Review Article

Therapeutic Potential of Epigallocatechin Gallate Nanodelivery Systems

Table 1

Lipid nanoparticles used as EGCG carriers. Note. N/A denotes “not available” data.

ParticleLoading capacity (%)Loading efficiency (%)Size (nm)Administration routeIn vitro/in vivo resultsRef.

NLCs (glyceryl tridecanoate, glyceryl tripalmitate, soy lecithin and Kolliphor HS15, and chitosan)39950OralHigh stability in both acidic and neutral environments.
In vitro studies performed in THP-1-derived macrophages showed a decrease in inflammation and accumulation of cholesterol.
[27]

NLCs (phosphatidylcholine, Kolliphor HS15, and alpha-tocopherol acetate)1096108N/AIncreased EGCG stability. Enhanced accumulation inside macrophages and decrease in the production of MCP-1.[28]

Phosphatidylcholine, phosphatidylethanolamine, phosphatidic acid, and phosphatidylinositolN/AN/A30–80OralEnhanced EGCG oral bioavailability in vivo and induction of α-secretase activity in neuronal cells in vitro.[29]

NLCs (cetyl palmitate/Phospholipon 80, sesame oil, and Tween-80)2.7–3.699126–167TopicalPhotodegradation of EGCG under UVA radiation.[30]

SLN (glycerol monostearate, stearic acid, soya lecithin, and Pluronic F68)N/A67157N/AEnhanced stability in physiological fluids. Increased induction of cell death in breast cancer cells MDA-MB-231 and prostate cancer cells DU-145.[31]

Cationic lipid nanocarriers (Softisan® 100, Poloxamer 188, glycerol, Lipoid® S75, and CTAB/DDAB)N/AN/A~150OcularProlonged release of EGCG in biological medium. Permeation of rabbit cornea and sclera.[32]