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Peeling, cutting or crushing an onion's tissue releases enzymes called allinases, which convert these molecules to sulfenic acids. The sulfenic acids, in turn, spontaneously rearrange to form syn-propanethial-S-oxide, the volatile irritating chemical that triggers the tears. (Taken from Scientific American)
What else can I help you with?
Why do onions cry?
Onions contain sulfur compounds (which also give them their characteristic smell). The compounds are gases and are released when onions are cut. These gases react with the water in the tears in the eyes to form other acidic compounds which irritate the eye and cause crying.
Why do onions make you cry, according to Wikipedia?
Onions make you cry because they release a gas called syn-propanethial-S-oxide when cut, which irritates the eyes and triggers tears as a natural defense mechanism.
Why man gets tears while cutting onions?
When onions are cut, they release a compound called syn-propanethial-S-oxide. This compound triggers a reaction in our eyes, causing tear glands to produce tears as a defense mechanism to flush out irritants. The tears help to protect the eye from the irritating fumes released by the onion.
What percent of people cry when they cut onions?
i think near about 70% people are cry when they cut onions including me.
How do you sweat onions?
You cry.Your tears will fall on the onion and it will look like the onion was sweating.
What is a good name for a science fair project about preventing onions from making you cry?
The no fears of tears expiriment!
How long will cut onions last in the fridge before they spoil?
Cut onions will typically last in the fridge for about 7-10 days before they spoil.
How long are cut onions good for before they spoil?
Cut onions are generally good for about 7-10 days when stored in the refrigerator before they spoil.
How long can cut onions last in the fridge before they spoil?
Cut onions can last in the fridge for up to 7-10 days before they spoil.
How long do cut onions last in the fridge before they spoil?
Cut onions typically last in the fridge for about 7-10 days before they spoil.
Do cut onions need to be refrigerated?
Cut onions do not need to be refrigerated, but they should be stored in an airtight container in the refrigerator to maintain freshness and prevent odors from spreading.
How should onions be stored once they are cut?
Once cut, onions should be stored in an airtight container in the refrigerator to maintain freshness and prevent odors from spreading.
