Abstract

AbstractInteresterification of tripalmitin and stearic acid inn‐hexane was investigated with surfactant‐modified lipases. Various kinds of lipases and surfactants were screened for high interesterification activity of the modified lipases. The modified‐lipase hydrophile‐lipophile balance value and fatty acid group of the surfactants. The modified lipase obtained fromRhizopus japonicus with sorbitan monostearate as surfactant had the highest activity in then‐hexane system. The interesterification activity of the selected modified lipase in molten substrates at 75°C without solvents was the same as that in then‐hexane system at 40°C.

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