store alcohol tinctured herbs in polypropylene for extended time Can I store alcohol tinctured medicinal herbs in the 2 oz. food grade polypropylene cups  (PP 5) for about a week?  I would like to have several "doses" ready to go because they are taken several times a day, and I would like to have several days ready to use at all times.  Thanks
The alcohols should not be an issue, it is used for storing often.  Some oils will affect it.

Here is a random guide that includes a few common oils.