How do you test milk at home?

Answer 1

By lactating. You pretty much have to start out as a woman. Milk is a natural product of female mammals used to feed their young. You don't manufacture it, you collect it, most commonly from cows.

Answer 2

Follow the AOAC method #985.35, Dry ashing the 50 mL of milk in a china dish at 525 oC after evaporation to dryness.

The white ash is dissolved in 1M nitric acid and filtered. Then the filtrate is diluted to a fixed volume (ca 50 mL)and analyzed at flame photometer against the freshly prepared Ca standards (CaCO3 dissolved in little HCl and then diluted to fixed volume).

Answer 3

ANSWER

1. I smell it. Sour milk has another smell.

2. I taste the milk a little. If it is spoiled - I will recognize this.

3. Or I try to boil some milk. Sour milk will curdle.

Answer 4

Under certain conditions, the addition of alcohol as well as the application of heat may cause coagulation of milk. Milk may be coagulated by the addition of rennin or by bringing the acidity of the milk to the isoelectric point (+/- pH 4.6) of the casein. When milk is combined with other foods, the salt content of the food or the tannin content of the food may be factors that aid coagulation.

Read more:http://chestofbooks.com/food/science/Experimental-Cookery/Coagulation-Of-Milk.html#ixzz1kAFRBK8G

Answer 5

Smelling it is the best method.