Herbal drugs have been widely used all over the world since ancient times and have been recognized by physicians and patients for their better therapeutic value as they have fewer adverse effects as compared with modern medicines. The development of novel drug delivery system (NDDS) is of considerable importance to overcome various constraints like poor bioavailability, in-vivo stability, aqueous insolubility, intestinal absorption and unspecific site of action. This article summarizes various nanoparticulate preparation methods that have been studied for the delivery of herbal medicines and which are gaining more attention for improved therapeutic response. DDS of herbal drugs have a potential application for improving the activity and countering the problems related to herbal medicines. Hence, application of nanocarriers as an NDDS in the traditional herbal medicine system is important to treat more chronic diseases like infectious endocarditis.
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