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Title:Analiza vsebnosti skupnih fenolov v skorji različnih genotipov murv (Morus sp.) : diplomsko delo
Authors:ID Vuk, Evelyn (Author)
ID Urbanek Krajnc, Andreja (Mentor) More about this mentor... New window
ID Jelen, Špela (Comentor)
Files:.pdf VS_Vuk_Evelyn_2025.pdf (4,21 MB)
MD5: 513E0942AACA28431E978DBF9A2D60A3
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:V okviru diplomskega dela je bila analizirana vsebnost skupnih fenolov v skorji enoletnih poganjkov različnih genotipov murv (Morus sp.), z namenom ugotavljanja razlik glede na genotip in vrsto murv, vključenih v raziskavo. Dodatno je bila izvedena primerjava vsebnosti skupnih fenolov med skorjo in listi murv. V raziskavo so bile vključene referenčne svilogojske sorte, lokalna slovenska genotipa bele murve (Morus alba) ter križanec med belo in rdečo murvo (M. alba × M. rubra). Enoletni poganjki murv so bili vzorčeni v dveh terminih, skorja je bila po lupljenju liofilizirana in zmleta v fini prah. Skupni fenoli v skorji so bili analizirani po metodi Folin-Ciocalteu. Rezultati analize so pokazali statistično značilne razlike v vsebnosti skupnih fenolov med genotipi murv. Najvišja vsebnost skupnih fenolov v skorji je bila ugotovljena pri križancu bele in rdeče murve (5,14 ± 0,004 mg GAE/g SS), najnižja pa pri referenčni svilogojski sorti 'Kokusou' (4,60 ± 0,08 mg GAE/g SS). Prav tako je bilo ugotovljeno, da se vsebnost skupnih fenolov v skorji murv statistično značilno razlikuje med vrstama (p = 0,032). Primerjava skupnih fenolov med skorjo in listi je potrdila hipotezo, da je vsebnost skupnih fenolov v skorji nižja kot v listih. Rezultati so pokazali, da na vsebnost fenolnih spojin vplivajo tako genetski dejavniki kot tudi morfološko tkivo, kar poudarja pomen posameznih delov murv, ustreznega vzorčenja in izbire analitske metode pri nadaljnjih raziskavah bioaktivnih spojin v murvah.
Keywords:Morus sp., murva, kemotipske razlike, skorja, skupni fenoli
Place of publishing:Maribor
Place of performance:Maribor
Publisher:E. Vuk
Year of publishing:2025
Number of pages:1 spletni vir (1 datoteka PDF (X, 46, [2] str.))
PID:20.500.12556/DKUM-94612 New window
UDC:634.38:575.22:547.56(043.2)=163.6
COBISS.SI-ID:247545603 New window
Publication date in DKUM:03.09.2025
Views:193
Downloads:35
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:22.08.2025

Secondary language

Language:English
Title:Analysis of Total Phenolic Contents in the Bark of Different Mulberry Genotypes (Morus sp.)
Abstract:The content of total phenols in the bark of one-year old shoots of various mulberry (Morus spp.) genotypes was analysed within the scope of this thesis, with the aim of identifying differences based on genotype and species included in the analyses. Additionally, a comparison of total phenol content between bark and leaves was conducted. The study included reference sericultural cultivars, two local Slovenian white mulberry genotypes (Morus alba), and a hybrid between a white and a red mulberry (M. alba × M. rubra). One-year-old shoots were sampled at two different time points, and the bark was peeled, lyophilised, and ground into a fine powder. The total phenols were analysed using the Folin-Ciocalteu method. The results showed statistically significant differences in total phenol content among the genotypes. The highest content was observed in the hybrid of white and red mulberry (5.14 ± 0.004 mg GAE/g DW), and the lowest in the reference cultivar 'Kokusou' (4.60 ± 0.08 mg GAE/g DW). A statistically significant difference was also found between the two analysed species (p = 0.032). The comparison between bark and leaves confirmed the hypothesis, that the concentration of total phenols is lower in the bark than in the leaves. The findings indicate that both genetic factors and plant tissue type influence phenolic compound levels, highlighting the importance of appropriate sampling and analytical methods in future studies of bioactive compounds in mulberries.
Keywords:Morus sp., mulberry, chemotypic differences, stem bark, total phenols


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