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    Comparison of honey, pollen and propolis amounts and honey quality obtained from bee pasture and highland
    (Bursa Uludag University, 2023) Çaçan, E.; Kutlu, M.A.; Uçar, R.; Özdemir, S.; Kökten, K.; Mokhtarzadeh, S.; Ekmekçi, M.
    This study was carried out to determine the honey, pollen and propolis amounts and honey qualities obtained from the bee pasture established in Bingöl University between the years 2021-2022 and highland and to compare the bee pasture and the highland in terms of these characteristics. 10 beehives were used in the study. Five beehives were left in the bee pasture, and 5 of them were taken to the highland for comparison. The quantities of honey, pollen, and propolis per hive and the moisture, diastase, HMF, commercial glucose, C13 sugar, C4 sugar, and the difference between raw protein in honey and delta C13 sugar of honeys were determined for both locations. These quality parameters obtained were evaluated according to the Turkish Food Codex Honey Communiqué. As a result of the research, it was determined that there was no statistical difference between the amounts of pollen and propolis obtained from the bee pasture and the highland, and the amount of honey obtained from the highland was higher than the bee pasture. In addition, it has been determined that the honey obtained from both bee pasture and highland is at the "appropriate" level in terms of the limit values determined by the Turkish Food Codex Honey Communiqué in terms of quality criteria. In the light of these data, it has been understood that although the honey yield from bee pasture is low, it is sustainable and can be an alternative to migratory or highland beekeeping. Copyright © 2023 the Author(s). Published by PNAS.
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    Fatty acid composition of stems, leaves, flowers, and seeds of some medicinal plants
    (INNOVHUB - Stazioni Sperimentali per l'Industria S.r.l - Area Oli e Grassi, 2023) Kokten, K.; Mokhtarzadeh, S.; Cacan, E.; Kutlu, M.A.; Ozdemir, S.; Ucar, R.; Ekmekci, M.
    Medicinal plant species are economically important and have many uses. In this research, the stem, leaves, flowers, and seeds of some medicinal plant species such as Lavandula intermedia, Satureja hortensis and Ocimum basilicum were analysed. The fatty acid compositions of these three different species were determined by gas chromatography of methyl esters of fatty acids. The stem, leaf, flower, and seed oils of L. intermedia contain 44.72%, 45.11%, 29.89% and 8.55% palmitic acid and 16.18%, 23.21%, 34.76% and 39.76% linolenic acid, respectively, as the main component fatty acids, while the stem, leaf, flower and seed oils of S. hortensis contain 23.11%, 11.76%, 13.32% and 6.26% palmitic acid and 31.70%, 51.74%, 47.97% and 43.79% linolenic acid, respectively, as main component fatty acids. On the other hand, stem, leaf, flower, and seed oils of O. basilicum contain 44.72%, 45.11%, 29.89% and 8.55% palmitic acid and linolenic acid 16.18%, 23.21%, 34.76% and 39.76%, respectively, as main component fatty acids. © 2023, INNOVHUB - Stazioni Sperimentali per l'Industria S.r.l - Area Oli e Grassi. All rights reserved.
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    Phytochemical profiling of volatile components of Echinacea purpurea (L.) Moench multiplied by micropropagation technique
    (Plapiqui(Uns-Conicet), 2024) Mokhtarzadeh, S.
    Echinacea purpurea (L.) Moench is a substantial herbaceous perennial species of ornamental and medicinal flowering plant that grows to 120 cm in maturity from the Asteraceae family. The development of in vitro protocols for this plant can have a significant impact on the global deployment of this beneficial germplasm. It will also facilitate the rapid multiplication, biotransformation, and genetic transformation of improved phytochemical production, particularly secondary metabolites. All stages of E. purpurea micropropagation in vitro and acclimatization to in vivo conditions were investigated in this study. Furthermore, the obtained volatile components of the plants were determined in this study. The research findings revealed that the best seed sterilization was observed with 15 % commercial bleach for 5 minutes. Murashige and Skoog (MS) plant tissue culture medium including 1.25 mg L-1 6-benzyl amino purine was suitable for regeneration and MS medium containing 1.00 mg L-1 indole-3-butyric acid was appropriate for rooting. Furthermore, the findings show that peat is an appropriate substance for acclimation of rooted plantlets. Germacrene D, caryophyllene, Borneol, Caryophyllene oxide, and Myrtenal were identified as the main volatile components of E. purpurea by GC/MS and GC/FID analysis.