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CALCULATOR FOR DETERMINING THE FAT CONCENTRATION IN RAW MILK REQUIRED TO PRODUCE A WHOLE MILK POWDER OF A SPECIFIED FAT CONCENTRATION

Whole milk powders with a range of fat concentrations are available commercially. The dairy technologist should be able to standardise the fat concentration of milk to enable the production of a powder of a specified fat concentration.

Perhaps the simplest way to do this is to calculate how many times the milk-solids-not-fat has been concentrated in the powder compared with the raw milk; the SNF of raw milk is usually around 8.5. This factor e.g. 8.45 is then divided into the desired fat concentration of the powder e.g. 26% to give the required fat concentration in the raw milk.

The calculator below has been programmed to undertake this calculation and can be used to confirm the results of calculations at production level.

Standardisation calculator for whole milk powder manufacture
Solids not fat in raw milk (% w/w) e.g. 8.5 %. The average value for SNF in raw milk is 8.5%. For more accurate results use the actual SNF of the milk.
Moisture content of milk powder (% w/w) e.g. 4 %
Desired fat content of powder (% w/w) e.g. 26 %

Notes.
This free calculator is intended for educational use only and is not a substitute for employing a qualified food technologist. Use is subject to the Dairy Science and Food Technology legal conditions.
The SNF concentrations in the raw milk and the milk powder should be measured accurately and precisely as should the fat content of the raw milk.
The Pearson's Square or Rectangle calculator can be used to check the standardisation calculations for the raw milk.
If you have found this calculator useful consider making a small donation to help cover the running costs of the site.

How to cite this article

Mullan, W.M.A. (2008) [On-line] UK: Available: Accessed:

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