Predicting frankfurters quality metrics using light backscatter

Gema Nieto, Youling L. Xiong, Fred Payne, Manuel Castillo

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Abstract

The objective of this study was to determine whether light backscatter response from fresh pork meat emulsions is correlated to final product stability indices, such as textural parameters, susceptibility of the emulsion to phase separation during cooking and lipid oxidation during subsequent storage. A specially designed fiber optic measurement system was used in combination with a miniature fiber optic spectrometer to determine the intensity of light backscatter within the wavelength range 300-1100 nm at different radial distances (2, 2.5 and 3 mm) with respect to the light source in pork meat emulsions with two fat levels (15%, 30%) and two levels (0%, 2.5%) of the natural antioxidant hydrolyzed potato protein (HPP). Textural parameters (hardness, deformability, cohesiveness and breaking force), cooking loss, TBARS (1, 2, 3, and 7 days) and CIELAB color coordinates of emulsions were measured. The results showed that light backscatter response measured during meat emulsification has potential as an early predictor of emulsion stability during finely comminuted meat products manufacturing.

Original languageAmerican English
Pages (from-to)132-138
Number of pages7
JournalJournal of Food Engineering
Volume143
DOIs
Publication statusPublished - Dec 2014

Keywords

  • Emulsion stability
  • Fiber optic
  • Frankfurters
  • Light backscatter
  • Prediction
  • Sensor

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