What Is Onion Bolting?

An onion will bolt if it gets too hot and starts to shrivel up or burn. If the temperature goes above 90 degrees Fahrenheit (32 degrees Celsius), the bulb ruptures, releasing its contents into your mouth. You may feel like you’re going to throw up at any moment; however, there’s no need to panic: you’ll soon recover from this experience. However, if the temperature reaches 100 degrees Fahrenheit (38 degrees Celsius) within 10 minutes, then the bulb will burst. When this happens, you’ll probably have a nasty shock in your mouth and throat.

The best way to prevent from getting bitten by an onion is to keep it away from you until it cools down enough so that you don’t get burned.

How To Prevent From Getting Bitten By An Onion?

If you want to avoid getting bitten by an onion, then just stay away from it until it cools down enough so that you don’t get burnt. This is very easy to do: Just leave the house! Do not touch or even look at an onion until it cools off completely. For example, if you were eating a piece of onion soup right now, you wouldn’t be able to taste anything because the heat would make your tongue swell up and turn black. You’d be able to smell the delicious flavor of the soup, but you wouldn’t be able to taste it.

We suggest that you don’t eat or drink anything too hot when eating an onion. Let it cool off before putting it into your mouth. If you don’t have time to wait, immediately rinse your mouth out with something cold.

When your mouth is all tingly and numb, this is a sign that it’s still too hot to eat.

Sources & references used in this article:

Effect of cold temperature durations of onion sets in store on the incidence of bolting, bulbing and seed yield by KM Khokhar, P Hadley, S Pearson – Scientia horticulturae, 2007 – Elsevier

Effect of set-size and storage temperature on bolting, bulbing and seed yield in two onion cultivars by KM Khokhar – Scientia horticulturae, 2009 – Elsevier

The effect of cultivar, sowing date and transplant location in field on bolting of Welsh onion (Allium fistulosumL.) by Y Dong, Z Cheng, H Meng, H Liu, C Wu, AR Khan – BMC plant biology, 2013 – Springer

Studies in the physiology of the onion plant: I. An investigation of factors concerned in the flowering (‘bolting’) of onions grown from sets and its prevention by OVS Heath – Annals of Applied Biology, 1943 – Wiley Online Library

Prevention of premature bolting in onions following maleic hydrazide treatment by RS Choudhri, VB Bhatnagar – Proceedings of the Indian Academy of …, 1953 – Springer

A comparative study of onion varieties in relation to bolting and yield when grown from sets by M Holdsworth – Annals of Applied Biology, 1945 – Wiley Online Library

Genetic analyses of bolting in bulb onion (Allium cepa L.) by S Baldwin, R Revanna, M Pither-Joyce, M Shaw… – Theoretical and applied …, 2014 – Springer

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