might want to check with the local health department for this type of info. but you can always sterilized like they do when canning. put the jars in a big pan and boil them for around 10 minutes.
I have a small specialty retail store that trades in healthy superfoods and powders. Until now I have always packed my foods in kraft bags and stand-up pouches for retail sale.
I have several customers that would like for the products to be packed in tins or glass jars for holiday gifts. I have a local supplier for the tins and jars but my question is what must I do to "sterilize" the jar and tins prior to packing with my powders?