“Researchers did a deep dive on 17 preservatives consumed by at least 10% of the participants and found 11 of those had no relationship with cancer. However, the six that were linked to cancer are considered GRAS, or “generally recognized as safe” in food by the [US Food and Drug Administration] Those include sodium nitrite, potassium nitrate, sorbates, potassium metabisulfite, acetates and acetic acid.”

There are some lemmy instances that have dine just that I believe! You could ask them