Best Practices: Spices/Black pepper By Lewis Perdue on July 9, 2020 in Apparatus & Equipment, Best Practices, Reagents: Consumables & Food Branded, organic with other possible benefits. If all the text is honest, then care has been taken with this. This is as close as one can get to the source. Peppercorns rinsed in carbon-filtered water to remove dust and microplastics from processing Peppercorns dried on 100-percent organi cotton towel. Peppercorns places in stainless steel pan and dried in a dehydrator at 95 degrees F for 1 hour Peppermill: all stainless steel and glass with ceramic grinder parts.