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2022, vol. 39, br. 1, str. 57-65
Uticaj odabranih ugušćivača na teksturne karakteristike emulzija ulje u vodi
Univerzitet u Nišu, Medicinski fakultet, Katedra Farmacija

e-adresastolicaleksandra@yahoo.com
Ključne reči: teksturna profilska analiza; ugušćivač; ksantan guma; hidroksietilceluloza; hidroksipropilmetilceluloza
Sažetak
Uvod. Najpopularnija metoda teksturne analize je analiza profila teksture. Primenom ove metode, mehaničke karakteristike uzoraka dovode se u vezu sa njihovim senzornim karakteristikama. Ugušćivači imaju važan uticaj na mehaničke osobine polučvrstih proizvoda, pa samim tim i na fizičku stabilnost kremova. Izbor pravog ugušćivača često zahteva više umeća nego znanja. Cilj. Cilj ovog istraživanja bila je procena uticaja često korišćenih prirodnih (ksantan guma), kao i prirodno modifikovanih polimera (hidroksietilceluloza, hidroksipropilmetilceluloza), u koncentraciji od 1% m/m, na teksturne osobine emulzija tipa ulje u vodi. Rezultati. Na osnovu dobijenih rezultata određeni su odgovarajući parametri testiranih emulzija: adhezivnost, kohezivnost i čvrstina. Svi testirani kremovi dostigli su veće vrednosti adhezivnosti na kraju studije, u poređenju sa prvobitno izmerenim vrednostima. Međutim, adhezivnost ispitivanih uzoraka nije se mnogo razlikovala u odnosu na adhezivnost kontrolniog uzorka, što znači da prisustvo ugušćivača ne povećava lepljivost formulacija. Izmerene vrednosti kohezivnosti za sve uzorke u poređenju sa početnim vrednostima bile su gotovo slične. Vrednosti čvrstine kremova pokazale su to da deformacija nakon dva ciklusa kompresije nije narušila strukturu kremova, kao i da su sve formulacije slične razmazivosti. Zaključak. Rezultati dobijeni teksturnom analizom mogu biti iskorišćeni pri formulisanju kozmetičkog proizvoda unapred definisanih senzornih karakteristika. Takođe, mogu biti od pomoći u pronalaženju adekvatne kombinacije ugušćivača, kao i u određivanju odgovarajućih koncentracija za njihovu primenu u formulaciji. S obzirom na to, dalja istraživanja trebalo bi usmeriti na primenu više različitih ugušćivača i različitih opsega njihovih koncentracija u formulaciji.
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O članku

jezik rada: engleski
vrsta rada: originalan članak
DOI: 10.5937/afmnai39-31064
primljen: 25.02.2021.
revidiran: 17.09.2021.
prihvaćen: 11.01.2022.
objavljen u SCIndeksu: 12.05.2022.
metod recenzije: dvostruko anoniman
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