Herb borneol is usually used in clinics for the treatment of central nervous system illness, for its ability of blood–brain barrier permeability, although its poor water solubility and poor bioavailability limit its clinical application to some degree. In this study, we developed a novel nanoparticle combining the benefits of vitamin E d-ɑ-tocopheryl poly(ethylene glycol) succinate (E-TPGS) (or TPGS) and guar gum to get TPGS-g-guar gum as a drug delivery system to carry borneol, which could improve the solubility of borneol and increase the drug-loading capacity efficiently. The results showed that TPGS-g-guar gum nanoparticles delivery system was suitable to carry borneol and release the drug effectively, and TPGS-g-guar gum/borneol nanoparticles would be a potential platform for improving the treatment of central nervous system illness and cerebrovascular disease.
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