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undergraduate thesis
Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina
završni rad
2016. urn:nbn:hr:167:751702
Tomaš, Josip
University of Split
Faculty of Chemistry and Technology
Division of Chemistry

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Tomaš, J. (2016). Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad (Undergraduate thesis). Split: University of Split, Faculty of Chemistry and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:167:751702

Tomaš, Josip. "Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad." Undergraduate thesis, University of Split, Faculty of Chemistry and Technology, 2016. https://urn.nsk.hr/urn:nbn:hr:167:751702

Tomaš, Josip. "Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad." Undergraduate thesis, University of Split, Faculty of Chemistry and Technology, 2016. https://urn.nsk.hr/urn:nbn:hr:167:751702

Tomaš, J. (2016). 'Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad', Undergraduate thesis, University of Split, Faculty of Chemistry and Technology, accessed 11 December 2024, https://urn.nsk.hr/urn:nbn:hr:167:751702

Tomaš J. Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad [Undergraduate thesis]. Split: University of Split, Faculty of Chemistry and Technology; 2016 [cited 2024 December 11] Available at: https://urn.nsk.hr/urn:nbn:hr:167:751702

J. Tomaš, "Grejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad", Undergraduate thesis, University of Split, Faculty of Chemistry and Technology, Split, 2016. Available at: https://urn.nsk.hr/urn:nbn:hr:167:751702

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Metadata
TitleGrejpfrut (Citrus paradisi): Izolacija i karakterizacija limonena i naringina : završni rad
Title (english)Grapefruit (Citrus paradisi): Isolation and Characterisation of limonene and naringin : bachelor thesis
AuthorJosip Tomaš
MentorIvica Blažević (mentor)
Committee memberIvana Generalić Mekinić (predsjednik povjerenstva)
Committee memberFranko Burčul (član povjerenstva)
Committee memberIvica Blažević (član povjerenstva)
GranterUniversity of Split
Faculty of Chemistry and Technology
(Division of Chemistry)
Split
Defense date and country2016-09-28, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Chemistry
Abstract
Grejpfrut (Citrus paradisi) pripada porodici Rutaceae. Ovo istraživanje je usmjereno na identifikaciju hlapljivih i nehlapljivih fitokemikalija izoliranih iz suhe kore grejpa. Hlapljive tvari, izolirane ekstrakcijom s heksanom u Soxhlet aparaturi, analizirane su pomoću GC-MS-a. Hlapljivi ekstrakt sadržavao je više od 80% monoterpena limonena. Također su pronaĊeni i ostali, manje zastupljeni monoterpeni α- i β-pinen i sabinen, te slabo hlapljiva heksadekanska kiselina i etil-linoleat. Hlapljivi ekstrakt u kojem je limonen glavni spoj analiziran je pomoću FTIR-a. Ekstrakcija nehlapljivih tvari metanolom provedena je nakon ekstrakcije hlapljivih tvari heksanom također u Soxhlet aparaturi. Nehlapljiv spoj dobiven kristalizacijom prepoznat je kao naringin 7-O-glikozid flavanona naringenina. Shinoda testom je potvrđena prisutnost flavonoida, dok je sam naringin identificiran TLC kromatografijom korištenjem standarda za usporedbu. Flavonoidi su također analizirani i korištenjem UV/Vis spektroskopije
Abstract (english)
Grapefruit (Citrus sinensis) belongs to Rutaceae family. The following study aimed to identify volatile and non-volatile phytochemicals isolated from dried grapefruit peel. Volatiles isolated by hexane extraction in Soxhlet type apparatus were analysed by GC-MS. The volatile extract contained more than 80% of monoterpene limonene. Other minor compounds were also identified such as: monoterpenes (α- and β-pinene, and sabinene) as well as semivolatile compounds hexadecanoic acid and ethyl-linoleate. The volatile extract having limonene as a major compound was analysed by FT-IR. The MetOH extraction of non-volatile phytoconstituents was performed after hexane extraction in Soxlet apparatus. The non-volatile compound obtained by crystallization was identified as naringin, the 7-O-glycoside of flavanone naringenine. Shoinoda test confirmed presence of flavonoids, while naringin was confirmed by TLC chromatography using pure standard for comparison. In addition flavonoids were analyzed using spectroscopic methods (UV/Vis).
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:167:751702
Study programmeTitle: Chemistry
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) kemije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) kemije)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteKljučne riječi doradio knjižničar/ Key words are revised by the librarian
Created on2018-02-21 10:44:13