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it spoils the milk because of the chemicial reaction
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What happens when methylene blue is added to stale milk?
it spoils the milk because of the chemicial reaction
What food can methylene blue be used in to detect bacteria quickly?
Methylene blue reduction is the method used to measure the bacterial density in milk. The test is evaluated in term of the amount of time required from introduction of the blue until the milk turns white.
Can methylene blue be used in other food besides milk?
Yes, methylene blue can be used in many foods, as it in non-toxic to humans (though it can discolor urine). Methylene blue was used by Italian actor and gourmand, Ugo Tognazzi for his risotto alla parmigiana (risotto blu). He added methylene blue to the standard ingredients (butter, onions, Parmesan cheese, and white wine), turning it into a rather striking "blue risotto."
Methylene blue reduction test of milk principle?
The methylene blue reduction test is based on the fact that the color imparted to milk by the addition of a dye such as methylene blue will disappear more or less quickly. The removal of the oxygen from milk and the formation of reducing substances during bacterial metabolism causes the color to disappear. The agencies responsible for the oxygen consumption are the bacteria. Though certain species of bacteria have considerably more influence than others, it is generally assumed that the greater the number of bacteria in milk, the quicker will the oxygen be consumed, and in turn the sooner will the color disappear. Thus, the time of reduction is taken as a measure of the number of organisms in milk although actually it is likely that it is more truly a measure of the total metabolic reactions proceeding at the cell surface of the bacteria.
What happens when bacteria is added into milk?
to stop it going off
What happens when dry ingredients are added to hot milk?
The result depends on the ingredients placed in the hot milk.
What happens when dry ingredients are added to heated milk?
the milk wiil absorb them to 95c over a 100c and your milk will burn along with your ingredients
What colour will milk become when universal indicator added?
When universal indicator is added to milk, it will change to a blue or purple color, indicating a basic pH level.
What is the terms for the lumps that form when an acid is added to milk?
The term for the lumps that form when acid is added to milk is curdling. This happens when the casein in the milk reacts to the acidity.
What happens to milk when yeast is added to it?
Milk, rice milk and soy milk are yeast-free products
What function of emb agar?
EMB agar is used for the selective and differential isolation of fecal coliforms, particularly Escherichia coli, in water, milk, and other biological material. It contains lactose, eosin, and methylene blue dyes that inhibit the growth of Gram-positive bacteria and help differentiate lactose fermenters (such as E. coli) that produce dark colonies with a greenish metallic sheen.
What is added to a gallon of milk?
I grew up on a dairy farm and nothing was added to our milk.
