Study on ethanol stability of goat milk

The ethanol stability of goat milk was studied by ethanol tests.The results showed that the ethanol stability of goat milk was improved with increased pH values(pH 6.4～7.2)and flocky precipitates appeared in the goat milk samples when an equal vol-ume of 44% ethanol was added,whereas precipitation typically took place in fresh cow milk upon 70% ethanol addition.In the range of 30～80℃,the ethanol stability of goat milk lowered with increased temperature;and it also lowered with the increased concentration of Ca2+.