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52 votes
Accepted

Food temperature "danger zone" - is it really binary?

You are absolutely right, it's not binary at all. Bacterial growth doesn't magically accelerate at 40°F, the difference in growth rate between 39.9°F and 40.1°F is extremely small. I'm going to switch ...
GdD's user avatar
  • 76.7k
12 votes
Accepted

Why is store-bought ajvar marked as consume within 3-4 days?

The manufacturers are correct - if you want to produce a product that can last significantly longer, you need higher acid levels (or salt or sugar or chemical preservatives) than the average ajvar has....
Stephie's user avatar
  • 60.1k
11 votes

Food temperature "danger zone" - is it really binary?

Neither is it binary, nor is there a formula. is there a more scientific guideline out there that somehow measures safety objectively No, there isn't, and there isn't anything that could be ...
rumtscho's user avatar
  • 139k
11 votes

Store raw broccoli

If the broccoli come wrapped in plastic, leave them wrapped until you consume them. As can be read in this interesting blog (in Italian), broccoli are among the veggies with the highest gas exchange ...
L.Dutch's user avatar
  • 1,388
9 votes

Bubbles/foam on refrigerated maple syrup - safe to eat?

Assuming the can and the syrup were in good shape when opened, it's not going to mold in the refrigerator in a week's time. Although you say the bubbles weren't there when transferred, do you just ...
BowlOfRed's user avatar
  • 1,186
5 votes

Store raw broccoli

As L.Dutch already wrote, if it's in plastic, keeping it in there is probably the best way of storing it, as their blog post states that broccoli wrapped that way can remain fresh for up to 20 days ...
Tinkeringbell's user avatar
4 votes

Food temperature "danger zone" - is it really binary?

My assumption is that the guidelines are set based on outcomes, as opposed to growth vs temperature for any given bacteria, fungus, or other agent. e.g., "When we set the guideline at X, how many ...
Scott Seidman's user avatar
3 votes

Why is store-bought ajvar marked as consume within 3-4 days?

Preserving a comment: Ajvar is NOT at all pickled, not even lightly. Ajvar is roasted bell pepper flesh (so no skins or seeds), ground into a paste, then stewed for hours with sunflower oil and salt ...
Nzall's user avatar
  • 1,613
3 votes

Bubbles/foam on refrigerated maple syrup - safe to eat?

Do you have anything else in your refrigerator that would cause the maple syrup to be unsafe to eat? Unless you're putting raw chicken above your unsealed jar of maple syrup, or you have a serious ...
Jme's user avatar
  • 63
3 votes

Store raw broccoli

One factor that you can’t easily control is how far you are from broccoli growers, so how long they have already been sitting before you buy them. When I used to get broccoli from a farm stand, I ...
Joe's user avatar
  • 80.9k
2 votes

Roast beef for the next day

There’s no need to take special measures. Beef doesn’t overcook from being left at a given temperature, just from reaching too high a temperature in the first place. You can let it rest for the normal ...
Sneftel's user avatar
  • 29.5k
2 votes

What's the recommended method of cooling flan out of the oven?

I'd put ice in the water, or dip out the hot water (or suck it out with a baster) and replace with cool water (since the hot water will quickly melt the ice) to get things started cooling faster. My ...
Ecnerwal's user avatar
  • 18k
2 votes

Fridge acceptable temperature cycle

I'd say your refrigerator is in need of service, either a thermostat replacement or (if possible, as an independent adjustment - not likely) a reduction of the upper setpoint (since simply turning it ...
Ecnerwal's user avatar
  • 18k
1 vote

Why is store-bought ajvar marked as consume within 3-4 days?

All previous answers (to this one) are correct. I'll add just a few hints and tricks. If available, do not buy ajvar in large jars. If you do and you use just a half or even less of it, pour a little ...
Suzana's user avatar
  • 131
1 vote

Bubbles/foam on refrigerated maple syrup - safe to eat?

Check how solid these bubbles are. Maple sirup is essentially made of sugar and water. My guess would be that a little bit of water evaporated and the bubbles are mostly sugar crystals. In that case ...
quarague's user avatar
  • 1,247
1 vote

Does a home produce refrigerator exist?

All electric refrigerators I have seen have a rotary dial or knob for adjusting the temperature. If you put a thermometer inside of the refrigerator, then by trial-and-error experimentation, you can ...
Samuel Muldoon's user avatar

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