21st Dec 2017

How to tell if your food has gone bad

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Is your food still safe to eat?
Amelia Theodorakis

I don’t know about you, but I would say my attention to food safety is fairly lax – it would take more than some mould on my bread to bring my iron stomach to its knees. My friend Carina is the exact opposite, however: if the use-by date on a tub of hummus says ‘consume within five days’, she will probably turf it on day four, just to be safe.

Is Carina overly concerned about food or am I just too relaxed? I started thinking: How far can you push it before your food becomes unsafe to eat?

While food safety is important, excessive concern about food ‘going off’ means we’re throwing out perfectly good food. Some nutrition experts suggest food safety is partly about heeding the labels, and partly about using your discretion. What are your senses telling you?

The difference between expiry dates
You probably realise most packaged food products sold in Australian stores will have a use-by or best-before date. And there is a difference.



The use-by date is the last day that product is considered safe to eat, while a best-before date is the date the product will reach its peak freshness.

So, what are the rules?

Food safety starts with proper storage.

Minced meat
Keep in fridge for two days. Store in the freezer for a maximum of three months.

Eggs
Keep at room temperature if consumed within five to seven days. Keep in fridge for up to three weeks. Do not eat eggs that are cracked or broken.

Seafood
Refrigerate immediately. Consume within two days. Otherwise, freeze until needed.

Poultry (uncooked)
Keep in fridge for two or three days or in freezer for up to 12 months.

Red meat (uncooked)
Store in fridge for three or four days or in freezer for 12 months.

Poultry and red meat (cooked)
Keep in fridge for three or four days, or in fridge for two to six months.

Dairy
It’s strongly advised you pay attention to expiry dates regarding dairy products, especially milk and soft cheeses, though you can go two or three days past expiry.

How to tell if your food has gone bad

Bread
If one slice is mouldy, the whole loaf is mouldy. This is because bread is porous so mould spreads very quickly. So, if you’re like me and believe that pinching the mouldy bits off and popping in the toaster gets rid of the bacteria, think again!

Fresh fruit
Fermented smells and flavours as well as changes to texture are the easiest ways to tell if fruit has gone bad. Other signs are discolouration and wrinkling of the skin.

Uncooked meat
Just because uncooked meat has changed colour, that doesn’t mean it’s gone bad. Colour changes can occur from exposure to air. But if your meat smells foul, appears slimy or feels sticky or tacky, it’s best to throw it out.

Milk and yoghurt
Milk will tell you when it’s off by giving off an unclean sour smell or when it gets chunky or lumpy. Yoghurt can last up to three weeks thanks to its inbuilt bacterial cultures, which act as a preservative. Bad yoghurt will have an extra amount of liquid on top and curdling near the bottom.

Cheese
Mould on hard cheese is generally nothing to be concerned about. Unlike bread, hard cheese is not very porous, so you’ll be safe enough to cut the mould off. Mould on soft cheese is a different story, and you should probably throw the whole lot out.

Do you have any food safety tips? Feel free to share them below.

Related articles:
Five nifty ways to reduce food waste
Is it time to clean your fridge?
How to read food labels





COMMENTS

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Triss
12th Jan 2018
12:45pm
Much food safety starts with hands. Wash your hands before and after handling or preparing food, especially raw or shell/fish.
pedro the swift
12th Jan 2018
1:55pm
Eat it all. Challenge your immune system!
rtrish
12th Jan 2018
2:00pm
I use a common brand of pesto from my supermarket. In a single-person household, it takes a while to use up, but I have never had a problem. However, recently I happened to read on the jar that it should be consumed within THREE DAYS and then disposed of. THREE DAYS! That would mean I only ever use it for one or maybe 2 meals at the most. I contacted the company to see if it was correct, and they said yes. I then tried a different brand which said use within 2 weeks. Only slightly better.
trood
12th Jan 2018
2:42pm
Well said, especially relevant to single households, who wants to use it up in 2 weeks let alone 3 days, what a waste.
I would like to see these items put into small pouches so each is enough for 1 recipe thus save having to throw the whole jar out.
Triss
12th Jan 2018
5:37pm
Once you’ve opened the jar, rtrish, spoon portion sizes into ice cube trays and freeze them.
Star Trekker
12th Jan 2018
3:27pm
I have eaten unopened thickened cream up to 1 month after the use by date. I also do this with yoghurt. The point is that is unopened and no air has gotten in.
casey
12th Jan 2018
4:09pm
I think most of us were around well before use by dates came into existence.
If it looks OK, smells OK, and tastes OK whats the problem. Don't be wasteful.
maelcolium
12th Jan 2018
9:33pm
"Poultry and red meat (cooked)
Keep in fridge for three or four days, or in fridge for two to six months."

WTF!!!!
Blossom
12th Jan 2018
10:39pm
I made the mistake of freezing bananas which appeared to be quite firm. A day later I cut open a banana from the same batch which looked perfect on the outside, the skin was still normal colour and the banana still felt firm but the inside of it was brown. I stopped buying bananas for awhile when I heard from a friend who at that time lived in northern Qld. that some banana farms were under quarantine because of a virus but were still managing to sell them.
Tzuki
16th Jan 2018
4:35pm
My elderly (very elderly) father told me recently that he found some Brandy butter frozen in the fridge area at the very back and was eating it. It was over 9 years old! I was horrified - but he is fine and went ballistic at me when I told him to throw it out.
This Brandy Butter wasn't frozen all that time; just when his fridge had a recent problem. I am very sceptical.


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