20.500.12556/RUL-109393
Antioksidativni potencial konopljinih semen
Antioxidant potential of hemp seeds
Konopljina semena, katerih priljubljenost vse bolj narašča, so izvrsten vir hranilnih snovi, esencialnih aminokislin in maščobnih kislin. Vsebujejo tudi nekatere bioaktivne molekule, ki delujejo kot antioksidanti in imajo pozitiven vpliv na zdravje človeka. Cilj diplomske naloge je bil določiti vsebnost fenolnih spojin v različnih sortah konopljinih semen. Prav tako smo določali antioksidativni potencial (AOP) konopljinih semen tako v homogenem (etanol), kot tudi heterogenem (emulzija linolne kisline v vodi) okolju. Semena smo zmleli in razmastili ter ekstrahirali fenolne spojine s 70 % etanolom. Določali smo skupne fenolne spojine s Folin Ciocalteujevo metodo, sposobnost lovljenja prostih radikalov DPPH• in izvedli metodo beljenja ?-karotena v emulziji. Ugotovili smo, da se učinkovitost posameznih antioksidantov razlikuje v različnih sistemih. Prav tako smo prišli do zaključka, da sorte z največ fenolnih spojin nimajo največjega AOP.
Hemp seeds are an excellent source of nutrients, such as essential amino acids and fatty acids, and their popularity is growing every day. They also contain bioactive molecules that function as antioxidants and therefore have a positive impact on human health. The aim of graduation thesis was to determine content of total phenolic compounds in different sorts of hemp seeds. We have also examined antioxidant potential (AOP) in different systems: homogeneous (ethanol) and heterogeneous (emulsion of linoleic acid in water) system. Before the extraction of phenolic compounds in 70 % ethanol, hemp seeds were grinded and defatted. We determined total phenolic content with Folin Ciocalteu method, analysed the scavenging activity of free DPPH• radicals and carried out ?-carotene bleaching assay in emulsion. We came to the conclusion that activity of particular antioxidant in homogeneous and heterogeneous system differentiates. Furthermore, hemp seeds with the highest content of phenolic compounds do not have the highest AOP.
industrijska konoplja
Cannabis sativa L.
konopljina semena
antioksidanti
fenolne spojine
antioksidativni potencial
industrial hemp
Cannabis sativa L.
hempseed
antioxidants
phenolic compounds
antioxidant potential
true
false
false
[U. Šetina]
Slovenski jezik
Angleški jezik
Diplomsko delo/naloga
2019-09-01 07:45:03
2019-09-01 07:45:08
2022-08-21 03:41:48
0000-00-00 00:00:00
2019
0
0
0000-00-00
NiDoloceno
NiDoloceno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
633.522:66.094.3.097.8:547.56
166914
5087352
7556.pdf
7556.pdf
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https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=120932
Biotehniška fakulteta
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