| 摘要 |
PROBLEM TO BE SOLVED: To increase a biosurfactant without requiring a complicated and high-level technology such as the separation of a microorganism, identification of a kind of germ, explication of decomposition ability thereof in the case where a petroleum based contaminant in an environment is cleaned by the assistance of the biosurfactant. SOLUTION: The microorganism having acclimation with the contaminant increases the amount of the biosurfactant produced at the outside of a cell by adding saponin to a contaminated environment system such as water and soil in which the petroleum based substance such as petroleum and waste oil exists as the contaminant. COPYRIGHT: (C)2004,JPO
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