The “industrial sulfur” is actually sodium metabisulfite or E223 (preservative). According to the article, the farmers aren’t supposed to use this preservative at all, so there may be some restrictions with this specific berry.
According to this article E223 is GRAS and approved by several food authorities. Obviously, there are restrictions, so you can’t do whatever you want.
The “industrial sulfur” is actually sodium metabisulfite or E223 (preservative). According to the article, the farmers aren’t supposed to use this preservative at all, so there may be some restrictions with this specific berry.
According to this article E223 is GRAS and approved by several food authorities. Obviously, there are restrictions, so you can’t do whatever you want.