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Razvoj in vrednotenje stabilnosti šampona za lase s sirotko = Development and stability evaluation of hair shampoo with whey : diplomska nalogaŽupanc, ŽanaV sklopu diplomske naloge smo v prvem delu določali najbolj optimalno formulacijo šampona za lase s sirotko. Kot primarni površinsko aktivni snovi (PAS) smo uporabili natrijev lavrilsulfat (SLS) in ... za kožo manj dražeči natrijev lavretsulfat (SLES). V prvem koraku smo določali njuno najbolj optimalno koncentracijo. V drugem koraku smo dodajali zgoščevalo (natrijev klorid), nato ugotavljali najbolj optimalno razmerje med sekundarnima PAS, (kokamidopropilbetainom in kokamiddietanolaminom (kokamid DEA)). Naš cilj je bil dodati čim manj kokamid DEA zaradi omejevanja njene uporabe. Na koncu smo šamponom dodajali tekočo sirotko, katere smo želeli dodati čim več, saj ima ugodne učinke tako na kožo, kot tudi na samo formulacijo. Najbolj optimalne šampone s sirotko in brez nje (kontrolni vzorec) smo nato vrednotili s stabilnostnimi testi, in sicer smo jim določali viskoznost (rotacija, amplituda, frekvenca), pH ter organoleptične lastnosti. Šampone smo shranjevali pri sobni temperaturi in v komori s 40C v času 6 tednov. Vrednotili smo jih ob času 0, po 1 tednu, 2 tednih, 4 tednih in 6 tednih. Ugotovili smo, da so šamponi stabilni, kljub temu da vanje nismo dodali konzervansov. Viskoznost se skozi čas ni spremenila, prav tako organoleptične lastnosti. Pri pH je prišlo v času študije do minimalnega povečanja (0,5 enote), kar označujemo kot nebistveno spremembo in zaključimo, da so šamponi tudi s kemijskega vidika stabilni. Šamponi s sirotko so imeli značilen vonj po sirotki in rahlo rumenkasto obarvanje, kar bi lahko prekrili z dišavami in barvili.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Š. Čater Demšar], 2023Language - slovenianCOBISS.SI-ID - 152506883
Author
Županc, Žana
Other authors
Gašperlin, Mirjana |
Bjelošević Žiberna, Maja
Topics
Kozmetični izdelki |
Lasje |
šamponi |
površinsko aktivna snov |
proteini |
sirotka
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Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Pharmacy, Ljubljana | Ljubljana | FFALJ |
reading room 1 cop.
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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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Županc, Žana | ![]() |
Gašperlin, Mirjana | 11789 |
Bjelošević Žiberna, Maja | 38497 |
Source: Personal bibliographies
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