Suitability of pigeon pea and soybean flours as extenders and binders in restructured meat product (sausage)

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dc.contributor.authorGomezulu, A.D
dc.contributor.authorMongi, R.J
dc.contributor.authorKilima, B.M
dc.date.accessioned2022-10-31T10:00:56Z
dc.date.available2022-10-31T10:00:56Z
dc.date.issued2021
dc.description.abstractThe suitability of pigeon pea and soybean flours as an alternative to chemical binders and extenders in meat restructuring technology was investigated in this study. Pigeon pea flour (PPF) and soybean flour (SBF) were separately developed, assessed for their protein contents and each was used for sausage preparation at 2, 4, and 6% with plain (CB) and chemical phosphate binder (PhB) sausages serving as control samples. The processed sausages were then subjected to texture profile, water solubility index (WSI), sensory profile, and consumer acceptability analyses to assess the flours‘ performance. Soybean flour had a significantly (p<0.05) higher protein content (31% DM) than pigeon pea flour (22-24% DM). Texture profile parameters differed significantly(p<0.05) between samples with the highest hardness value observed inCB(424.0±1.53g) and lowest values in SBFs (277±1.11-332±1.5 g). The PhB and 4 and 6% SBFs samples had higher cohesiveness (0.46±0.02-0.54±0.03g), adhesiveness (9.0±0.10-10.9±0.25g) and WSI (2.8-3.0%) than respective lower values of 0.29± 0.04-0.42±0.04, 2.5±0.10-6.0±0.66and 1-2.4% in plain control and PPFs samples. The sensory analysis results revealed that PhB samples had significantly (p<0.05) higher colour (8.2±1.30), saltiness (5.8±1.56), and mouthfeel (6.9±1.20) intensities than other samples. Furthermore, the PhB, and 4 and 6% SBFssamples had significantly (p<0.05) higher moistness (0.46±0.02-0.54±0.03g), consumer acceptability (7.1±1.67-7.3±1.88) and preference (125-177)as well as lower hardness intensity (5.9±2.54-6.0±2.82) than other samples. In conclusion, soybean is richer in protein than pigeon pea and its incorporation of up to 6% in sausage produces a more acceptable product than plain control samples but with WSI, texture, and sensory profiles comparable to chemical binder samples. However, further studies to establish appropriate pigeon pea flour levels that will produce acceptable products with similar physical and sensory properties to chemical binder is recommended.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/4761
dc.language.isoenen_US
dc.publisherTAJASen_US
dc.subjectPigeon peaen_US
dc.subjectBinderen_US
dc.subjectSoybeanen_US
dc.subjectSausagesen_US
dc.subjectSensory profilesen_US
dc.subjectWater solubility indexen_US
dc.titleSuitability of pigeon pea and soybean flours as extenders and binders in restructured meat product (sausage)en_US
dc.typeConferencce Proceedingsen_US

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