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Browning (food process) - Wikipedia


Browning is the process of becoming brown, especially referring to food. Browning foods may be desirable, as in caramelization, or undesirable, as in an apple ...

Why do apple slices turn brown after being cut? - Scientific American


When an apple is cut (or bruised), oxygen is introduced into the injured plant tissue. ... and the lower pH that they bring about causes PPO to become less active.

Why Do Apples Turn Brown? Experiment | Education.com


Sep 11, 2013 ... In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

How Does Acid Keep Apples From Turning Brown?


Try this experiment to see how chemistry can keep your apples and pears fresh ... This reaction causes the fruit to turn brown, similar to rust forming on metal.

Why do apples turn brown when you cut them? - UCSB Science Line


Remember these yummy apple pies with brown apples on top? Apples turn brown when exposed to air because of the oxidation process that goes on when the ...

Why the Insides of Apples Turn Brown When Exposed to Air


Apr 15, 2014 ... The insides of apples turn brown when exposed to air thanks to a built in defense mechanism against bacteria and fungus. The trigger for this is ...

How long does it take for an apple to turn brown? | Reference.com


Depending on the type of apple, it can turn brown almost instantly after being cut or take up to several hours. The oxidation process causes the apple to turn ...

Why Apples Turn Brown - Decoding Delicious


Jan 21, 2013 ... The good news is that a brown apple is perfectly safe to eat. The bad news is that it's ugly. The cause is enzymatic browning, a molecular ...

Why do apples and potatoes turn brown when you slice them ...


The enzyme then has access to oxygen in the air and it does its thing, turning the fruit brown. This is the same thing that causes brown spots in apples when you ...

Why Fruits and Vegetables Turn Brown - How To Cooking Tips ...


Some of the fruits that turn brown are apples, pears, peaches, and bananas. ... The corrosion will cause fruits and vegetables to brown faster and will increase ...

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Why Does Your Apple Turn Brown, and How Can You Stop It?


Jul 15, 2014 ... Why do apples try so hard to foil your quest for vitamins? ... American, Why Do Cut Apples Turn Brown, Polyphenol Oxidase Causes Browning.

What factors affect the oxidation of apples? | SEP LESSONS


Apples and other fruit turn brown once the cut surface is exposed to air due to a reaction with oxygen in the surrounding air, a chemical reaction called ... Why do some fruits and vegetables turn brown after you cut them? .... Cause and Effect ...

Why Cut Apples Turn Brown - Chemistry - About.com


Learn why apples, pears, bananas, potatoes, and other fruits and vegetables turn brown when they are cut or damaged.