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Table 1 Classification of LBDDS by Pouton

From: Amelioration of lipophilic compounds in regards to bioavailability as self-emulsifying drug delivery system (SEDDS)

Category OIL (lipophilic) Surfactant (lipophilic) Surfactant (hydrophilic) Co-solvents Formulations
Category I 100 % 0% 0% 0% Simple oily solutions
Category II 40-80% 20-60% 0% 0% SEDDS
Category III 0% 20-40% 20-40% 20-50% SMEDDS
Category IV 0% 0-20% 20-80% 0-80% Colloidal micellar dispersions
  1. SEDDS self-emulsifying drug delivery systems, SMEDDS self-micro-emulsifying drug delivery systems [23]