Abstract
Lipid oxidation-induced quality problems can be minimized with the use of natural antioxidants. The antioxidant potential of pink guava pulp (PGP) was evaluated at different levels (0%; C, 5.0%; T-1, 7.5%; T-2 and 10.0%; T-3) in the raw pork emulsion during refrigerated storage of 9 days under aerobic packaging. Lycopene and β-carotene contents increased (P < 0.05) with PGP levels. The redness (a*) increased (P < 0.05), whereas L*decreased (P < 0.05) with the incorporation of PGP. The visual colour and odour scores were greater (P < 0.05) in PGP-treated products than control. Percent metmyoglobin formation was greater (P < 0.05) in the control than PGP-treated products, and increased (P < 0.05) during storage in all the treatments. Overall, peroxide value, thiobarbituric acid reactive substances and free fatty acid values were lower (P < 0.05) in PGP-treated raw emulsion than control throughout storage period. Our results indicated that pink guava pulp can be utilized as antioxidants in raw pork products to minimize lipid oxidation, off-odour development, and surface discolouration.
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Joseph, S., Chatli, M.K., Biswas, A.K. et al. Efficacy of pink guava pulp as an antioxidant in raw pork emulsion. J Food Sci Technol 51, 1492–1500 (2014). https://doi.org/10.1007/s13197-012-0668-1
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DOI: https://doi.org/10.1007/s13197-012-0668-1