Question

Why are jams and jellies not attacked by bacteria and fungi?

Answer 1

heya....

 because of the high sugar content in them. The sugar helps in maintaining a hypertonic environment and hence causes dessication of the microbes

 i.e. it removes water from them, required for their survival.



tysm....@kundan

Answer 2

Jam and jelly are not attacked by bacteria or fungi, because;

1) During the processing of jam and jelly ,they are pasteurised which kills the the probability of bacteria or fungus growth in the jam or jelly.

2) Due to the high sugar content in jam and jelly ,a hypertonic environment is created which is not ideal for the growth of bacteria and fungi.