Darkening of top layer of jam
What causes the jam to darken at the top of the container?
- Food R&D Emeritus reply
Hmm jam surface darkening ...........? might be . too much bubbles during processing and excess headspace during bottling..so as there is excess air it will contribute to "oxidati…
- Fatih Altunbay reply
What is container capacity??
- Ndukwe O. reply
The first thought will be oxidation. Just another thought, it could be as a result of condensation which leads to dilution at the surface, higher water activity hence some microbi…
- Sonia Morya8911 reply
Darkening at top layer of jam can be happened due to false pouring process. Pouring should be done from less distance so less air will be entrapped and defects can be minimize.