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Light micrographs of w/o emulsions with 46% water and stabilised with 8% hydrothermally treated coffee particles with differing oil phase composition acquired after one day of storage at 25 °C. Images are of w/o emulsions with oil phases of (A) 100% dodecane; (B) 75% dodecane; (C) 50% dodecane; (D) 25% dodecane; and (E) 100% IPM. Scale bar represents 1000 μm. The arrows indicate the presence of arrested coalescence.
