MgAl monolayer hydrotalcite increases the hypoglycemic effect of berberine by enhancing its oral bioavailability.
2020
Abstract Berberine (BBR) is a potential novel agent to treat diabetes, but its oral bioavailability is restricted by the poor solubility, which greatly limits its clinical application. Here, a new drug delivery system of BBR-MgAl monolayer hydrotalcite (BBR/MLDH) was prepared to increase the solubility and bioavailability of BBR. The results showed that BBR/MLDH presented as a uniform hexagonal plate-like particle with a loading capacity of 28.61 %, a diameter of ∼70 nm and a thickness of ∼1.5 nm. The solubility and dissolution of BBR increased when loading onto MLDH. Compared with BBR, pharmacokinetics of BBR/MLDH in rats showed significant enhancement (P
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