But how do you know if the milk you're buying is safe? Place a drop of milk on a glass slide. If it flows slowly, leaving behind a white streak, it's likely pure. If not, it may be diluted with water.

Add 2-3 drops of iodine solution to the milk. If the milk is pure, colour will remain unchanged or will turn slightly yellowish and if it turns blue, then it is adulterated with starch.

In fact, solidification indicates that coconut milk is 100% pure and hasn't been canned with added emulsifiers. Read more: 7 Must-Have Canned Foods And 7 To Avoid In Your Pantry Whether you're ...