Effect of phosphate with tumbling on lipid oxidation of precooked roast beef |
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Authors: | Cheng Jen-Hua Ockerman Herbert W |
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Affiliation: | Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA |
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Abstract: | This study was a 4×2×4 factorial experiment, sodium tripolyphosphate (0, 0.25, 0.4 and 0.5%), tumbling (nontumbled and tumbled), and storage time (day 0, 2, 4 and 7). Cooking yield was dependent on the level of phosphate and tumbling. For thiobarbituric acid reactive substances (TBARS) values, only sodium tripolyphosphate level and storage time had a significant two-way interaction. The TBARS value of tumbled roast beef with phosphates was the same as that of nontumbled roast beef. For the interaction of phosphate level and storage time, roast beef without phosphate had the significantly highest TBARS values compared with other phosphate levels at day 4 of storage. At day 7, the addition of 0.5% phosphate maintained the oxidative stability of precooked roast beef. The use of 0.5% sodium tripolyphosphate, an iron chelator, should be an effective strategy to reduce the formation of TBARS in precooked roast beef. |
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Keywords: | Sodium tripolyphosphate Tumbling Precooked roast beef TBARS values Lipid oxidation |
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