i think it is because when you leave an apple that has been cut open it reacts with the air. the apple in your smoothie has reacted with the air and gone brown. it should be ok to drink but it depends on how long it has been in your fridge for.
no]:
yes.
An apple in a Ziploc bag, and it helps to put it in the fridge or freezer!
A pear, because it's softer then an apple. This means even when left in the fridge bacteria and what not will penetrate it more quickly.
Yes, it is generally safe to drink a banana smoothie that has been left overnight in the fridge, provided it was stored in an airtight container and the refrigerator is functioning properly. However, the texture and taste may change due to separation or browning of the banana. Always check for any off smells or unusual appearance before consuming. If in doubt, it's best to err on the side of caution and discard it.
It starts to get brown and soft
No, it would be a chemical if someone cut open a apple and left it on a table for 20 minutes then coming back and the apple being brown.
The Left-Hand Side of the Fridge was created in 2000.
After 8 to 10 days if left not in a ziploc bag it becomes moist, brown, and smells bad
Milk should not be left out of the fridge for more than two hours to prevent it from spoiling.
forever
You can put the pulp in a smoothie or just compost it.