BF, Dept. of Food Science and Technology, Lj. (BFZIV)
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Ugotavljanje protibakterijske aktivnosti komercialnih mlečnokislinskih starter kultur : diplomska naloga = Detection of antibacterial activity of commercial lactic acid starter cultures : graduation thesisČanžek Majhenič, AndrejaSpekter protimikrobne aktivnosti in prisotnost bakteriocina smo dodočali z metodo neposredne inhibicije na trdnem gojišču, bakteriocinsko aktivnost pa z metodo kritične razredčitve na trdnem gojišču ... in na mikrotitrskih ploščah. Testirali smo 21 komercialnih starter kultur na protibakterijsko aktivnost proti 24 izbranim indikatorskim bakterijam. Z enakimi metodami smo testirali tudi farmacevtski preparat LINEX, ki je namenjen zdravljenju prebavnih težav in je označen kot probiotik. Protibakterijski učinek proti indikatorskim bakterijam smo ugotovili pri 13 od 21 testiranih komercialnih starter kultur. Proizvodnjo protimikrobne snovi proteinske narave pa pri starter kulturah LA, LA-CH-5, ▫{\sl L. acid.}▫ 145, MSK/V10 in LAB 10. V brezceličnem bakteriocinskem pripravku, pridobljenem iz tekočega gojišča nismo ugotovili bakteriocinske aktivnosti. Starter kulture BB 12, ▫{\sl L. casei}▫ 01, LA-CH-5, ▫{\sl L. casei}▫ R, LAB 10 in terapevtik LINEX so bile odporne proti vrednostim pH 2-5 in koncentracijam žolčnih soli 0,1% do 1,5%. Med 21 testiranimi komercialnimi starter kulturami je pet takih (BB 12, ▫{\sl L. casei}▫ 01, LA-CH-5, ▫{\sl L. casei}▫ R in LAB 10), ki so možni kandidati za probiotične izdelke ali preparate. Posebno zanimiva sta LA-CH-5 in LAB 10, sajsta uspešno preživela učinkovanje kisline in žolčnih soli, hkrati pa proizvajata protimikrobno snov proteinske narave.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [BF, Oddelek za živilstvo] : [A. Čanžek], 1995Language - slovenianCOBISS.SI-ID - 141432
Author
Čanžek Majhenič, Andreja
Other authors
Rogelj, Irena, 1955- |
Raspor, Peter
Topics
starter kulture |
protibakterijska aktivnost |
bakteriocini |
probiotiki |
probiotiki |
starter cultures |
antibacterial activity |
bakteriocins |
probiotics |
probiotics
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BF, Dept. of Food Science and Technology, Lj. |
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Call number – location, accession no. ... |
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Hodnik DN 0000000748 IN: 0008157 Hodnik DN 748 IN: 0008157 |
available - outside loan, loan period: 1 months
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Hodnik DN 0000000748 a IN: 0008158 Hodnik DN 748 a IN: 0008158 |
available - outside loan, loan period: 1 months
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Hodnik DN 0000000748 b IN: 0013626 Hodnik DN 748 b IN: 0013626 |
available - outside loan, loan period: 1 months
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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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Čanžek Majhenič, Andreja | 15659 |
Rogelj, Irena, 1955- | 08857 |
Raspor, Peter | 04001 |
Source: Personal bibliographies
and: SICRIS
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