eXceptional Yokes!

 

I missed last weeks ABC round as I was ill, but fortunately I can cover 2 weeks in one go!

Our hens are still not laying and whilst the day has been much better today ie no rain or snow the temperature was very low, infact one of the coldest days so far. The hens will not lay until they feel Spring is on its way and when they do start laying again my all time favourite will be boiled eggs. with soldiers!

Have you ever had a hard boiled egg that had a green yolk or a yolk with a green to grey ring around it? Here's a look at the chemistry behind why this happens.....I remembered this when I looked it up. When I sat my O Level Domestic Science it was one of the questions. I answered well because I passed. The theory was much better than the practical which was a disaster - but I passed!

 

Answer: The green ring forms when you overheat the egg, causing hydrogen and sulfur in the egg white to react and form hydrogen sulfide gas. The hydrogen sulfide reacts with iron in the egg yolk to form a grayish-green compound where the white and yolk meet. While the color isn't particularly appetizing, it's fine to eat. You can keep the yolk from turning green by chilling the eggs as soon as they have finished cooking. One way to do this is by running cold water over the hot eggs as soon as the cooking time has elapsed.

 

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