Black Lumps In Potatoes

[AndiFlatland]

All my life I've gone to the trouble of removing any of those black lumps you get in many potatoes - usually around the size of a pea or thereabouts (something which most fish & chip shops fail to do, if they make their own chips, rather than buying huge frozen bags of pre-cut chips - and even those chips have black lumps left in them). I was always given to believe that those lumps were not good to be eaten, and that they could give you stomach upsets. Is this actually the case?

[Tilly2]

It's a long time since I saw any of those black lumps in my potatoes.. So long, that I had forgotten about them. However, when I did see them, I never ate them. They always looked like little blackeggs. Yeuk.

[Old_Geezer]

It's fungal infection. A disease of spuds, I understand it's harmless to humans when eaten. It's just aesthetics that make us wish to avoid them.

[Pocket_Rocket]

I remember being told that it was blight, and to throw the spud away - also, same with any green potatoes.

[Old_Geezer]

I think green is due to exposure with sunlight. It's chlorophyll.

A small amount won't harm you but maybe best avoided as where that is, so may be a bitter toxin which could upset you.