The second one states: "In all experiments, the amounts released were below known allergy-triggering thresholds." Doesn't mention what those thresholds are though.
Not sure I would assign any importance to this info, but guess I learned a little bit.
https://pubmed.ncbi.nlm.nih.gov/23984718/
Here's another:
https://pubmed.ncbi.nlm.nih.gov/27804135/
The second one states: "In all experiments, the amounts released were below known allergy-triggering thresholds." Doesn't mention what those thresholds are though.
Not sure I would assign any importance to this info, but guess I learned a little bit.