[Salvation]

But the hosts in many Eucharistic miracles DOES have DNA and has been tested — such as Lanciano.

[Mrs. Don-o]

Yes, but in exceptional Eucharistic miracles like Lanciano, the Eucharistic Elements lose Their usual appearance (or "accidents") of bread and wine, to resume at least some of the appearances of the materials of physiological life.

I really can't discuss it further, because I don't really know the Scholastic philosophical vocabulary. Translating these rather abstract terms has often caused a lot of trouble. For instance, Aquinas raised doubts that the Latin "substantia" really was an exact synonym of the Greek "ousia" --- and in common (21th century) English, "Substance" means almost the OPPOSITE of "ousia".

There, I've already told you more than I know!