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    A comparative melissopalynological study of royal jelly from Turkey
    (Taylor & Francis As, 2022) Yil, Gulsah; Karlidag, Semiramis; Akyol, Abuzer; Koseman, Abdurrahman; Yilmaztekin, Murat; Erdogan, Selim; Seker, Ibrahim
    Three treatments (Glucose, Sucrose, Bee Feed Syrup) were used to examine the influence of supplementary feeding on the pollen spectrum of the royal jelly produced by Apis mellifera L. colonies. Apis mellifera colonies were located in the Battalgazi and Dogansehir districts of Malatya province in Turkey. In total 255 royal jelly samples were investigated and the analysis recorded over 30 taxa. In both sites the control group heavily utilised Quercus, Verbascum, Astragalus, and Lamiaceae. The feeding treatments saw Quercus, Verbascum, and Astragalus still being used but in different proportions. The utilisation of Lamiaceae was much reduced and Echium became an important component in colonies that had supplementary feeding.
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    POLLEN AND FUNGAL SPORE COMPOSITION VARIATIONS OF HONEYS ACCORDING TO DIFFERENT FEEDING METHODS
    (Pakistan Botanical Soc, 2023) Yil, Gulsah; Karlidag, Semiramis; Akyol, Abuzer; Koseman, Abdurrahman; Uyumlu, Ayse Burcin; Yilmaztekin, Murat; Erdogan, Selim
    Honey samples were collected from two districts of Malatya (Eastern Turkey) Battalgazi and Dogansehir for melissopalynological analysis after the honey season in 2018. The survey was conducted to 3 different feeding groups, Glucose, Sucrose, Bee Feed and a Control group in each study area. The samples were prepared according to Louveaux et al., (1978) procedure. Melissopalynological examinations were done to determine both pollen grains and fungal spores for each feeding group and districts. According to the microscopic analyses the dominant pollen types were determined as Astragalus, Cistus, Poaceae, Verbascum, Echium, Berberis, Artemisia, Plantago, Vicia, Onobrychis, Cichorioideae, Astragalus pollen grains were most frequent in glucose and control groups, Cistus pollen grains were widely represented in sucrose and bee feed groups in both study area. Dominant fungal spore types were determined as Aspergillus / Penicillium, Urediniospores, Cladosporium and Myrotechium. Aspergillus / Penicillium spores were dominated almost all samples by varying degrees. Analysis of pollen grains and fungal spores is useful instrument for determining the botanical, geographical and ecological sources of honey. This paper could be guide to beekeepers for selecting convenient apiary domains and appropriate feeding methods for qualitative honeys and the study is also help agriculturists for increasing the crop yield, the bees could be diverting to less-preferred plants during forages by sugar manipulation in order to cultivation improving.
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    Volatile organic compounds of royal jellies obtained from honeybee (Apis mellifera L.) colonies fed with different industrial sugars at different locations
    (Springer, 2025) Seker, Ibrahim; Karlidag, Semiramis; Akyol, Abuzer; Yil, Gulsah; Koseman, Abdurrahman; Uyumlu, Ayse Burcin; Erdogan, Selim
    The aim of this study was to reveal differences in the volatile organic compounds (VOCs) of royal jellies (RJs) produced by honey bee (Apis mellifera L.) colonies fed with 3 different industrial sugars at 2 different locations. VOCs in the RJ samples were extracted via headspace-solid phase micro-extraction and analysed by gas chromatography-mass spectrometry. In total, 46 compounds, including 3 esters, 14 alcohols, 5 acids, 1 aldehyde, 14 ketones, 3 lactones, 2 terpenes and 4 other compounds, were identified in the RJ samples obtained from honeybee (Apis mellifera L.) colonies reared in Do & gbreve;an & scedil;ehir. A total of 45 compounds, including 3 esters, 14 alcohols, 5 acids, 1 aldehyde, 14 ketones, 4 lactones, 2 terpenes and 2 other compounds, were detected in the RJ samples obtained from honeybee (Apis mellifera L.) colonies reared in the Uluk & ouml;y location. It has been determined that different locations and different feeding conditions significantly affect the composition and amounts of volatile organic compounds in royal jelly.