Why can high sugar content products like jams be left unrefrigerated after opening & have no bacterial growth

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Why can high sugar content products like jams be left unrefrigerated after opening & have no bacterial growth

2007-10-28 16:26:29 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Biology

3 answers

Honey or preserves contain so much sugar that any bacterium that gets into them will osmotically dehydrate--their water will flow OUT into the jelly/honey. However, you can get bacterial or yeast growth on the SURFACE.

2007-10-28 16:30:34 · answer #1 · answered by Howard H 7 · 0⤊ 0⤋

Jams actually need to be refrigerated after opening.

2007-10-28 23:30:34 · answer #2 · answered by Stingray 7 · 0⤊ 0⤋

the amount of preservatives in them. It is actually very bad for us.

2007-10-28 23:29:25 · answer #3 · answered by aitkenpatty 4 · 0⤊ 0⤋