The Real Reason Onions Make You Cry вђ World Wise ођ Here’s the real reason onions make you cry. here’s how onions work. whole onions are basically odorless and definitely won’t make you cry. it’s the chemical compounds in the bulb’s cells which have interesting effects. some researchers say onions release irritant chemicals, like the ones that make you cry, as a defense mechanism. Certainly sweeter onions tend to have less of the sulphur containing compounds that eventually produce the propanthial s oxide. but it's also possible that no two onions from the same bag will have the same effect, so cutting into the vegetable may be the only way to know if it will make you cry. however, we have a better idea why onion's.
The Real Reason Onions Make You Cry вђ World Wise ођ August 23, 2017. wikimedia commons. onions are one of humanity’s oldest friends—providing sustenance (and tears) for at least 5,000 years. it wasn't until the last couple decades that. Basically, slicing an onion creates a chain reaction that produces an airborne chemical that creates a painful sensation when it comes in contact with your eyes and irritates your tear glands. The gas acts as gases do and rises up from the chopped onions. receptors in your eyes recognize the presence of an unfamiliar gas, and communicate with your brain to start the tears flowing in order to help protect your eyes from this compound. the gas is only released when you're cutting onions. the process of cooking them gets rid of all the gas. When an onion is sliced open, it releases a pesky molecule known as a lachrymatory factor. when it hits your eyes, it’s all over. your lachrymal glands start churning out tears. scientists long.
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