Effect of selected lipid substrates on the process of biosynthesis of surface-active compounds by the Candida bombicola yeasts

• Autorzy: Gumienna M. , Czarnecka M. , Czarnecki Z.
• Języki publikacji: EN

Abstrakty

EN

The performed investigations were concerned with the possibility of utilisation of the yeasts ATCC 22214 Candida bombicola for the biosynthesis of surface active substances on substrates containing oleic acid, sunflower oil and post-deodorising condensate as carbon sources. Glucose was the source of hydrophilic carbon in the medium, whereas nitrogen was supplied by the yeast extract. The highest yields of biosurfactants (124.5 g·dm-3 - oleic acid, 116 g·dm-3 - sunflower oil and 118.5 g·dm-3 - post-deodorising condensate) were achieved using the medium in which 3 g of glucose and 0.05 g of yeast extract and 1 g of the fat substrate. The obtained biosurfactants, depending on the fat substrate applied in the culture medium, differed with respect to their appearance. The obtained preparations reduced the surface tension of water from 70 mN/m to approximately 32 mN/m.

Słowa kluczowe

EN

yeast; fat substrate; lipid substrate; Candida bombicola; surface-active substance; surface-active compound; biosynthesis; biosurfactant; sunflower oil; oleic acid

• Wydawca: -
• Czasopismo: Electronic Journal of Polish Agricultural Universities. Series Food Science and Technology
• Rocznik: 2005
• Tom: 08
• Numer: 2
• Opis fizyczny: http://www.ejpau.media.pl/volume8/issue2/art-12.html

Twórcy

autor

Gumienna M.

• August Cieszkowski Agricultural University of Poznan, Wojska Polskiego 31, 60-624 Poznan, Poland

autor

Czarnecka M.

autor

Czarnecki Z.

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