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Terminalia arjuna Wight & Arn. (Combretaceae) is a tree having an extensive medicinal potential. The plant is used traditionally in the treatment of various aliments. T. arjuna is a very good hypocholsteremic, hypolipidemic, anticoagulant, antihypertensive, antithrombotic, antiviral, antifungal and antibacterial agent Various parts of plant have been investigated for the presence of phytoconstituents and pharmacological activities. Many useful phytoconstituents have been isolated from T. arjuna. Triterpenoids are mainly responsible for cardiovascular properties. Tannins and flavonoids are responsible for its anticancer properties. The present review summarizes the ethnic use, pharmacological activities of the extracts and phytoconstituents of T. arjuna for last 90 years.

Biorelevant in vitro dissolution is a useful technique for qualitative forecasting of the in vivo behavior of a formulation. A biorelevant dissolution medium for simvastatin was developed with a lower concentration of surfactant (0.1% sodium lauryl sulfate, SLS) in the medium as compared with the 0.5% SLS concentration stated in the USP monograph. The slower dissolution rate of simvastatin tablets in 0.1% SLS relative to a self-emulsifying formulation of simvastatin correlated with the enhanced bioavailability of the self-emulsifying formulation in albino rats.

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