Questions tagged [spoilage]

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

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7 votes
2 answers
706 views

Why did my potatoes and bananas spoil to mush within a week?

I bought a bag of potatoes and a hand of bananas on Sunday (from Costco) and just let them sit in the kitchen until Friday, when I noticed water oozing out of a few of the bananas. Then, the next day, ...
1 vote
1 answer
1k views

My pre soy milk preparation curdled on cooking

I had soaked some soybeans and kept them in the fridge for two to three days after removing the water. Today, I kept the mixture after blending with water for 3 hours. However, when I kept it on a ...
0 votes
0 answers
43 views

Shredded cheese goes bad left out when...? [duplicate]

I had just bought three, 2 lb shredded bags of cheese. Power outage while we were gone for 3 days. Weather in area was very warm. Frig was never opened until our return, however it was not cold in ...
1 vote
1 answer
17k views

Flies in my bag of bread - bad bread?

I just bought a loaf of sliced bread from the corner store (couldn't make a trip to the grocery store today) and when I opened the bag, there were two tiny flies in it, still alive. The flies have ...
0 votes
0 answers
39 views

Can I repasturize milk that separated in a bottle? [duplicate]

I bought a bottle of pasteurized milk (not UHT) on Tuesday and accidentally left it out for two warm days. I went to discard it when I found it because of the curdling, but the smell was really ...
3 votes
2 answers
201 views

Tainted tupperware

I took an orange to work inside a polypropylene food storage box, and then (ahem...) forget about it for a couple of months. Upon rediscovering it, I threw out the mouldy remnants of the orange and ...
0 votes
3 answers
31k views

Flour is many years expired but still looks good

I have a bag of flour in my pantry that expired 3 years ago, but it looks and smells perfectly fine. Is it still safe to eat? EDIT: To clarify, today is July 3rd, 2018, and the flour best before date ...
3 votes
1 answer
4k 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 ...
3 votes
1 answer
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 ...
1 vote
1 answer
162 views

To be safe I just tossed some goose stock I made three weeks ago. What could realistically have been in it? [duplicate]

I just realized that I forgot about the stock I made from the Christmas goose. I am aware that stock, especially made from poultry, is an excellent growth medium for all kinds of microorganisms, so I ...
1 vote
1 answer
258 views

Does shaking a jug of milk impact its longevity

With some products like non-homogenous milk and ciders with precipitate its desireable to give the jug one or two sharp shakes for consistency. But I've found myself habitually doing this even for ...
2 votes
1 answer
2k 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 ...
3 votes
2 answers
695 views

When do bananas go bad? [duplicate]

When do bananas become unsafe for eating? Is it when they turn brown? Or black? Not for recipes, but for straight eating. Also, does the peel color even matter if the inside of the banana is still ...
1 vote
1 answer
825 views

What happened to this garlic clove? [duplicate]

I bought a box of veggies and such to make dinner and it included a few cloves of garlic to add to the meal. I opened them up and then found one of them that looked like this: I've never seen one ...
0 votes
1 answer
302 views

Sous Vide for infinite shelf life [duplicate]

Sweet potatoes already last a relatively long time. If I were to sous vide a sweet potato until everything inside of it is dead, let's say at 215°F for 24 hours, I should have a sterile potato on my ...
1 vote
2 answers
4k views

What is the approximate shelf life for herbal infused olive oil, coconut oil, glycerin, or vinegar?

What is the estimated shelf life (assuming you keep it in a dark place) for: 1)herbal infused olive oil? coconut oil? 2)herbal infused vinegar 3)herbal extract made from 50% glycerin in water (and ...
2 votes
1 answer
234 views

Should homemade mayonnaise made from pasteurized eggs still go through the "keep at room temperature >24h before refrigerating" process?

I haven't attempted homemade mayonnaise yet, but reading about how long can it be kept for consumption I found many recipes talk about requiring to keep the prepared mayonnaise for a period at room ...
1 vote
1 answer
711 views

Can frozen mango spoil?

When I opened my package of frozen mango pieces for my cake, I saw that the mango pieces were absolutely covered in sheets of ice across both sides of the package, and the mango themselves looked ...
6 votes
1 answer
168 views

What happened to my frozen yeast?

I had a leftover block of commercially bought frozen yeast. I kept it it the freezer, well below 0 celsius. I'll admit I didn't check on it for years. I opened the container today. It was stinking ...
1 vote
2 answers
1k views

Can I leave cut (but airtight wrapped) aged pecorino at room temperature for a couple of hours?

I bought it for a friend and want to give it to them but I will have to travel with the aged pecorino cheese for a couple of hours at room temperature before giving it to him. Is it safe to do so? It ...
0 votes
1 answer
213 views

Frozen stew on transit

I am travelling later via plane bringing a frozen stew in a Tupperware inside my luggage. I don't have a cooler with me so I'm just wrapping the container with cloth to hopefully maintain the low ...
1 vote
6 answers
73k views

Does sour-cream go bad?

