Questions tagged [spoilage]

Use this tag for questions about food or drinks that have gone bad, or will soon be.

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61
votes
15answers
15k views

Best way to remove fruit flies from your kitchen

I have a confession to make. I was lazy, I didn't think it would cause any harm, but it did. And now they are back. The fruit flies have taken over my kitchen, and I need help fighting them. Story: ...
19
votes
4answers
17k views

Do different fat contents (skim, 2%, whole, etc) affect rate or intensity of milk spoilage?

Does milk with different fat contents (skim, 2%, whole, etc.) spoil at different rates? And when spoilage does occur, are milks with higher fat content more sour than those with less? Are there ...
17
votes
4answers
92k views

How can you recognize cold milk that has gone bad or is about to?

The methods that I know to test cold milk is to either boil it and look for the break, taste it (yuk!), or hope it smells bad enough to know it's bad. Is there an easy and scientific way to know ...
14
votes
2answers
76k views

Does having spoiling food in your fridge cause other food to spoil faster?

We all have forgotten remnants that get pushed to the back of the fridge and eventually become science experiments. Does the presence of such items (assuming they're left in a non-air tight container) ...
10
votes
2answers
6k views

Does an avocado seed help guacamole stay green?

My friend was telling me about a habit in the Spanish culture (I'm not sure if it's done elsewhere as well) of leaving the avocado seed inside when making guacamole. The claim is that if you leave the ...
10
votes
1answer
142 views

How long can chocolate be held at temper?

I just got a chocolate melter and have held some tempered pure chocolate (Lindt Excellence 90%) for a day at 33C. I intend to make up 3 or 4 truffles, a few times a week. What’s occurred to me is ...
9
votes
6answers
114k views

How long do raw chestnuts keep?

I bought some chestnuts in the fall for Christmas but haven't used them all yet. How long do they keep? How would I tell if they 'went bad'? They look just like they did when I bought them (no ...
8
votes
2answers
15k views

Is it bad to refrigerate cut up onions?

Can we store cut up onions in the fridge or do onions go bad in the fridge? Do they become poisonous? Can onions be safely stored in the refrigerator after peeling? Also how can you tell if an onion ...
6
votes
3answers
3k views

Is it unwise to store oils etc above gas stove/oven?

Due to space constraints I keep my oils and some various cooking sauces above the gas stove/oven. These can get VERY hot up there. Am I ruining my oils? The red wine seems like a bad idea in ...
6
votes
2answers
37k views

Does sauerkraut go bad?

I have had a tupperware of sauerkraut I bought from the grocery store in my refrigerator for almost two months. When/Will it ever go bad?
6
votes
2answers
42k views

My ginger is moist and floppy… has it spoiled?

I have a piece of raw ginger root which I bought a couple of weeks ago and stored in the produce drawer of my fridge. I always store my ginger root this way, and it remains usable for weeks. Today I ...
5
votes
3answers
42k views

Any food safety risk eating cold refrigerated pizza?

I love eating cold pizza leftovers straight from the fridge. Someone recently told me that you should always reheat leftover pizza to kill off any bad bugs that could be growing in there. Is there any ...
5
votes
2answers
12k views

Discolored ring in squash

Our yellow squash has some brownish discoloration inside in a ring down that extends length-wise. Is this normal variation and safe to eat, or is this an indicator that the squash has gone bad?
5
votes
1answer
12k views

When is an avocado considered bad?

I'm generally an avocado purist, so I throw out any brown spots, but I notice that many restaurants serve avocado even with the brown stuff... When is an avocado considered bad, and when should the ...
5
votes
1answer
35k views

Is tea that has been out on air for long dangerous to drink?

Suppose you made a cup of tea (the real tea, not bagged, and not a fruit drink) with no additions, but you forgot about it while doing other things (house stuff, homework, your job) and it has now ...
5
votes
6answers
29k views

Is it possible to make yogurt and cheese from spoiled milk?

I get raw milk and to somehow pasteurize it, I boil it. The milk strongly curdled showing that it is spoiled and rotten (definitely, not suitable for drinking). Is it totally bad milk and I should ...
4
votes
2answers
62k views

“Acetone” smell on bread

I sometimes buy a brand of multi-grain salt-free bread *. After 2-3 days, it gets a very distinct smell of acetone, like paint stripper or nail polish remover. If I toast the bread, the smell goes ...
4
votes
2answers
11k views

can maple syrup be refrigerated after it was out for a few days?

