An apple begins to brown when it is exposed to oxygen, which can occur at any temperature, but the process speeds up in warmer conditions. Typically, browning starts at temperatures above 32°F (0°C), as enzymes in the apple react with oxygen. To slow down browning, it's best to keep apples refrigerated and limit their exposure to air.
Apple will start to brown 10 minutes after it is sliced
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Dark brown apple seeds are brown
That the lime was going to help the apple from turning brown.
Apple Brown Betty - album - was created in 2003.
Light brown apple moth was created in 1863.
apple
how dose a apple turn brown
Because the apple has a chemical in it that will make it turn brown when wet.
It is generally safe, unless of course it has been sitting around for a LONG time. The flesh of apples turn brown due to oxidation. One way to help stop this from happening is to put the apple in lemon juice. The acid helps stop this from happening so quickly. Have you ever seen raw hamburger that is brown on the top, but when you get in to it, it is red? It is basically the same thing. It is the oxygen that causes this to happen (oxidation). If the apple is kept at a safe temperature, it will not hurt you to eat it, even if it is a little brown. If the apple is not kept at safe temperature after being cut, as a general rule, 4 hours should be the cut off for eating it without worries.
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