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Monitoring fish oil volatiles to assess the quality of fish oil

✍ Scribed by Jenna C. Sullivan; Suzanne M. Budge

Publisher
Wiley (John Wiley & Sons)
Year
2010
Tongue
English
Weight
817 KB
Volume
22
Category
Article
ISSN
0956-666X

No coin nor oath required. For personal study only.

✦ Synopsis

The fish oil industry is continuously growing; however there is a lack of analytical methods to assess fish oil quality that correlate with the results obtained through sensory testing. Solid phase microextraction (SPME) provides a means to monitor the concentration of oxidative volatiles in fish oil. Because volatile oxidation products are responsible for the off-flavours found in oxidized fish oil, this technique may be used as a substitute for sensory panels. Principal component analysis (PCA), combined with sensory panels, can be used to determine the oxidation products that are most correlated with degradation of the sensory properties of the oil. This creates the potential for development of methods that can determine when the sensory qualities of oil have deteriorated beyond an acceptable level.

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