AI Article Synopsis
- The study examined how different LED light color temperatures (Neutral, Warm, and Cool) affect the quality of breast meat from AZ Extra Heavy Red chickens compared to traditional neon lighting.
- Results showed that Neutral LED raised cooking loss in meat, while Cool LED improved the levels of healthy monounsaturated fatty acids and altered volatile compound profiles.
- The findings suggest that LED lighting significantly influences the meat's chemical properties, but further research is required to assess potential impacts on taste and consumer preferences.
Article Abstract
The objective of our study was to investigate the role of three different light-color temperatures of Light-Emitting Diodes (LEDs) [Neutral (K=3300-3700); Warm (K=3000-2500) and Cool (K=5500-6000)] on the qualitative attributes of breast meat obtained from male AZ Extra Heavy Red chickens. The comparison was made with meat deriving from chickens reared in the presence of classic neon lighting (Control). The meat was analyzed for the determination of both physical and chemical properties (cooking loss, moisture, total lipids and fatty acid composition). Furthermore, meat samples subjected to cooking were also analyzed for the identification of volatile compounds produced during the process; such evaluation was performed both immediately after cooking (T0) and after 7 days (T7) of cooked-meat storage at 4 °C. Cooking-loss values were higher for samples from chickens raised with Neutral LED ( < 0.05) compared to the other groups. For the fatty acid profiles of the meat, higher values were found for monounsaturated fatty acids (MUFAs) such as C18:1, C9 and C16:1 in Cool LED compared to the Control. Regarding the volatile profile of cooked meat, compounds belonging to the families of aldehydes, alcohols, ketones, and aromatic compounds were identified. Compounds belonging to the aldehyde family, such as hexanal, increased in Cool LED samples at T0 in comparison to the Control. On the other hand, the amounts of 1-Pentanol, 1-Octanol and 2-Octen-1-ol, which belong to the alcohol family, increased at T7 in Cool LED samples compared to the Warm LED. In conclusion, LED lighting showed to be effective in inducing significant variations on chicken breast meat ready to be introduced to the market, in particular regarding fatty acid profiles and the accumulation of volatile compounds. However more in-depth evaluation is needed for the identification of modifications regarding the sensorial sphere, which could have an impact on the consumer acceptability of the product.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8834572 | PMC |
| http://dx.doi.org/10.3390/foods11030370 | DOI Listing |
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