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Título: | Effects of dietary inclusion of sunflower soap stocks on colour, oxidation and microbiological growth of meat from light fattening lambs |
Autor: | Blanco, Carolina CSIC ORCID; Bodas, Raúl CSIC ORCID; Andrés, Sonia CSIC ORCID ; Rodríguez-Calleja, J. M.; Mateo, J.; Rozada, F. CSIC ; Giráldez, Francisco Javier CSIC ORCID | Palabras clave: | Antioxidants By-product Escherichia coli Oxysterols, Shelf life Spoilage Sunflower TBARS |
Fecha de publicación: | 2020 | Editor: | Blackwell Publishing | Citación: | International Journal of Food Science and Technology 55: 1119- 1125 (2020) | Resumen: | Thirty-two lambs were finished on a total mixed ration (TMR) pelleted alone (00SS) or including sunflower soap stock (SS): 15SS (15 g SS per kg TMR), 30SS (30 g SS per kg TMR) and 60SS (60 g SS per kg TMR). Lambs (8 per group) were slaughtered at 27 kg live weight. Colour evolution, lipid oxidation, microbial growth and detection of diarrhoeagenic Escherichia coli were studied in meat samples. SS in the diet reduced meat lipid oxidation (P < 0.05), but had no significant effect (P > 0.05) on the cholesterol oxidation products. Meat from 60SS and control animals (00SS) revealed greater discoloration (P < 0.05) than 15SS. SS supplementation did not affect the microbiological populations, whereas high doses of SS seemed to increase the proliferation of diarrhoeagenic E. coli on day 14 (P < 0.10). These results suggest that the rate of SS inclusion in the diet of fattening lambs should not be above 15 g SS per kg TMR. | Descripción: | 7 páginas, 5 tablas. | Versión del editor: | http://dx.doi.org/10.1111/ijfs.14277 | URI: | http://hdl.handle.net/10261/220677 | DOI: | 10.1111/ijfs.14277 | Identificadores: | doi: 10.1111/ijfs.14277 issn: 1365-2621 |
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