I opened Adirondack pure maple syrup a few days ago. It didn't say to refrigerate, so I didn't. When I googled it, it said that it should be refrigerated. Can I still do that? If I may not use it ...
4
votes
1answer
4k views

Is it normal this white substance in my canned green peas?

I just opened a can of petit pois and I found them covered in this white, gooey substance, as opposed (or maybe better "in addition") to the usual clear liquid. I don't think I have seen it before. I ...
4
votes
2answers
36k views

Meat and Poultry Changing Color in Marinade?

I am working on a marinade for my chicken breast and filet mignon for a fondue we are planning on having tonight. I took the meat out of the fridge and noticed they both seemed to change color. The ...
4
votes
1answer
17k views

Ground beef smells slightly sweet?

I opened up a package of ground beef today that I had bought the day before from a reputable grocery store. I left it out about an hour to warm up a little. It was grass-fed, which I don't normally ...
3
votes
2answers
205 views

What has happened to this oil?

I recently purchased some sun-dried tomatoes in oil. However a few days in the fridge and they look like this despite being unopened. I regularly buy these tomatoes and store them in the same way. ...
3
votes
2answers
1k views

Saving spoiling mushrooms?

Are there any recipes specially for mushrooms that are on their way out, like making banana bread from over-ripe bananas?
3
votes
1answer
2k views

bread that does not get moldy

How can a bread have an expiration date of one year into the future?? The bread in questions is Deutsche Küche rye bread (from Aldi). Yes, it is a dense bread, but it is not dry like a cracker, so ...
3
votes
3answers
110k views

Does store-bought Kombucha spoil? If so, how can I tell?

I recently bought Ginger Kombucha for the first time in a reputable health food store. I'd never heard of it, but my doctor feels the probiotics will help my chronic digestive problem. Because of the ...
3
votes
1answer
1k views

Why did my whole milk go bad faster than skim milk?

Why did my whole milk curdle and get yucky and smell before my skim milk when left out? I thought it was supposed to be the opposite.
3
votes
2answers
1k views

How do we keep our roasted cashews from smelling bad eventually?

We are from a small manufacturing unit and do roasting and packing of cashews. After roasting we pack them in polypropylene pouches with nitrogen flushing. But after 2-3 months cashews are smelling ...
3
votes
1answer
2k views

Can Grapeseed oil be considered edible after it has passed the expiry date?

We have an un-opened bottle of grapeseed oil that got buried away and never used. It has 'best by 3/31/2012' on the label. Should I just throw it out or is it possibly still good? It's from Italy ...
3
votes
1answer
312 views

What is the white substance floating in my fresh mozzarella brine?

I purchased fresh mozzarella bocconcini from Whole Foods six days ago. The mozzarella is sold in a brine solution. I opened the package when I bought it and have kept it refrigerated since, using the ...
3
votes
3answers
14k views

licking spoon and putting back in the food

Recently had some guest at my house - while I was in another room one of the guest was sampling the food repeatedly and put the spoon from mouth back in the food. Is this a health concern? Does the ...
3
votes
1answer
409 views

What should roasted pistachio oil smell like?

I've had a bottle of roasted pistachio oil sitting in my refrigerator for about two years now, that someone gifted me. Every day I open the refrigerator and it stares at me. Today I decided that ...
3
votes
1answer
615 views

Will skim milk powder go bad when mixed with peanut butter?

I love to make those peanut butter energy balls to take with me on camping trips, or even a day fishing or after a long run. If I add skim milk powder to them is there anything that will make the skim ...
2
votes
2answers
11k views

Used old chicken broth in a stew, but washed it out. Will it be safe to eat?

