Write the experimental procedure to observe the Lactobacillus present in curd ?
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After the formation of curd, a little amount of curd is diluted and a few drops of this preparation is taken on a slide. It is allowed to dry out and then it is stained with safranin or methylene blue. The bacteria are then seen under the microscop
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Take a glass slide and put a drop of diluted yogurt on it, make a smear for 2 to 3 secs on the slide. -Add a drop of methylene blue on the slide. -Cover the slide with a cover slip. - You will observe the rod shaped lactobacilli in it. After the formation of curd, a little amount of curd is diluted and a few drops of this preparation is taken on a slide. It is allowed to dry out and then it is stained with safranin or methylene blue. The bacteria are then seen under the microscope.
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