1990s research at Novartis, not sure how quickly the new cultivars were adopted,.maybe someone else can chime in
https://www.npr.org/sections/thesalt/2019/10/30/773457637/fr...
Did they get the sulfurous compounds out as well?
https://www.npr.org/sections/thesalt/2019/10/30/773457637/fr...
Did they get the sulfurous compounds out as well?