Color measurement of butter available on the Polish market

The data was obtained by analyzing butters available on the Polish market. Based on the manufacturer's data, the following information was entered: taste, ingredients, fat content (including saturated fatty acids), carbohydrates (including sugars), protein, salt. The color coordinates L, a*, b* and X, Y, Z were measured in the SPIN and SPEX system. On the basis of the L coordinates (lightness), a* and b*, the following were calculated: (WI) white index, (YI) yellowness index, (C) chroma, (BI) brownness index.