I was making a beefstew, but didn't have any beef broth, so I used some chicken broth I had in the fridge. It smelled bad and thought it must be old. I rinsed the meat and potatoes.... 3 times. Do ...
2
votes
4answers
15k views

Half and half cream already curdled in a fresh carton

What could be going on here? On several occasions recently, I have purchased small (half pint) cartons of half-and-half (10%) cream. The "out" date on the carton is at least four weeks into the future....
2
votes
1answer
28k views

slimy red onion

I purchased a red onion yesterday, sliced it open and noticed that it felt slimy on the red skin of one of the exposed inner layers. I've never noticed that before. Is that normal, or has the onion ...
2
votes
1answer
69 views

Relation between concentration of sugar in syrup VS its spoil rate

My mother recently created a Centella asiatica vegetable juice. She states that we should add some sugar (e.g. 2 tea-spoons for 1.5 liter of vegetable water) to reduce the spoil rate of the juice....
2
votes
1answer
3k views

How do I tell if my fermented sauce has gone bad?

Related to another question of mine: I found this recipe for a lacto fermented hot sauce. Basically you take blended up chiles, 2.5% salt, water (not sure if necessary), and oak cubes (I kind of just ...
2
votes
1answer
88 views

How long is Miso Paste good for in the fridge after opening? [duplicate]

I'm not sure how to judge the fridge life of this stuff, does this salty stuff last awhile?
2
votes
1answer
93 views

potential cereulide on plastic container, can it be washed off?

I recently saw a video of a person who died from eating 5 day old unrefrigerated pasta. The cause was cereulide toxin from Bacillus cereus bacteria in the food. I recently left pasta unrefrigerated in ...
2
votes
1answer
25k views

How long is yogurt good after the best by date? [duplicate]

I have a large, unopened container of yogurt that is a couple weeks past the best by date and I wondering if it is safe to eat. It still smells fine. How long past the best by date is yogurt usually ...
2
votes
1answer
2k views

Crystals on bottle of sweet alcohol

We've been given an old bottle of alcohol, an amaretto. At the top of the bottle, where the lid and bottle rim meet, a few crystals have formed. I'm guessing it's the sugars but am not sure. Some ...
2
votes
1answer
2k views

Safety of adding dried hot pepper to opened jar of pickles

I have a particular brand of jarred pickles I buy from a local supplier. They're some kind of beer pickle, and the brine has a vinegar and IPA type of taste, and it's loaded with garlic and dill. Very ...
2
votes
2answers
1k views

How can I infuse olive oil safely?

I am infusing olive oil with truffles. How can I do it safely? Heating the oil destroys the truffle smell and pickling it is a sure way to do the same. Are there any other methods? Perhaps some type ...
2
votes
1answer
202 views

How long can food last if reheated periodically? [duplicate]

Say I fixed some stew that's been in the refrigerator for around three days. Will putting that stew in a pot, heating it up to around 170F (77C), and letting it simmer for a while make it last longer ...
2
votes
0answers
80 views

Does bubbly froth mean my vinegar batch needs trashed?

I have been making apple cider vinegar at home for a while now. My current batch has white powdery, bubbly froth forming on the top of the bottle and some powder at the bottom. What should I do? I ...
2
votes
0answers
864 views

Has my coconut yoghurt spoiled?

I've made some coconut yoghurt from powdered coconut milk, tapioca flour, maple syrup and a spoonful of store-bought yoghurt. The mixture (apart from the old yoghurt) was simmered for a while, and the ...
2
votes
0answers
337 views

Should I be worried about a dark red spot on my acorn squash?

When I split open the acorn squash, there was a large blood-red spot with small white spots in the middle. My best guess is it's rot or mold. I cut it out, leaving plenty of the normal golden flesh ...
2
votes
0answers
3k views

How can I tell if my palm oil is rancid?

I've purchased a sustainable brand and have read about it's nutrition and use. It was stored in a cool, dark cupboard and I haven't used any yet. I opened the jar last week and it has a sharpish ...
1
vote
1answer
4k views

Is the sink or float test for eggs accurate?

I recently read that the sink-or-float test to see if eggs are still good is not a very reliable judge; eggs float because as they age the eggs lose moisture and air replaces it. That’s what I read. ...
1
vote
1answer
106 views

Sealed whey protein container past its use by date - is it still usable?

I've had an accident that made me stop training for quite some time and I ended up with a sealed - never used nor opened - whey protein pot that expired Oct/2015. Considering it's a powder and the ...