storag of watery sample - (Oct/20/2008 )

i would like to know that the watery sample can store in -30 degree Celsius for a long period?
it will effect the contain of protein, sugar and fat or not?


thank you.

some of the proteins may denature.

i run the amino acid profile, i will effect the result?

tq

the digestion may take longer to complete but it should be okay.