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There are different methods for different bacteria, but some good general means are: perform a bacterial growth curve experiment, plate them on an agar plate, or grow them in a liquid media. T

urbidity can be used to estimate bacterial growth in liquid, a Petroff-Hauser chamber can be a great tool for counting bacteria in a small amount (this can be expanded to estimate the amount in a larger volume) or you could dilute the original sample enough to count on a single slide and then use reverse dilution equations to obtain an estimate of the original sample.

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What are the significance of bacterial growth curve in food preservation?

Well bacterial growth curve give simply the time vs no of cell curve which can be consider for different bacteria that at which temprature and pH they can stop growing, which would help in preserving food.


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