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Sposobnost biokonverzije ricinovega olja v laktone pri kvasovkah : diplomska naloga = The yeasts capacity for bioconversion of castor oil into lactones : graduation thesisJejčič, BrunaNamen diplomske naloge je ugotoviti rast testiranih kvasovk v sestavljenem gojišču z dodanim ricinovim oljem kot laktonskim prekurzorjem ter sposobnost biokonverzije prekurzorja v laktone. Biomaso ... smo submerzno namnoževali na rotacijskem stresalniku pod aerobnimi razmerami v sestavljenem gojišču in v sestavljenem gojišču z 2 odstotka ricinovega olja. Rast kvasovk smo spremljaliz merjenjem pH vrednosti in ▫$pO_2$▫. Na nobeno od testiranih kvasovk ricinovo olje ni delovalo inhibitorno. Laktone smo ekstrahirali s selektivno ekstrakcijo in analizirali s plinsko kromatografijo z metodo eksternega standarda. Laktone, ki smo jih analizirali, so: ▫$\gamma$▫-oktalakton, ▫$\delta$▫-dekalakton, ▫$\delta$▫-dekalakton, ▫$\delta$▫-undekalakton in ▫$\delta$▫-dodekalakton. Kvasovka ▫{\sl Candida lipolytica}▫ ZIM 14 je proizvedla 38,57 mg/l skupnih laktonov, ▫{\sl Yarrovia lipolytica}▫ ZIM 39 43,19 mg/l, ▫{\sl Hansenula anomala}▫ ZIM 47 3,23 mg/l, ▫{\sl Pichia ohmeri}▫ ZIM 42 2,03 mg/l, ▫{\sl Kluyveromyces marxianus}▫ ZIM 73 1,65 mg/l, ▫{\sl Sporobolomyces gracilis}▫ ZIM 54 1,28 mg/l, ▫{\sl Kluyveromyces marxianus}▫ ZIM 1 1,17 mg/l, ▫{\sl Rhodotorula aurantiaca}▫ ZIM 53 1,05 mg/l, ▫{\sl Sporobolomyces pollaccii}▫ ZIM 10 0,22 mg/l in ▫{\sl Saccharomyces cerevisiae}▫ ZIM 410 0,14 mg/l.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Jejčič], 1996Language - slovenianCOBISS.SI-ID - 127608
Author
Jejčič, Bruna
Other authors
Raspor, Peter |
Klofutar, Cveto
Topics
mikroorganizmi |
kvasovke |
proizvodnja arom |
ricinovo olje |
laktoni |
ekstrakcija laktonov |
določevanje laktonov |
plinska kromatografija |
plinska kromatografija
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Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Food Science and Technology, Lj. | Ljubljana | BFZIV |
outside loan 2 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Jejčič, Bruna | ![]() |
Raspor, Peter | 04001 |
Klofutar, Cveto | 00177 |
Source: Personal bibliographies
and: SICRIS
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