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Detection and Incidence of Specific Species of Spoilage Bacteria on Fish I. Methodology

机译:鱼类腐败细菌特定种类的检测和发病率I.方法

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The ability of Pseudomonas putrefaciens to form H2S was found to serve as a singularly useful criterion of identity for this species and was used to directly enumerate the organism from haddock fillets by the use of pour plates of Peptone-Iron Agar. Subsurface colonies appear intensely black, whereas surface colonies are black or gray. A highly sensitive soft-agar-gelatin overlay technique has been found useful for directly determining the numbers of weakly and strongly proteolytic organisms from fish tissue.
机译:发现腐烂假单胞菌形成H2S的能力可作为该物种身份的唯一有用标准,并通过使用蛋白P-铁琼脂倾盘将其直接从黑线鳕鱼片中枚举。地下菌落显示为黑色,而表面菌落为黑色或灰色。已发现高度敏感的软琼脂明胶覆盖技术可用于直接确定鱼组织中弱蛋白水解菌和强蛋白水解菌的数量。

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