The method of testing the suitability of the medium
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Last Update: 2020-06-20
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Source: Internet
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Author: User
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The quality of the medium in the experimental process often affects the microbial test results, how can we test the applicability of the medium through a small test, the following for you to introduce a small testtake ecoli, golden glucosa, copper-green bacteria, each 50-100cfu, respectively, injected into asteria flat dish, immediately poured into the pancreatic synwabe medium, each test bacteria parallel preparation of 2 flat dishes, mixedSolidified, set 30-35 degrees C to culture 48h, countingtake white ning, black song each 50-100cfu, respectively injected into asteria flat dish, immediately poured sand glucose agar medium, each test bacteria parallel preparation of 2 flat dishes, mixed, solidified, set 20-25 degrees C, culture 72h, countingat the same time, the corresponding control medium replaced, the tested medium, the above-mentioned testresults:1If the average colony on the medium examined is not less than 70% of the average colony on the control medium ;2The size of the colony form is consistent with that of the colonies on the control medium, the applicability of the medium is determined to be in accordance with the regulations
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