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    Wyświetlanie 1-3 z 3
    Tytuł:
    Chemical composition of essential oil and antioxidant activity of Postia puberula, an endemic species from Iran
    Autorzy:
    Hemmati Hassan Gavyar, P.
    Amiri, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/12614017.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Iran
    endemic species
    Postia puberula
    chemical composition
    essential oil
    antioxidant activity
    Opis:
    Essential oils from the leaves, stems and flowers of Postia puberula at the flowering stage were analyzed using GC and GC/MS. The results showed that leaves are abundant of cis-3-hexenyl benzoate (10.75%), benzyl benzoate (8.16%) and caryophyllene oxide (8.12%). The main compounds of stems were benzyl benzoate (21.92%), E-nuciferol (11.58%) and dibutyl phthalate (7.08%), while major components of flowers were benzyl benzoate (9.99%), caryophyllene oxide (8.14%) and E-nuciferol (8.13%). The antioxidant activities of methanol extract were evaluated by DPPH and β-carotene/linoleic acid assays. The results showed that in both methods, leaves had stronger antioxidant activity than other organs.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 1; 119-128
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phytochemical and bioactivity diversity in the extracts from bulbs and leaves of different populations of Allium jesdianum, a valuable underutilized vegetable
    Autorzy:
    Ghasemi Pirbalouti, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/12300024.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Iran
    wild plant
    vegetable
    Yazdi onion
    Allium jesdianum
    endemic species
    bulb
    leaf
    plant population
    phytochemical diversity
    antioxidant activity
    antimicrobial activity
    antioxidant agent
    antimicrobial agent
    useful plant
    Opis:
    Allium jesdianum Boiss. & Buhse (Yazdi onion) belonging the family Alliaceae, is an endemic species of Iran that grows wild in the Zagros Mountains range, southwestern Iran. The indigenous people of Iran use the leaves and bulbs of A. jesdianum for the treatment of colds and kidney problems. The bulbs and leaves of various populations of the plant were collected from the alpine regions in Chaharmahal va Bakhtiari province, southwestern Iran. The total phenolic content of ethanol extract was determined by FolinCiocalteu method, the antioxidant activity was evaluated measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH), and the antibacterial activity of the extracts against four bacteria was determined by serial dilution assay. Results indicated that the total phenolic content in ethanol extracts from leaves and bulbs of A. jesdianum ranged between 27.83 to 98.23 mg GAE/g extract. A comparison of all plant extracts in the DPPH assay indicated that ethanol extracts from the populations of A. jesdianum leaves were the most effective free radical scavenging agents. The extracts indicated moderate-to-good inhibitory activities against four bacteria, especially against B. cereus. This finding suggests that the bulbs and leaves of A. jesdianum may be considered a natural source of antioxidants and antimicrobial agents.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 2; 115-122
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growing the endangered species Astragalus nitidiflorus in the nursery: fertilization rate affects growth, and leaf nutrient and chlorophyll contents
    Autorzy:
    Vicente, M.J.
    Martínez-Sánchez, J.J.
    Franco, J.A.
    Bañón, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/11858781.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Spain
    plant cultivation
    Astragalus nitidiflorus
    endangered species
    endemic plant
    plant growth
    leaf nutrient content
    chlorophyll content
    fertilization rate
    nodulation
    Opis:
    Astragalus nitidiflorus is an endangered legume endemic to the southeast of the Iberian Peninsula. This species develops symbiotic relationships with N-fixing bacteria. However, the problem of isolating its rhizobia has not been solved. Because poor N fixation in plants can be corrected by fertilization, the effect of N-P-K fertilizers on growth, leaf chlorophyll and mineral ions was studied. Plants of A. nitidiflorus were grown in 100%-substrate with different N-P-K fertilizer rates (mg l–1): 1-1-8 (S0), 69-29-35 (SL), 144-43-131 (SM) and 245-58-235 (SH). A treatment with substrate plus soil from the natural habitat and no fertilizers (T0) was included. The reference foliar contents of N, P and K were 42.5, 3.5 and 36.5 mg g–1, respectively. Although the species did not form root nodules when grown in substrate, T0 plants produced active nodules that allowed the plants to grow properly without fertilization. In the absence of nodules, both N fertilization (~144 mg l–1) and Fe fertilization (>12 mg l–1) are vital, as is, to a lesser extent, K fertilization (~75 mg l–1 K2O). The S0 and SL reduced leaf chlorophyll, while SM prevented its degradation.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 4; 129-136
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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