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Raman spectroscopy compared against traditional predictors of shear force in lamb m. longissimus lumborum

Title data

Fowler, Stephanie M. ; Schmidt, Heinar ; van de Ven, Remy ; Wynn, Peter ; Hopkins, David L.:
Raman spectroscopy compared against traditional predictors of shear force in lamb m. longissimus lumborum.
In: Meat Science. Vol. 98 (December 2014) Issue 4 . - pp. 652-656.
ISSN 1873-4138
DOI: https://doi.org/10.1016/j.meatsci.2014.06.042

Official URL: Volltext

Abstract in another language

A Raman spectroscopic hand held device was used to predict shear force (SF) of 80 fresh lamb m. longissimus lumborum (LL) at 1 and 5 days post mortem (PM). Traditional predictors of SF including sarcomere length (SL), particle size (PS), cooking loss (CL), percentage myofibrillar breaks and pH were also measured. SF values were regressed against Raman spectra using partial least squares regression and against the traditional predictors using linear regression. The best prediction of shear force values used spectra at 1 day PM to predict shear force at 1 day which gave a root mean square error of prediction (RMSEP) of 13.6 (Null = 14.0) and the R2 between observed and cross validated predicted values was 0.06 (R2cv). Overall, for fresh LL, the predictability SF, by either the Raman hand held probe or traditional predictors was low.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Lehrstuhl Bioanalytik und Lebensmittelanalytik
Research Institutions > Research Units > Forschungsstelle für Nahrungsmittelqualität - ForN
Research Institutions
Research Institutions > Research Units
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
500 Science > 570 Life sciences, biology
Date Deposited: 25 Jan 2016 09:53
Last Modified: 25 Jan 2016 09:53
URI: https://eref.uni-bayreuth.de/id/eprint/29907