Journal of the American Oil Chemists’ Society

, Volume 73, Issue 1, pp 149–151 | Cite as

Foaming properties of surfactin, a lipopeptide biosurfactant fromBacillus subtilis

  • Hary Razafindralambo
  • Michel Paquot
  • Alain Baniel
  • Yves Popineau
  • Choukri Hbid
  • Philippe Jacques
  • Philippe Thonart
Short Communication

Abstract

Foaming properties of surfactin were investigated and compared to those of sodium dodecyl sulfate (SDS) and bovine serum albumin (BSA). Foams were formed by a bubbling technique. Evolution of the foam volume and the liquid in the foam was monitored with optical and conductimetric methods to characterize foam formation and stability. Excellent foaming properties of surfactin were shown by its higher ability to form and stabilize the foam at a concentration as low as 0.05 mg/mL, in comparison with SDS and BSA. Surfactin produced a foam with intermediate maximum density and stabilized the liquid in foam, as well as BSA.

Key Words

Bacillus subtilis biosurfactant foaming properties lipopeptide surfactin 

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Copyright information

© AOCS Press 1996

Authors and Affiliations

  • Hary Razafindralambo
    • 1
  • Michel Paquot
    • 1
  • Alain Baniel
    • 2
  • Yves Popineau
    • 2
  • Choukri Hbid
    • 3
  • Philippe Jacques
    • 3
  • Philippe Thonart
    • 3
  1. 1.Faculte des Sciences AgronomiquesU.E.R. de Technologie des Industries Agro-alimentairesGemblouxBelgium
  2. 2.Laboratoire de Biochimie et Technologie des ProteinesInstitut National de la Recherche AgronomiqueNantes Cedex 03France
  3. 3.Centre Wallon de Biologie IndustrielleUniversite de LiegeLiegeBelgium

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