Table 9.5.
List of reference methods.
Product Regulation No. 1898/2005
Parameter
Limit
Reference Method
Unsalted butter
Fat
Minimum 82%
ISO 17189:2003/IDF 194:2003
Water
Up to 16%
ISO 3727 1:2001/IDF 80:1:2001
Solids - not - fat (SNF)
Up to 2%
ISO 3727 1:2001/IDF 80:1:2001
Fat acidity
1.2 mmole/100 g of fat
ISO 1740:2004/IDF 6:2004
Non - milk fat
Absent
Determination of milk fat purity by GC analysis of triacylglycerols is
described in Annex XX of Commission Regulation (EC) 273:2008
Tracers: Sterols
Vanillin
Quantitative HPLC method described in Annex VI of Commission
Regulation (EC) 273:2008
Ethyl ester of carotenoic acid
Quantitative spectrophotometric method described in Annex VII of
Commission Regulation (EC) 273:2008
Triacylglycerols of enthanic acid
Gas chromatographic (GC) method described in Annex V of
Commission Regulation (EC) 273:2008
Salted butter
As above
SNF excluding salt
Up to 2%
ISO 3727 1:2001/IDF 80:1:2001
Salt
Up to 2%
ISO 15648:2004/IDF 179:2004
Concentrated butter
Fat
Minimum 99.8%
IDF 24:1964
Water and SNF
Up to 0.2%
ISO 5536:2002/IDF 23:2002 (moisture); IDF 24:1964 (SNF)
Fat acidity
1.2 mmole/100 g fat
ISO 1740:2004/IDF 6:2004
PV (maximum)
0.5 mEq oxygen/kg fat
ISO 3976:2006/IDF74:2006
Non - milk fat
Absent
Determination of milk fat purity by GC analysis of triacylglycerols is
described in Annex XX of Commission Regulation (EC) 273:2008
Flavor
Clean
Smell
Absence of foreign odors
Other
Absence of neutralizing
agents, antioxidants, and preservatives
Tracers
As for unsalted butter
ISO, International Standards Organization; IDF, International Dairy Federation. Commission Regulation (EC) No. 273/2008
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