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Differential dynamics of flavonoid biosynthesis and accumulation in six medicinal herbs under full sunlight exposure
dc.creator | Živanović, Bojana | |
dc.creator | Sedlarević Zorić, Ana | |
dc.creator | Vidović, Marija | |
dc.creator | Morina, Filis | |
dc.creator | Veljović-Jovanović, Sonja | |
dc.date.accessioned | 2023-03-28T06:04:17Z | |
dc.date.available | 2023-03-28T06:04:17Z | |
dc.date.issued | 2016 | |
dc.identifier.isbn | 978-963-429-048-3 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/1874 | |
dc.description.abstract | The dynamics of epidermal flavonoid (epFlav) induction was monitored during 11 days in the leaves of three Ocimum basilicum varieties: Americanum, Genovese and Purpurescens, Salvia officinalis, Eruca sativa and Verbascum thapsus previously grown in a glasshouse (receiving 16% of sunlight irradiance without UV). At full sunlight plants received mean daily doses of 6.97 MJ m-2, 0.86 MJ m-2 and 22.46 kJ m-2 in the photosynthetically active radiation, UV-A and UV-B wavelengths, respectively. Although constitutive concentration of epFlav was similar, dynamics of their induction was species-specific. Significant increase in epFlav accumulation was observed 30h after exposure to sunlight in all species except O. basilicum var. Purpurescens, in which the increase was delayed. This delay was correlated with induction of constitutive epidermal anthocyanins. Total leaf flavonoids were unchanged, in contrast to epidermal, emphasizing their UV-B absorbing function. Total antioxidative capacity increased at least 2-fold under sunlight, which was in accordance with total phenolic increase. Leaf dry biomass was 50-100% higher in sunlight-exposed compared to glasshouse grown plants, while fresh biomass was unchanged, indicative of leaf thickening. We showed that flavonoids accumulation was dependent on light conditions and constitutive pool of UV-B absorbing compounds. | sr |
dc.language.iso | en | sr |
dc.publisher | Department of Plant Biology, University of Pécs | sr |
dc.rights | openAccess | sr |
dc.source | 1st Network Meeting of UV4Plants, International Association for Plant UV Research abstract book, 30 – 31 May, 2016, Pécs, Hungary | sr |
dc.subject | epidermal flavonoid | sr |
dc.subject | medicinal herbs | sr |
dc.subject | different light conditions | sr |
dc.title | Differential dynamics of flavonoid biosynthesis and accumulation in six medicinal herbs under full sunlight exposure | sr |
dc.type | conferenceObject | sr |
dc.rights.license | ARR | sr |
dc.citation.spage | 65 | |
dc.identifier.fulltext | http://rimsi.imsi.bg.ac.rs/bitstream/id/4842/bitstream_4842.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_rimsi_1874 | |
dc.type.version | publishedVersion | sr |