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Vpliv medvrstne hibridizacije na kemijsko sestavo bezgov : doktorska disertacija = Elderberry interspecific hybridisation and its impact on plant chemical composition : ph. d. thesisImenšek, Nataša, 1991-V doktorski disertaciji je predstavljen vpliv procesa zorenja, genotipa in rastlinskega dela na kemijsko sestavo bezga. Kemijska sestava (vlaga, vsebnosti glukoze in fruktoze, skupnih antocianinov, ... skupnih fenolov, šikimske kisline, oksalatov, razmerje med skupnimi sladkorji in organskimi kislinami ter antioksidativni potencial) bezgovih jagod je odvisna od stopnje zrelosti. Popolnoma zreli bezgovi plodovi so v primerjavi z ostalimi zrelostnimi stopnjami dosegli najboljšo kakovost, vendar je bila vsebnost večine analiziranih spojin podobna tudi v skoraj zrelih plodovih, zato lahko priporočamo tudi zgodnejše pobiranje plodov. Z izboljšano kemijsko sestavo so se izkazali plodovi nekaterih genetskih kombinacij s črnim bezgom (S. nigra), njegovo kultivirano varieteto (S. nigra 'Black Beauty'), in varieteto rdečega bezga (S. racemosa var. miquelii). Kot superiorni so izstopali genotipi JA × NI, JA × (JA × NI), NI, ((JA × NI) × MIQ) × (CER × NI), (JA × NI) × BB, (JA × NI) × MIQ in JA × (JA × MIQ). Peclji plodov, korenine, listi in skorja so se izkazali kot boljši vir večine preučevanih mineralov v primerjavi s socvetji, slednja so se izkazala z višjimi vsebnostmi mineralov kot jagode. Kljub temu vsebnost mineralov v jagodah ni zanemarljiva in je primerljiva z drugim bolj pogosto uporabljenim jagodičevjem. Medvrstne hibride z visoko vsebnostjo jabolčne, šikimske in fumarne kisline, celokupne askorbinske kisline, skupnih in posameznih flavonolov ter fenolnih kislin, nekaterih mineralov, skupnih, netopnih in vodotopnih oksalatov ter visokim AOP v popolnoma zrelih plodovih lahko predvidimo vnaprej, na osnovi analiz njihovih nezrelih plodov. Podobno lahko genotipe z visoko/nizko vsebnostjo mineralov v socvetjih in jagodah napovemo na začetku vegetacijske dobe na podlagi znane mineralne sestave njihovih poganjkov in listov.Type of material - dissertation ; adult, seriousPublication and manufacture - Maribor : [N. Imenšek], 2022Language - slovenian, englishCOBISS.SI-ID - 99000579
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Digital Library of the University of Maribor – DLUM
Digitalna knjižnica Slovenije - dLib.siDostop z namenskih računalnikov v prostorih NUK
Author
Imenšek, Nataša, 1991-
Other authors
Kristl, Janja |
Ivančič, Anton, genetika |
Stajnko, Denis
Topics
bezeg |
medvrstni križanci |
zorenje |
kemijska sestava |
elderberry |
interspecific hybrids |
maturation process |
chemical composition
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Imenšek, Nataša, 1991- | 39129 |
Kristl, Janja | 17004 |
Ivančič, Anton, genetika | 16240 |
Stajnko, Denis | 11043 |
Source: Personal bibliographies
and: SICRIS
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