I have had a container of off-brand sour-cream I bought from the grocery store in my refrigerator for almost two months. When will it go bad or will is ever go bad?
3 votes
1 answer
232 views

Can exposure to carbon dioxide spoil a lactic fermentation project?

I’m using lactic fermentation to make a batch of sauerkraut, fermented berries, etc. Rather than going the glass jar route I’ve placed everything in a vacuum sealed bag. This is a technique which Noma ...
8 votes
1 answer
5k views

Canned Coconut milk is curdled when opened

I bought Coconut milk (88% coconut and rest water) in a sealed can, when I opened it the solid where already separated from the liquid. The solid part was at the top quite thick like frozen coconut ...
4 votes
1 answer
571 views

Storing spoiled meat with fresh meat in a freezer

I just bought a new chest freezer to store some lamb and beef. I placed the fresh lamb meat in a couple of metal containers (not covered) and put these in the freezer. I did the same with the beef but ...
4 votes
1 answer
2k views

Can distilled water in gallon plastic bottles expire?

I am puzzled about this. Depending on what article I read I get different results. There are no experts per say. It's just a bunch of people voicing their opinion concerning distilled water expiration ...
16 votes
7 answers
8k views

Why did this gallon of milk stay fresh for so long?

A few months ago I had a gallon of milk in the back of the fridge that stayed fresh for over a month - maybe even two; I lost track. Our house is only me and my wife. We don't drink milk often. I ...
2 votes
1 answer
346 views

Is sour milk, soured milk, and milk that has gone sour, all the exact same thing?

Is sour milk, soured milk, and milk that has gone sour, all the exact same thing? Related to this question: Is buttermilk another term for sour milk or some part of sour milk? and especially this ...
0 votes
2 answers
329 views

How to maximize shelf-life of freeze-dried food beyond 25 years? How far can this be exceeded?

Many manufacturers will sell and advertise emergency preparedness food packs to still taste "great" 25-30 years into the future (or at least maintain a consistent taste over this period). ...
1 vote
1 answer
494 views

Does invisible mould exist?

Sometimes I feel weird after eating food that by all appearances looked normal, including the interior. For meat and produce I can understand there might have been bacteria that of course wouldn’t be ...
1 vote
1 answer
26k views

How do I know the lentils have gone bad?

I brought brown lentil two months ago. Now when I cooked them under pressure they remained in the same form as before and did not even slightly swell the way normally brown lentils swell up slightly. ...
1 vote
1 answer
129 views

Canning jars seal then go bad

I have canned a lot in the past with with aa jar here and there. But the last year I have lost so much food to crowning of lids after they have sealed. I again lost 22 quarts of beautiful red beets. ...
1 vote
1 answer
203 views

Is double fermented kefir safe to eat?

I have a bottle of store bought, commercially produced kefir that seems to have undergone a second fermentation in my fridge. It's normally tart and thick, but it's changed to really tart and even ...
1 vote
0 answers
65 views

Water on top of biga [duplicate]

I made some biga and used it once. There were some left overs, so I added more flour and a bit of water. There is now a layer of water on top of it, after I left it for a few days. How do I know if ...
0 votes
3 answers
1k views

I have some cranberry juice that developed some dark spots under the lid, is it still considered safe to drink?

My mom had some cranberry juice that says best if used in 2018, and was wondering if it will do anything very bad to me, since it was sealed by a reputable manufacturer for this long, and never opened....
1 vote
1 answer
143 views

Can lemon sodas go bad?

So, I just opened up a bottle of lemon-flavored soda that had been sitting in my family's garage for a few years, and I noticed that its flavor seemed different than it normally is. I wasn't sure if ...
0 votes
2 answers
4k views

What is this yellow "fat" thing on my bacon

Searching in google for yellow bacon fat returns nothing I'm assuming it's fat, but have never seen a large yellow lump of it on any bacon I have had in the past. Would this still be good to eat? (...
2 votes
4 answers
48k 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....
5 votes
3 answers
69k 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
6 answers
40k 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 ...
7 votes
2 answers
56k 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 ...
6 votes
2 answers
46k 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?
2 votes
1 answer
477 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?
3 votes
2 answers
5k 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. ...
0 votes
0 answers
24 views

Edibility of frozen blended chicken and vegetable smoothie [duplicate]

I boil an eclectic mix of vegetables and some chicken breast (I boil the vegetables and chicken breast separately) then blend everything together in a blender (using water from boiling the vegetables ...
5 votes
2 answers
36k 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?
4 votes
2 answers
26k 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 ...
2 votes
1 answer
178 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....
3 votes
1 answer
2k 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 ...
10 votes
1 answer
289 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 ...