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RISS 인기검색어
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- 저자 : Jimmy T . Keeton (검색결과 5 건)
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Low-fat Bologna Formulated with Konjac Blends and Soy Protein Isolate
Chin,Koo B.,Keeton,Jimmy T. 동물자원연구센터 1999 1999년도 동물자원연구센터 학술심포지움 Vol.1999 No.-
The objective of this study was to evaluate levels (0.5% and 1.0%) of konjac blends (KBs; KSS = Konjac flour and starch, and KNC = Konjac flour, carrageenan and starch) and soy protein isolate (SPI, 0 and 2%) as fat replacements in low-fat bologna (LFB < 2% fat), and to compare them to a control (CTL Ⅱ, 30% fat). CTL Ⅱ had higher pH, less moisture and protein (%), expressible moisture (EM, %), and more fat (%) than other treatments. All KB samples were darker and more red (P < .05) than CTL Ⅱ, while those with 2% SPI were more yellow than those without SPI, Compared to CTL Ⅱ, LFB samples with 0.5% KBs were harder, springier and more cohesive, while those with 1.0% KBs were lower in fracturability. Comparisons between KB levels found 0.5% to be lighter in overall color more yellow, harder and gummier than the 1.0% KB level. LFB containing KSS had more EM and vacuum purge, and was lighter and more yellow as compared to bologna with KNC, but no differences (P >.05) in textural parameters were apparent. Sensroy evaluation indicated that 1.0% KBs reduced pepper, spice (aftertaste) and salt taste resulting in sensory flavor scores similar to the CTL Ⅱ. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) showed differences in salt soluble protein fractions between low-fat bologna and CTL Ⅱ upon cooking. Ultrastructural comparisons of LFB containing KBs and SPI, and CTL Ⅱ showed differences among protein, fat and polysaccharide components. Overall, the 1.0% KB level with 2% SPI had characteristics similar to the CTL Ⅱ based on TPA values and sensory flavor tests.
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Hakan Benli,Marcos X. Sanchez-Plata,Osman Irfan Ilhak,Maryuri T. Nunez De Gonzalez,Jimmy T. Keeton 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.3
The objective of this study was to evaluate the effects of sequential applications of ε-polylysine (EPL) or lauramide arginine ethyl ester (LAE) sprays followed by an acidic calcium sulfate (ACS) spray on inoculated chicken carcasses to reduce Salmonella (Salmonella enterica serovars including Salmonella typhimurium and Salmonella enteritidis) contamination during 6 days of storage (4.4°C). Secondly, reductions of the resident microflora were studied on uninoculated chicken carcasses following the sequential application of the treatments, chilling and 10 days of storage at 4.4°C. The treatment of Salmonella inoculated carcasses with 300 mg/L EPL followed by 30% ACS (EPL300-ACS30) sprays reduced Salmonella counts initially by 1.5 log cfu/mL and then by 1.2 log cfu/mL (p<0.05) following 6 days of storage at 4.4°C. Likewise, 200 mg/L LAE followed by 30% ACS (LAE200-ACS30) treatment reduced initial Salmonella counts on poultry carcasses by 1.8, 1.4 and 1.8 log cfu/mL (p<0.05), respectively, after 0, 3, and 6 days storage. Immediately after the treatments, EPL300-ACS30 and LAE200-ACS30 both reduced Escherichia coli counts significantly by 2.6 and 2.9 log cfu/mL, respectively. EPL300-ACS30 and LAE200-ASC30 were effective in lowering psychrotroph counts by 1 log cfu/mL on day 10 when compared to the control and distilled water treatments. This study demonstrated that EPL300-ACS30 and LAE200-ACS30 were effective in reducing Salmonella on inoculated chicken carcasses both after treatment and during the storage at 4.4°C for up to 6 days. In addition, reductions in psychrotroph counts indicated that these treatments might have the potential to increase the shelf-life of poultry carcasses.
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Benli, Hakan,Sanchez-Plata, Marcos X.,Ilhak, Osman Irfan,De Gonzalez, Maryuri T. Nunez,Keeton, Jimmy T. Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.3
The objective of this study was to evaluate the effects of sequential applications of ${\varepsilon}$-polylysine (EPL) or lauramide arginine ethyl ester (LAE) sprays followed by an acidic calcium sulfate (ACS) spray on inoculated chicken carcasses to reduce Salmonella (Salmonella enterica serovars including Salmonella typhimurium and Salmonella enteritidis) contamination during 6 days of storage ($4.4^{\circ}C$). Secondly, reductions of the resident microflora were studied on uninoculated chicken carcasses following the sequential application of the treatments, chilling and 10 days of storage at $4.4^{\circ}C$. The treatment of Salmonella inoculated carcasses with 300 mg/L EPL followed by 30% ACS (EPL300-ACS30) sprays reduced Salmonella counts initially by 1.5 log cfu/mL and then by 1.2 log cfu/mL (p<0.05) following 6 days of storage at $4.4^{\circ}C$. Likewise, 200 mg/L LAE followed by 30% ACS (LAE200-ACS30) treatment reduced initial Salmonella counts on poultry carcasses by 1.8, 1.4 and 1.8 log cfu/mL (p<0.05), respectively, after 0, 3, and 6 days storage. Immediately after the treatments, EPL300-ACS30 and LAE200-ACS30 both reduced Escherichia coli counts significantly by 2.6 and 2.9 log cfu/mL, respectively. EPL300-ACS30 and LAE200-ASC30 were effective in lowering psychrotroph counts by 1 log cfu/mL on day 10 when compared to the control and distilled water treatments. This study demonstrated that EPL300-ACS30 and LAE200-ACS30 were effective in reducing Salmonella on inoculated chicken carcasses both after treatment and during the storage at $4.4^{\circ}C$ for up to 6 days. In addition, reductions in psychrotroph counts indicated that these treatments might have the potential to increase the shelf-life of poultry carcasses.
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