MadSci Network: Biochemistry
Query:

Subject: Why are the lactose levels are different in whole and skim milk?

Date: Thu Sep 1 10:23:09 2005
Posted by Christopher
Grade level: 7-9 School: Robinson Middle School
City: Plano State/Province: TX Country: USA
Area of science: Biochemistry
ID: 1125588189.Bc
Message:

I am researching if whole milk or skim milk will sour first.  I have found 
that the bacteria in the milk turns the lactose into lactic acid which sours 
it and makes it curdle.  But I haven't found info (that I can understand) that 
explains what it is in the de-fatting process (that makes skim milk from whole 
milk)that reduces that lactose levels.  I have just found references that 
whole milk has more lactose and would then sour faster.


Re: Why are the lactose levels are different in whole and skim milk?

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