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  • Title: Hydrolysis of triacylglycerol emulsions by lingual lipase. A microscopic study.
    Author: Patton JS, Rigler MW, Liao TH, Hamosh P, Hamosh M.
    Journal: Biochim Biophys Acta; 1982 Aug 18; 712(2):400-7. PubMed ID: 7126614.
    Abstract:
    The effect of lingual lipase on four different triacylglycerol emulsions was observed by light microscopy at pH 5-6. The extent of hydrolysis on the microscope slide was determined with the aid of radioactive emulsions or by analyzing the products by gas-liquid chromatography. Artificial emulsions that had been stabilized with amphiphilic lipids gradually coalesced during the unstirred lipase reactions. Gum arabic-stabilized emulsions and human milk fat droplets did not stick to each other or coalesce during lingual lipase hydrolysis. No visible liquid-crystalline product phases, as are seen with pancreatic lipase (Patton, J.S. and Carey, M.C. (1979) Science 204, 145-148), were observed with lingual lipase. The products of lingual lipase activity, protonated fatty acid and diacylglycerol, appear to remain dissolved in the oil phase of the triacylglycerol particle.
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