S. Arda Ozturkcan

• Bachelor of Science
• Professor at Gelişim Üniversitesi

The decolorization and degradation of anionic sulphonated azo dye (Reactive orange 16 (RO16)), which is suspected to be carcinogenic, were investigated using ozone. The decolorization process of the reactive dye was carried out by bubbling ozone at the bottom of a bubble column reactor containing the dye solution. The effect of pH, reaction time, d...

Ergojenik destekler, iş üretmeye veya iş yapmaya yardım eden maddeler veya yöntemler olarak açıklanabilirler. Bunlar genellikle, günlük beslenme ile doğal olarak alınan besin ögelerinin sıvı, toz, jel ya da tablet formları şeklindedirler. Bu beslenme ürünleri; spor performansının artırılması, iyileşmenin hızlandırılması, kapasitesinin geliştirilmes...

BACKGROUND: There is a growing interest in diets due to the high contribution to greenhouse gas emissions (GHGE). OBJECTIVE: The study was aimed to estimate the impact on GHGE of replacing the current diet with eight alternative diets, which would be associated with GHGE, to contribute to the discussion of how dietary changes affect the GHGE. METHO...

Today, medicinal plants are very popular due to preventing many diseases and associated complications. Cornus mas L. (CM), is a member of Cornaceae family, is widely used in folk medicine for the treatment of a wide range of diseases such as diabetes, digestive ailments, anemia, liver and renal diseases, among others. The aim of this review is to p...

The β-aminoketone (4-{[(4-ferrocenyl)(2-oxocyclohexyl)methyl]amino}phenyl)acetonitrile (1), as a new organometallic compound (OMC), has been synthesized and its structure has been characterized by GC–MS, FT-IR, 1H and 13C NMR, and UV–Vis spectral data in detail. The solvatochromic effect with increasing solvent polarity was studied. The voltammetri...

Purpose This study aims to assess the effectiveness of different AI models in accurately aggregating information about the protein quality (PQ) content of food items using four artificial intelligence (AI) models -– ChatGPT 3.5, ChatGPT 4, Bard AI and Bing Chat. Design/methodology/approach A total of 22 food items, curated from the Food and Agricu...

Amaç: Bu çalışmanın amacı piyasada satılan bebek ve devam formülleri ile ek gıdaların etiketlerinde belirtilen besin içeriklerini değerlendirmektir. Ayrıca bebek formülleri ile anne sütü, besin değerleri açısından karşılaştırılmıştır. Yöntem: Bu çalışma kesitsel bir çalışma olup, İstanbul’da yer alan marketlerde bulunan bebek ve devam formülleri il...

Cornus mas L. (Cornelian cherry, CM) fruits were dehydrated by solar-drying (SD) and freeze-drying (FD), and in addition to sugar and mineral contents, the free and insoluble-bound phenolics were determined in fresh and dried fruits. After subjecting the sample to simulated in vitro digestion, the change of free and bound phenolics at gastric and i...

Amaç: Bu çalışmanın amacı, Türkiye örneğinde, 2004-2023 yılları arasında popüler diyetlerin Google’da aratılma sayısını araştırmaktır. Gereç ve Yöntem: Bu infodemiyolojik araştırma, Google Trends arama motoru kullanılarak 01.01.2004 ile 01.07.2023 yılları arasında geriye dönük verilerden yararlanılarak gerçekleştirilmiştir. Veriler SPSS 24.0 ve XLS...

Obesity is one of the largest health issues in Europe, and media can significantly impact obesity-related habits. This study aimed to determine the trends of public interest in weight loss, physical activity, diet, nutrition, healthy diet, healthy nutrition, optimum nutrition, healthy food, and a combination of weight loss + diet-related topics in...

Monosodium glutamate (MSG) is a flavor enhancer derived from L-glutamic acid, a naturally occurring amino acid in various food products. Although MSG is generally considered safe by food safety regulatory agencies, it is claimed that MSG administration may lead to neurotoxicity, cardiotoxicity, hepatic and renal disorders, and metabolic disorders....

Purpose This study aims to determine what consumers take into consideration while buying food and to increase awareness. We also demonstrated food additives knowledge, and the association between food additive consumption and illness. Design/methodology/approach An online survey was used to collect data from respondents ( n = 433). Findings Gende...

