Original title:
Profil těkavých látek netradičního druhu ovoce (Asimina triloba)
Translated title:
Volatile profile of unusual type of fruit (Asimina triloba)
Authors:
Pallová, Jana ; Šimíčková, Adéla (referee) ; Vítová, Eva (advisor) Document type: Bachelor's theses
Year:
2019
Language:
slo Publisher:
Vysoké učení technické v Brně. Fakulta chemická Abstract:
[slo][eng]
Cieľom bakalárskej práce je stanovenie aromaticky aktívnych látok v netradičnom duhu ovocia – v muďoule trojlaločnom (Asimina triloba), Teoretická časť pozostáva zo všeobecného popisu rastliny a charakterizácií jej vlastnosti, zloženia a využitia. Ďalej je spracovaná problematika aromaticky aktívnych látok ako aj metóda ich stanovenia pomocou mikroextrakcie tuhou fázou v spojení s plynovou chromatografiou a hmotnostnou spektrometriou. Experimentálna časť sa zaoberá identifikáciou a kvantifikáciou aromaticky aktívnych látok pomocou vybranej metódy HS-SPME-GC-MS v troch odrodách – PA-Golden, Rebecca´s Gold a NC-1. Medzi odrodami boli zistené rozdiely v počte i obsahu prchavých látok. Najmenšie hodnoty dosahovala odroda PA-Golden. Celkovo bolo identifikovaných 105 zlúčenín, z toho 7 aldehydov, 15 alkoholov, 58 esterov, 6 ketónov, 4 laktóny, 1 dusíkatá zlúčenina, 1 alkán, 4 kyseliny, 2 fenoly, 1 alkénov, 4 terpenoidy a 2 ostatné zlúčeniny.
The purpose of this bachelor thesis is to determine aroma active substances in an unusual fruit - pawpaw (Asimina triloba). The theoretical part consists of a general description of the plant and characterization of its characteristics, composition and use. Furthermore, the issue of aroma active substances are processed as well as the method of their determination by solid-phase microextraction in connection with gas chromatography and mass spectrometry. The experimental part deals with the identification and quantification of aroma active substances using the selected method HS-SPME-GC-MS in three varieties - PA-Golden, Rebecca's Gold and NC-1. Differences in the number and content of volatile substances were found among the varieties. The lowest values were PA-Golden. In total, 105 compounds have been identified, including 7 aldehydes, 15 alcohols, 58 esters, 6 ketones, 4 lactones, 1 nitrogen compound, 1 alkane, 4 acids, 2 phenols, 1 alkenes, 4 terpenoids, and 2 other compounds.
Keywords:
Asimina triloba; GC-MS; SPME; volatile compounds
Institution: Brno University of Technology
(web)
Document availability information: Fulltext is available in the Brno University of Technology Digital Library. Original record: http://hdl.handle.net/11012/178434