Phytosomes

Abstract

The phytoconstituents, especially polyphenolic and flavonoids, have various pharmacological activities such as anticancer, antidiabetic, hepatoprotective, antiinflammatory, antiobesity as well as cardioprotective. The polar nature and high molecular weight of these phytoconstituents would limit the rate of permeation through biological membrane and solubility, therefore, leading to a decrease in their bioavailability and therapeutic efficacy. The bioavailability of polyphenolic compounds can be improved by integrating them into the phospholipid-based self-assembled delivery systems, which are referred to as phytosomes or herbosomes. Phytosomes are vesicles in which the phospholipids bond with the hydrogen in the polyphenolic components to deliver the drugs to the targeted site without their metabolism. The present chapters discuss the preparation, properties, characterization, application, various dosage forms, and marketed formulations of the phytosomes.

Keywords: Characterization, Phytosomes, Polyphenol, Preparation.

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