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首页> 外文学位 >Comparison of selected quality parameters between United States farm-raised catfish fillets and Vietnamese basa fish fillets.
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Comparison of selected quality parameters between United States farm-raised catfish fillets and Vietnamese basa fish fillets.

机译：比较美国农场饲养的fish鱼鱼片和越南sa鱼鱼片的选定质量参数。

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摘要

Recently import competition from Vietnamese basa (Pangasius bocourti ), also known as "Mekong catfish", has come to U.S. farm-raised channel catfish (Ictalurus punctatus). This study compared the microbiological, sensory, and nutritional profiles of the two fish species available to consumers. Farm-raised catfish had significantly greater (p ≤ 0.05) aerobic plate count (APC) (4.4 log10 cfu/g), psychrotrophic plate count (PPC) (4.6 log10 cfu/g), and total coliform count (TCC) (1 log10 cfu/g) than basa (3.8, 3.8, and 0.2 log10 cfu/g, respectively). Fecal coliform count (FCC) of farm-raised catfish (0.2 log 10 cfu/g) and basa (0.1 log10 cfu/g) were not significantly different (p > 0.05). Neither fish had E. coli/E. coli O157:H7. The percentage incidence of Listeria monocytogenes was greater (p ≤ 0.05) for U.S. farm-raised catfish (37%) than for basa (7%). Incidence of Salmonella on farm-raised catfish (33%) and basa (50%) were not significantly different (p > 0.05). Vibrio cholerae was absent in basa but U.S. farm-raised catfish had 7% incidence. Both fish species had microbial quality indices below limits of concern. On the sensory aspect, basa fish had greater (p ≤ 0.05) sensory quality than farm-raised catfish. Basa fish had greater flavor and overall liking scores than farm-raised catfish. Proximate composition of the two species was similar except for crude fat, which was greater in farm-raised catfish. Farm-raised catfish and basa fish were equally poor sources of omega-3 fatty acids and crude fiber. Cholesterol content was 53.18 mg/100g (basa) and 53.86 mg/100g (farm-raised). Negative public comments about the quality and safety of basa were not reflected in current data. That L. monocytogenes, Salmonella , and V. cholerae were found in some samples suggests possible food safety concerns with both species.
机译：最近，来自越南basa（Pangasius bocourti）（也称为“湄公cat鱼”）的进口竞争已经来到了美国农场养殖的channel鱼（Ictalurus punctatus）。这项研究比较了消费者可获得的两种鱼类的微生物，感官和营养状况。养殖的fish鱼有氧平板数（APC）（4.4 log10 cfu / g），精神营养板数（PPC）（4.6 log10 cfu / g）和大肠菌群总数（TCC）显着更高（p≤0.05） cfu / g）比basa（分别为3.8、3.8和0.2 log10 cfu / g）。养殖的cat鱼（0.2 log 10 cfu / g）和basa（0.1 log10 cfu / g）的粪大肠菌群计数（FCC）无显着差异（p> 0.05）。两种鱼都没有大肠杆菌/大肠杆菌。大肠杆菌O157：H7。美国农场饲养的fish鱼（37％）的单核细胞增生李斯特菌百分比发生率高于巴斯（7％）（p≤0.05）。沙门氏菌在农场饲养的and鱼（33％）和basa（50％）上的发生率无显着差异（p> 0.05）。巴萨省不存在霍乱弧菌，但美国农场饲养的incidence鱼的发病率为7％。两种鱼类的微生物质量指数均低于关注极限。在感官方面，比目鱼比农场饲养的cat鱼具有更高的（p≤0.05）感官质量。与农场饲养的farm鱼相比，巴沙鱼的风味和总体喜欢度更高。除粗脂肪外，这两种物种的最接近组成相似，而在农场养殖的cat鱼中，粗脂肪更大。农场饲养的cat鱼和basa鱼同样是omega-3脂肪酸和粗纤维的较差来源。胆固醇含量分别为53.18 mg / 100 g（基础值）和53.86 mg / 100 g（经农场提高）。当前数据未反映出公众对巴萨质量和安全性的负面评论。在一些样品中发现了单核细胞增生李斯特菌，沙门氏菌和霍乱弧菌，表明这两种物种都可能存在食品安全隐患。

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  • 作者

    Pal, Amit.;

  • 作者单位

    Mississippi State University.;

  • 授予单位 Mississippi State University.;
  • 学科 Food science.;Aquatic sciences.
  • 学位 M.S.
  • 年度 2004
  • 页码 65 p.
  • 总页数 65
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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