Have pickled onions and beetroot got the same vitamins and minerals in them as fresh ones?!
Answers: NO, all cooked foods lose some vitamin values when heated and pickled foods need to be scalded or blanched to be processed. Heat destroys some water soluble vitamins.
The same ones, yes, but probably a bit diluted due to them leaking into the vinegar.
yes...just not as strong.
no
yes but not as strong