Unopened cans of pineapple can last up to 1-2 years after its best-by date. It's a common misconception that the date on the can is an expiration date, most times it's a best-by date. The best-by date is the date to consume it for peak quality and freshness.
Shelf Life Tips
Properly stored, an unopened can of pineapple will generally stay at best quality for about 18 to 24 months, although it will usually remain safe to use after that.
Once your canned pineapple is opened, it can only last a few days at room temperature and up to a week if stored in a fridge.
Properly stored, unopened pineapple juice that has been sold unrefrigerated will generally stay at best quality for about 18 to 24 months after the date on the package when stored at room temperature, although it will usually remain safe to drink after that.
Canned pineapple can be stored up to one year on the shelf in a cool, dry cabinet. Leftover canned pineapple should be refrigerated in its juice in a covered container and consumed within a week.
Unfortunately, pineapple juice does go bad and typically has a best-by date of about a year. However, you should be aware that the nutritional value of the drink may decrease over time. To tell if pineapple juice is bad, you can check the color of the liquid or smell it to see if any weird smells are coming from it.
High acid foods such as tomatoes and other fruit will keep their best quality up to 18 months; low acid foods such as meat and vegetables, 2 to 5 years. If cans are in good condition (no dents, swelling, or rust) and have been stored in a cool, clean, dry place they are safe indefinitely.
The short answer is yes. Rinsing the canned fruit will help remove that sugary syrup that's on the outside of the fruit, but it might not make a dent in the syrup the fruit has already absorbed. Ultimately, it's a better option than not rinsing at all.
Yes. Raw pineapple, in small amounts, is an excellent snack for dogs. Canned pineapple, on the other hand, should be avoided. The syrup in canned fruits contains too much sugar for most dogs' digestive tracts to handle.
Most shelf-stable foods are safe indefinitely. In fact, canned goods will last for years, as long as the can itself is in good condition (no rust, dents, or swelling). Packaged foods (cereal, pasta, cookies) will be safe past the 'best by' date, although they may eventually become stale or develop an off flavor.
Field management. As growers have pushed for higher yields, many have over-fertilized fields. This leads to high nitrate levels in crops, which can later cause detinning, when pineapples are canned, that produces a metallic taste in the fruit.
May Aid Digestion
The enzymes in pineapple juice help break down protein in your gut, which can help reduce constipation, gas, and bloating. Bromelain also has antibacterial properties that can protect your gut from diarrhea-causing bacteria like E. coli and reduce gut inflammation.
Plain, air-popped popcorn is safe for dogs to eat in small quantities. Buttered popcorn or popcorn with other toppings is not safe for your dog on a regular basis, although eating a few dropped pieces here and there probably won't hurt them.
Adding canned and dried fruits are a great way to add more fruit to your diet. Fruits contain essential vitamins and minerals that your body needs. Healthy canned fruit options include tomatoes, pumpkins, and tangerines. Some healthy dried fruits include apricots, prunes, and raisins.
Nutrition of Fresh and Canned Pineapple
Canned pineapple in juice has roughly 60 percent as much vitamin C as fresh, raw pineapple. Canning pineapple also destroys a key anti-inflammatory enzyme called bromelain, one of the best benefits of consuming sweet fruit.
The fruit will have absorbed some of the sugar from the syrup but draining the syrup will make a big difference. For example, a cup of canned peaches in syrup has around 990kJ but when drained that's down to around 470kJ. At the end of the day, eating any canned fruit is better than not eating fruit.
Canned food is forever safe, but it's a quality issue when you have a 'best-by' or 'use-by' date.” You should use your canned foods within a couple of years for the best quality of the product.
Overripe pineapples will feel soft to the touch, have a darker yellow color, and may have some brown spots on the skin. Rotten pineapples will often be slimy or mushy, have a very strong smell, and may even have mold growing on the skin.
Why does fresh fruit juice discolor? Fresh fruit juice or vegetable juice contains high-activity phenolase, which will be released when the cells are destroyed. Then the phenolase will contact with the oxygen in the air and make the polyphenol and vitamin C oxidized, so that the fruit juice turns brown.
If the bottom is mushy, wet, or moldy, the pineapple has probably gone bad and is not safe to eat. Take a look at the body as well. LEAFtv stated that if its color is orange, dark gold, or brown instead of green or yellow, the fruit inside has probably started to spoil.