It is not recommended to eat jam with mold. Even if you remove the first rudiments of growth, you can hardly be sure that there are no fungal spores left in the jar.
To prevent jam from going moldy, housewives use sugar. The more you add, the longer the preparation will last.
There are other time-tested ways to protect jam from mold besides sugar.
For every kilogram of berry or fruit mass, you need to add one third of a teaspoon of citric acid.
Add the powder five minutes before it is ready. The jam not only does not mold, but it also does not crystallize.
It is believed that ascorbic acid has a similar effect, but experts do not recommend using this remedy.
Another natural preservative is honey, which also has antimicrobial properties.
Not only natural, but also useful substance. Apple pectin extends the shelf life of jam. Makes its consistency thicker, allows to reduce the amount of sugar by 2 times.
Earlier we told you how to make fluffy cabbage pies .