>A bundle of cinnamon sticks can be used for purification.
FDA finds ‘extremely high’ lead levels in cinnamon in applesauce at Ecuador plant
The Food and Drug Administration said Monday that samples of cinnamon from the plant that were tested contained levels of lead more than 2,000 times as high as proposed international limits for lead in food. Federal officials confirmed that they were investigating whether the poisoning was intentional.
https://www.washingtonpost.com/wellness/2023/12/19/fda-applesauce-lead-ecuador-cinnamon/
Cinnamon applesauce investigation finds lead levels more than 2,000 times higher than proposed standards, FDA says
The samples had “extremely high levels of lead contamination, 5110 parts per million (ppm) and 2270 ppm,” the agency said in an update Monday. “For context, the international standard-setting body, Codex Alimentarius Commission (Codex) is considering adopting a maximum level of 2.5 ppm for lead in bark spices, including cinnamon, in 2024.”
https://www.cnn.com/2023/12/18/health/cinnamon-applesauce-lead-levels/index.html