Adição de ácido latico e ácido cítrico como conservante da carne mecanicamente separada.
This project was conducted evaluating the action of lactic acid and citric acid as preservatives, anti-oxidant and anti-microbial in mechanically deboned chicken (CMS). It is known that the raw materials that make up the CMS, contains a high percentage of fat, the presence of metals and for being a...
| Autor principal: | Motta, Elizandra Santos da |
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| Formato: | Trabalho de Conclusão de Curso (Graduação) |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2020
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/11651 |
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| Resumo: |
This project was conducted evaluating the action of lactic acid and citric acid as preservatives, anti-oxidant and anti-microbial in mechanically deboned chicken (CMS). It is known that the raw materials that make up the CMS, contains a high percentage of fat, the presence of metals and for being a milled product, the contact surface is greater on the light, oxygen, and there is a redistribution of microbial load. Due to these factors was assessed by the addition of citric acid and lactic acid in concentrations of 0.3%, 0.5%, 1% as agents in CMS, promoted the retarding lipid oxidation and deterioration by microorganisms. The additives are able to inhibit or delay changes caused by physico-chemical agents, which were measured through analysis. Added acids increased the pH of the samples, but on the 5th day of analysis stabilized the pH of the same, as for the determination of total acidity and peroxide value, Treatments 2:05 fared better with low acidity and oxidation. Microbiological analyzes were performed using Salmonella sp traditional method, showed no growth in all samples, the same way that the analysis of determination of reducing clostridia count to 46 ° C and Clostridium perfringens in return enumeration of Staphylococcus coagulase-positive (S. aureus) by petrifilm showed lower microbial growth for the Treatment 2. observed that hears an improvement in retention and therefore a longer useful life for the samples treated with addition of acids in the ratio of 0, 3%. |
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