Why Do Onions Make You Cry And How To Prevent It Scientific Explain The takeaway. preparing onions often causes a chemical reaction that results in tears for most people. some people are more sensitive to onions than others. try chilling onions in ice before. 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.
Why Do Onions Make You Cry The Answer Is In The Soil Onions make your eyes burn for the same reason they make you cry: thanks to the combination of that chemical compound and the enzyme that synthesize when an onion is cut. this creates syn propanethial s oxide, a volatile gas that makes your eyes burn and fill with tears. here’s how the process works:. When you cut an onion, you break open cell after cell, releasing their liquidy contents. previously separated enzymes meet the sulfur rich amino acids and form unstable sulfenic acids, which then rearrange into a chemical known as syn propanethial s oxide. this sneaky chemical is volatile, meaning it easily vaporizes, and causes a burning. 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. Using a sharp knife while cutting onions will drastically trim down the amount of cells you’ll bruise. as a result, fewer enzymes will be released, thus, fewer tears. freeze for 30 minutes. pop.
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