Üzümsü meyveler ve ürünleri günümüzde “fonksiyonel gıdalar” olarak bilinmekte ve gıda endüstrisinde artan bir ilgi görmektedir. Başta antosiyaninler olmak üzere diğer meyvelere göre daha yüksek antioksidan kapasitesine sahip üzümsü meyvelerin hastalıklara yakalanma riskleri ile hastalık semptomlarını azaltarak, sağlık üzerine koruyucu etkileri oldu...

Due to the expected growth rate in world energy consumption in the near future, it is critical to estimate future energy consumption and associated environmental problems as precisely as possible. This study aims to describe total greenhouse gas emissions (GHGE) linked to different geographical diet profiles in Turkey, to map the environmental impa...

Food labeling is a suggested approach to guiding consumers to make healthy food choices by providing clear information at the point of purchase. The objective of this study was to examine how the multiple traffic light labels (MTL) scheme would look like if implemented in addition to evaluating the suitability of packaged products according to MTL...

Exposure to excess food additives is a potential health risk for humans. This study aimed to assess the dietary exposure to nine priority food additives in Turkey. The study took a conservative approach (based on individual consumption data combined with maximum permitted levels) was used in the study. The dietary exposure was estimated using a foo...

Background & aims Excess sugar intake can cause chronic diseases such as obesity, diabetes, and cardiovascular disease. Thus, limiting the intake of sugar in the diet is an important preventive measure. Food manufacturers have considered non-nutritive sweeteners (NNS) as an alternative to sugars. To date, there has been no systematic monitoring of...

Nutrient profiling (NP) is a growing issue in Turkey. We aimed to assess two different NP models (the Health Star Rating (HSR) and Pan American Health Organization models (PAHO)) based on the content of packaged products sold in Turkey. A cross-sectional study was conducted from April to December 2020. Three supermarkets in Turkey were chosen for t...

Günümüzde dünya nüfusunun artması ile birlikte insanlığın, kaynakların tükenme tehlikesi ile karşı karşıya kalması beklenmektedir. "Sürdürülebilir Beslenme" kavramının amaçlarından biri kaynakların gelecek kuşaklara aktarılabilmesidir. Bunun için yapılabileceklerin başında geleneksel beslenme modellerini ve beslenme alışkanlıklarını; çevreye ve sağ...

Excess sodium (Na) intake is a significant leading cause of the development of non-communicable diseases. However, there is no scientific evidence on Na content (and its variation) in packaged products sold in Turkey. This study aimed to determine Na levels and Na-containing food additives of packaged products that are available in supermarkets acr...

Background & aims The prevention and treatment of non-alcoholic fatty liver disease (NAFLD) has become one of the most urgent problems to be solved. To date, only a lifestyle modification related to diet and physical activity is considered for these patients. Polyphenols are a group of plant natural products that when regularly consumed has been re...

Son yıllarda, yaşlı bireylerde sporu sağlıklı yaşam için yapmanın yanı sıra, müsabaka düzeyinde yapanların sayısı artış göstermeye başlamıştır. Veteran sporcular olarak tanımlanan bu grup; genel olarak >40 yaş olup, yaşamları boyunca düzenli olarak antrenman yapan ve performans seviyelerini olabildiğince uzun süre korumaya çalışan sağlıklı kişilerd...

Mikrobiyota, mikroorganizmaların oluşturduğu topluluk olarak ifade edilmektedir ve bağırsak mikrobiyotası doğum ile birlikte değişmeye ve gelişmeye başlamaktadır. Beslenme, bakteriler için gerekli besinleri sağlayarak, mikro çevrelerini değiştirerek ve kompozisyonları ile fonksiyonlarını modüle ederek mikrobiyota üzerine etkiler gösterebilmektedir....

Antosiyanince zengin kiraz grubu kırmızı meyveler, düşük kalorili olmalarının yanı sıra lif, C vitamini, polifenoller, karotenoidler ve potasyum gibi bazı mineraller dahil olmak üzere yüksek miktarda biyoaktif bileşene sahiptir ve bu nedenle antioksidan kapasiteleri yüksektir. Türkiye toplam meyve üretiminde dünyada dördüncü, kiraz üretiminde birin...

Zika virus was first isolated from Rhesus monkeys in April 1947. First human infection was identified in Nigeria in 1954. It is mainly transmitted from the family of Culicidae and mosquitoes in Aedes genus. Apart from mosquitoes, the virus can also serve as a reservior in non-human primates and rodents. Most common symptoms are fever, headache, fat...

