الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
many crude vegetable drugs suffer from the problem of instability on storage,but the work on the stability and effect of storage conditions on the crude drugs is still very limited.
in searching for a suitable,cheap medication from a vegetable or animal drug, it is usually recommended to prepare certain galenical preparations,namely:xetracts, tinctures,infusions and decoctions.