Company email (October 2020)
"[Barberani Luigi e Giovanna, Barberani Polvento, Barberani Calcaia, and Barberani Moscato Passito] are all vegan friendly!"
Update (October 2017)
According to http://barberani.com/en/wine-card.html and as stated in a ompany email (October 2017,) Orvieto Castagnolo, Grechetto, Polago, Amore and Foresco are certified vegan.
Barberani Calcaia
by Barberani
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.