Quantitative assay of bioemulsifier by turbidometric method

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Title
Quantitative assay of bioemulsifier by turbidometric method
Author(s)
Young Leen Jeong; Oh-Jin Park; Byung Dae Yoon; Ji-Won Yang
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 7, no. 3, pp. 209-211
Publication Year
1997
Abstract
A quantitative method for assaying bioemulsifiers in culture broth was developed and applied to cultivation of Pseudomonas aeruginosa YPJ80. SED(Standard Emulsification Dilution), an indirect measure of bioemulsifier concentration, was proposed. Production of bioemulsifier and rhamnolipid reached their maximum simultaneously. However, the bioemulsifier /rhamnolipid ratio decreased with cultivation time. This indicates the presence of another bioemulsifier other than rhamnolipid. The bioemulsifier seems to be protein-like activator which showed emulsification activity in addition to rhamnolipid.
Keyword
PseudomonasRhamnolipidBiosurfactantsEmulsification
ISSN
1017-7825
Publisher
Korea Soc-Assoc-Inst
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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