Bicyclic diterpenoid lactone andrographolide is regarded as a "natural antibiotic" as it is known to exhibit a range of bioactivities including anti-inflammatory, antibacterial, antipyretic, antineoplastic, cardioprotective, hepatoprotective and hypoglycaemic, and is present in Andrographis paniculata. The aim of this article is to review the information on analytical methods for andrographolide in biological samples, pharmaceutical formulations and plant materials. This article includes various techniques such as Spectrophotometry, Chemiluminescence method, Electroanalytical method, Chromatography and various hyphenated techniques.
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