The chemical that causes the tears is syn-propanethial-S-oxide, a corneal irritant.
White, yellow, and red onions are much more likely to make us cry than green onions. Onions make us tear up because of a reaction in the vegetable that occurs as we break into it, which causes the release of a chemical called lachrymatory factor, which then irritates our eyes.
It's not just purple onions. There is a chemical inside of onions that, when you slice an onion, are released into the air. This causes a slight chemical reaction in your eyes, causing a burning sensation. To combat the burning, your eyes tear, causing you to "cry."
The sulfur compounds in ordinary onions are more concentrated and more effective at stimulating our tear glands.
pungent, tear-inducing, strong, flavorful
No, onion juice makes your eyes tear up and cry because they don't like the juice. Do not squirt onion juice into your eyes.
shoot of the plant grows up as onions growing up
Onions and bellwethers
A cupfull! You have to peel and cut up the onions, put them in the cup until you get that cup full. The size of the onions is the controlling factor. There are large onions that one will make two cups and other small ons that 20 want fill a cup.
Garlic contains 0.1-0.36% of a volatile oilGarlic contains at least 33 sulfur compoundsBesides, sulfur compounds garlic contains 17 amino acids and their glycosides, arginine and others.
Approximately 1.1 onions
Tear It Up was created in 1984.
From what I learned at school in food preparation, if you cut off the bottom part of the onion (where the root stems from), it releases a strong gas like substance which burns your eyes and/or makes you tear up. I'm not 100% sure if that is accurate, but it's somewhat relevant.