英语词汇“methyl red test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	methyl red test
释义	DictionarySeemethyl methyl red test methyl red test [′meth·əl ¦red ‚test] (microbiology) A cultural test for the ability of bacteria to ferment carbohydrate to form acid; uses methyl red as the indicator. methyl red test methyl red test A colorimetric test for differentiating Enterobacteriaceae. Method An inoculum of bacteria is placed in a buffered glucose-peptone broth; the MRT is based on a change in pH, and usually results in the opposite reaction as that of the Voges-Proskauer test—therefore Enterobacter aerogenes, which is positive in the VPT, serves as a negative control in the MRT. Escherichia coli is positive (red) at 48 hours, Enterobacter aerogenes is negative.
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