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Methods to improve the solubility of therapeutical natural products: a review

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Abstract

Many natural substances are efficient in vitro and in vivo for the treatment of various disorders. However, treatment is often limited by their low bioavailability, water solubility and permeation. As a consequence, drugs are administered frequently and in large doses. There is therefore a need for techniques to enhance the solubility, permeability and the stability. Here, we review methods to improve solubility using particle engineering, complexation, solid dispersion, solubilization, chemical modifications and use of nanocarriers.

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Abbreviations

US FDA:

United State Food and Drug Administration

CD:

Cyclodextrin

HP-β-CD:

Hydroxypropyl-β-cyclodextrin

PDI:

Polydispersity index

P-gp:

P-glycoprotein

PEG:

Polyethylene glycol

SLN:

Solid lipid nanoparticles

NLC:

Nanostructured lipid carrier

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Acknowledgements

The authors want to thank Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Government of India.

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Correspondence to Naveen Chella.

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Jain, H., Chella, N. Methods to improve the solubility of therapeutical natural products: a review. Environ Chem Lett 19, 111–121 (2021). https://doi.org/10.1007/s10311-020-01082-x

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  • DOI: https://doi.org/10.1007/s10311-020-01082-x

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