-6_23