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Embalaža za olje : diplomska naloga = Packaging for oils : graduation thesisCerar, Gregor, 1969-Podan je celosten pogled na embalažo s treh vidikov (ekološkega, tehnološko-ekonomskega, pravno-normativnega) in s tremi nalogami (zaščita, logisika, marketing). Povzete so smernice EU o embalaži in ... embalažnih odpadkihter primerjane s slovenskimi zakoni. Primerjal sem stekleno, PVC in PET embalažo. Za poskus je bilo izbrano 100 % rafinirano jedilno sončnično olje. V steklenicah, PVC in PET plastenkah sem olje skladiščil v treh prostorih: v temi, pod neonsko svetlobo in na sončni svetlobi. Temperatura je bila konstantna (20°C). Poskus je obsegal tri ponovitve in je trajal tri mesece. Po 1., 2. in 3. meseca sem določal kislinsko stopnjo, peroksidno in anisidinsko število. Na začetku in na koncu poskusa so bile poleg tega izmerjene še ekstinkcije in vsebnost ▫$\alpha$▫-tokoferola ter opravljene senzorične analize. Najmanjše spremembe opazovanih lastnosti so bile v olju, skladiščenem v steklenicah v temi. Pri olju, izpostavljenem sončni svetlobi, je v primerjavi z ostalimi olji prišlo do zmanjšanja peroksidnega in anisidinskega števila ter do znižanja ekstinkcije, senzorične analize pa so pokazale močno poslabšanje teh olj. Peroksidno in anisidinsko število v drugih oljih je naraščalo. PET plastenke so se pod neonsko in sončno svetlobo deformirale, nekatere PVC plastenke pa so se deformirale na sončni svetlobi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [G. Cerar], 1995Language - slovenianCOBISS.SI-ID - 142968
Author
Cerar, Gregor, 1969-
Other authors
Cegnar, France, 1925-2011 |
Žlender, Božidar
Topics
olje |
sončnično olje |
fizikalno-kemične lastnosti |
senzorične lastnosti |
pakiranje |
embalažni materiali |
steklo |
PVC |
PET - polietilen tereftalat |
skladiščenje |
skladiščenje
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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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DRS, in which the journal is indexed
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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Cerar, Gregor, 1969- | ![]() |
Cegnar, France, 1925-2011 | 01876 |
Žlender, Božidar | 03100 |
Source: Personal bibliographies
and: SICRIS
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