An effective and environment-friendly protocol for the synthesis of indenonaphthopyrans has been developed by one-pot reaction of 2-naphthol, various aromatic aldehydes and 1,3-indandione, in the presence of copper(II) triflate as the catalyst while using reflux (Method A) and ultrasound (Method B). The Method B approach offers the advantages of a...

Abstract The goal of the present research was to determine the protective potential of five newly synthesized indenopyridine derivatives against N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) and 9-aminoacridine (9-AA) induced mutagenesis. MNNG sensitive Escherichia coli WP2uvrA and 9-AA sensitive Salmonella typhimurium TA1537 were chosen as the bacte...

The interactions between anionic polyelectrolytes [polyacrylic acid, poly(methyl vinyl ether-co-maleic anhydrate)] and copper ions in aqueous solution (pH 7.0) were investigated by dynamic light scattering, UV-visible and fourier transform infrared spectroscopic techniques. Viscosity was also measured by ubbelohde automatic viscometer. Observations...

Direct-type catalytic Mannich reaction for the synthesis of β-aminoketones from cyclohexanone, substituted aromatic amines and aromatic or hetero-aromatic aldehydes has been applied in water with bismuth triflate under ultrasound. Good yields of the expected β-aminoketones were obtained from available substrates, at room temperature in 1-2 hours. T...

The interactions between anionic polyelectrolytes [polyacrylic acid, poly(methyl vinyl ether-co-maleic anhydrate)] and copper ions in aqueous solution (pH 7.0) were investigated by dynamic light scattering, UV-visible and fourier transform infrared spectroscopic techniques. Viscosity was also measured by ubbelohde automatic viscometer. Observations...

The current study aims to determine the genotoxic and antigenotoxic potential of four newly synthesized dihydropyridine derivatives using Escherichia coli WP2 and Ames/Salmonella bacterial reversion assay systems. The bacterial mutant tester strains, E. coli WP2uvrA with a point mutation and Salmonella typhimurium TA1537 with a frameshift mutation,...

The aim of this study was to determine the antigenotoxic potential of two newly synthesized β-aminoketones against N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) and 9-aminoacridine (9-AA)-induced mutagenesis. The mutant bacterial tester strains were MNNG-sensitive Escherichia coli WP2 uvrA and 9-AA-sensitive Salmonella typhimurium TA1537. Both test c...

Yb(OTf) 3 and Sc(OTf) 3 catalyzed efficient Hantzsch reaction via four-component coupling reactions of aldehydes, diketone, ethylacetoacetate and ammonium acetate at ambient temperature and medium was described as the preparation of pyridine derivatives. The process presented here is operationally simple, environmentally benign and has excellent yi...

An innovative, powerful, efficient and relatively rapid method was developed to synthesise various beta-aminoketone derivatives from cyclohexanone, substituted aromatic amines and aromatic or hetero-aromatic aldehydes via ultrasound-assisted direct-type catalytic Mannich reaction using bismuth(III) triflate in water. Good yields of the desired beta...

In this study, Betti's classical procedure, a Mannich-type aminoalkylation reaction of 2-naphthol with various aldehydes was applied in the presence of ammonia and then 1,3-disubstituted-2,3-dihydro-1H-naphtoxazines were synthesized. The structures of the obtained new compounds have been clarified by spectroscopic methods and confirmed with element...

The current study aims to determine the antimutagenic potential of five newly synthesized cyclic compounds against the genotoxic agents sodium azide (NaN₃) and N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). The mutant bacterial tester strains were NaN₃-sensitive Salmonella typhimurium TA1535 and MNNG-sensitive Escherichia coli WP2uvrA. According to t...

In this study, Betti's classical procedur[1], a Mannich-type aminoalkylation reaction of 2-naphtol with furan-2-, furan-3-, thiphene-3-, pyridine-4-and naptalene-2-carbaldehydes was applied in the presence of ammonia. 1,3-disubstituted-2,3-dihydro-1H-naphtoxazines were synthesized The structures of the obtained new compounds have been clarified by...

In this study, Betti's classical procedur(1), a Mannich-type aminoalkylation reaction of 2- naphtol with furan- 2-, furan-3-, thiphene-3-, pyridine-4- and naptalene-2-carbaldehydes was applied in the presence of ammonia. 1,3-disubstituted-2,3-dihydro-1H- naphtoxazines were synthesized The structures of the obtained new compounds have been clarified...