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中国精品科技期刊2020
王新惠, 张崟, 谭茂玲, 李俊霞, 白婷, 邹强, 屈瑶, 蒋心茹. 添加复合发酵剂对发酵猪肉干食品安全性的影响[J]. 食品工业科技, 2015, (20): 234-237. DOI: 10.13386/j.issn1002-0306.2015.20.041
引用本文: 王新惠, 张崟, 谭茂玲, 李俊霞, 白婷, 邹强, 屈瑶, 蒋心茹. 添加复合发酵剂对发酵猪肉干食品安全性的影响[J]. 食品工业科技, 2015, (20): 234-237. DOI: 10.13386/j.issn1002-0306.2015.20.041
WANG Xin-hui, ZHANG Yin, TAN Mao-ling, LI Jun-xia, BAI Ting, ZOU Qiang, QU Yao, JIANG Xin-ru. Effect of inoculation with a starter culture composed of Lactobacillus sakei and Staphylococcus xylosus on the food safety of fermented pork jerk[J]. Science and Technology of Food Industry, 2015, (20): 234-237. DOI: 10.13386/j.issn1002-0306.2015.20.041
Citation: WANG Xin-hui, ZHANG Yin, TAN Mao-ling, LI Jun-xia, BAI Ting, ZOU Qiang, QU Yao, JIANG Xin-ru. Effect of inoculation with a starter culture composed of Lactobacillus sakei and Staphylococcus xylosus on the food safety of fermented pork jerk[J]. Science and Technology of Food Industry, 2015, (20): 234-237. DOI: 10.13386/j.issn1002-0306.2015.20.041

添加复合发酵剂对发酵猪肉干食品安全性的影响

Effect of inoculation with a starter culture composed of Lactobacillus sakei and Staphylococcus xylosus on the food safety of fermented pork jerk

  • 摘要: 以清酒乳酸杆菌(Lactobacillus sakei)和木糖葡萄球菌(Staphylococcus xylosus)为复合发酵剂发酵猪肉干,研究复合发酵剂对发酵猪肉干腐败微生物生长增殖、组胺积累、亚硝酸盐残留、脂质氧化及挥发性氨基氮(TVB-N)生成的影响。结果表明:接种复合发酵剂显著(p<0.05)抑制发酵过程中大肠杆菌、李斯特菌、假单胞菌和金黄色葡萄球菌等腐败微生物的生长增殖;发酵结束时,添加复合发酵剂和自然发酵组的组胺含量分别为0.32和8.85 mg/kg,亚硝酸钠残留量分别为8.95和45.6 mg/kg,硫代巴比妥酸(TBA)值分别为0.67和1.54 mg MDA/kg,TVB-N含量分别为1.23和5.25 mg/100 g。添加复合发酵剂组的组织状态、风味和色泽等感官评分均高于自然发酵组,获得了优良的感官特性。 

     

    Abstract: Effect of inoculation with a starter culture composed of Lactobacillus sakei and Staphylococcus xylosus on the growth of pathogenic bacteria, histamine reduction, nitrite depletion, oxidative stability and levels of TVB- N in fermented pork jerky were evaluated. Results showed that inoculation with the starter culture was against the growth of meat-spoiling microorganisms, namely Escherichia coli, Listeria monocytogenes,Pseudomonas and Staphylococcus aureus. At the end of fermentation,the levels of histamine were 0.32 and8.85 mg/kg in the fermented pork jerky inoculated with starter culture and by a spontaneous fermentation,respectively. The levels of residual nitrite dropped rapidly from 150 to 8.95 mg/kg in the fermented pork jerky inoculated with starter culture while 45.6 mg/kg nitrite was detected at the end of fermentation in the sample by a spontaneous fermentation. The thiobarbituric acid reactive substances test(TBARS) values were 0.67 and1.54 mg MDA/kg in the fermented pork jerky inoculated with starter culture and by a spontaneous fermentation,respectively. The levels of TVB-N were 1.23 and 5.25 mg/100 g in the fermented pork jerky inoculated with starter culture and by a spontaneous fermentation,respectively. The organization appearance,taste,smell and color of sensory scores in sample inoculated with starter cultures were higher than that of control,and exhibited good sensory properties.

     

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