M. Eray Bozyel

• PhD
• Postdoctoral Researcher at Dokuz Eylül University

The genus Origanum (Lamiaceae) encompasses a variety of species recognized for their medicinal properties. It has a wide distribution in the Northern Hemisphere, particularly in the Mediterranean Basin. The term “oregano” is used to refer to several species within the genus Origanum. Origanum species have been used in traditional medicinal practice...

Bryophytes, which include about 24,000 taxa and consist of mosses (Bryopsida), liverworts (Hepaticopsida), and hornworts (Anthocerotopsida), are the largest group of secondary terrestrial plants after angiosperms. Indigenous communities globally use bryophytes for various medicinal purposes, including antimicrobial, antipyretic, dermatological, hep...

The Salvia genus, commonly referred to as “sage”, represents the largest genus within the family Lamiaceae. Approximately 1,000 species of the Salvia genus are known to grow naturally, primarily in southern Europe but also in other regions worldwide. A significant proportion of the species are utilized in traditional medicine. In vitro and in vivo...

This study aimed to assess the antimicrobial activity of Daucus carota ssp. sativus var. atrorubens Alef. plant through disk diffusion and MIC (Minimum Inhibitory Concentration) methods, evaluate its antioxidant activity via the DPPH (2,2-diphenyl-1-picrylhydrazyl) method, and analyze its biochemical composition using GC-MS (Gas Chromatography-Mass...

Microbiology, antimicrobial activity, disk diffusion

Rapidly increasing resistance seen in bacteria compared to the amount of antimicrobial agents discovered is one of the biggest predicaments surrounding human health nowadays. This crisis is mainly fueled by the misuse of antibiotics which in turn promotes antibiotic resistant organisms. In addition, our inability to match the speed of these organis...

Antimicrobial activity studies have increased with the understanding of how important microbial resistance is for public health. The discovery that natural agents efficient against increasing resistance are effective at this point is one of the reasons for the increase in these studies. Especially the fact that the most effective natural antimicrob...

Introduction: The genus Cephalaria, belonging to the Caprifoliaceae family, is a rich source of secondary metabolites, including mainly saponins which display a variety of biological activities, such as antimicrobial, antioxidant, and anticancerous effects. This study was carried out to observe the biochemical composition and to evaluate the biolog...

The Ocimum L. (Lamiaceae) plant is highly prized for its economic and medicinal value. One of the best known species is O. basilicum (basil). Although originally native to the Americas, tropical Africa, and Asia, basil is now widely cultivated in Europe, North Africa, and south-west Asia. The plant’s medicinal properties have been well-documented t...

Juniper is a term used to identify shrub and tree species that fall under the genus Juniperus of the Cupressaceae family. The boiled and molasses forms of juniper berries have been traditionally utilized in folk medicine for centuries. In Turkey, juniper berries have been known to aid in treating shortness of breath, cough, abdominal pain, wound he...

Origanum onites (Lamiaceae) is an Eastern Mediterranean plant that is widely used in Turkish traditional medicine. This study aimed to investigate the biochemical composition, antimicrobial activity, and antioxidant potential of O. onites. In this study, the biochemical composition of the O. onites ethanol extract (OOEt) was analyzed using GC-MS. T...

Salvia fruticosa (Anatolian sage) is a medicinal plant with a natural distribution in the Central and Eastern Mediterranean. It has ethnomedicinal uses in traditional medicine. The aim of this study was to investigate the biochemical composition and in vitro antimicrobial and antioxidant activities of S. fruticosa. The in vitro antimicrobial activi...

In this study, the chemical composition and biological activity of Allium scorodoprasum subsp. jajlae (Vved.) Stearn were investigated for the first time, focusing on its antimicrobial, antioxidant, and antibiofilm properties. A GC-MS analysis was employed to evaluate the composition of its secondary metabolites, identifying linoleic acid, palmitic...

In this study, we investigated the antimicrobial, antioxidant, and antibiofilm activities and the biochemical composition of Achillea fraasii. The antimicrobial activity of A. fraasii ethanol extract (AFEt) was tested against 48 strains, and this is the first study testing the antimicrobial activity of this plant to this extent. The antioxidant act...

Cytinus hypocistis (L.) L. (Cytinaceae) is a Mediterranean parasitic plant used traditionally. This study aimed to investigate the in vitro antimicrobial, antioxidant activity, and biochemical composition of C. hypocistis ethanol extract (CHEt). The biochemical composition of CHEt was analyzed by GC-MS. The antimicrobial activity was investigated u...

Atropa belladonna is a perennial herbaceous plant in the Solanaceae family. The flowers of the plant are greenish purple in color and tube-shaped, the leaves are oval, and the fruits are black in color, shiny, and in a grape-like form. The A. belladonna plant, which appears mostly as a semi-shrub with fleshy roots, can reach a length of 100 cm to 1...

Like many animals, human beings have been using plants to combat diseases and infections since they first appeared on the scene of history. On the other hand, thousands of antibiotics have been synthesized and used since Alexander Flameng's discovery of penicillin in 1928. Antibiotics, which are an effective weapon in this war against bacteria, are...

Plants have been used in many areas from health to industry throughout human history and continue to be used today. Daucus carota ssp. sativus var. atrorubens Alef. which is rich in vitamins and minerals and is also known colloquially as the black carrot. It originated in Türkiye, the Middle, and the Far East and has been cultivated for about 300...

Antimicrobial resistance reduces the effectiveness of antibiotics and endangers human health by increasing the risk of death from serious diseases. We need to prevent both the transmission of resistant bacteria and the infections they cause, which are a growing threat with the increasing world population. In this context, new antimicrobial agents a...

Hibiscus syriacus is an ornamental plant, and it also has uses in traditional medicine. This study aimed to investigate in vitro antimicrobial activity and the biochemical composition of Hibiscus syriacus. In this study, the biochemical composition of ethanol extracts of H. syriacus flowers (HSFEt) and H. syriacus leaves (HSLEt) was analyzed by GC-...

Although medical sciences are progressing tremendously, the diseases caused by viruses, fungi, and bacteria are still an important issue for public health. For this reason, continuous research to determine new antimicrobial compounds is needed. This study investigated the in vitro antimicrobial activity and biochemical composition of Sedum hispanic...

The relationship between plants and humans is as old as human history. The branch of science that studies this relationship between humans and plants is called ethnobotany. People have been used plants in various ways, including food, medicine, clothing, goods, and firewood. Geophyte is a name given to herbaceous plants with special subsoil stems,...

In this study, the antimicrobial activity of Asparagus acutifolius, called "Tilkişen" and used in the treatment of diseases, was investigated in and around Aydın. The ethanol extracts obtained from fresh shoot tips and stems of A. acutifolius were tested against 45 bacteria and 3 fungi strains by the disk diffusion method. As a result of the study,...

The phenomenon of using plants for therapeutic purposes dates back to the earlier times in the history of humanity. Even though there have been remarkable developments in the modern medicine, pharmaceutical, and chemical industries, the therapeutic use of medicinal plants is still up to date. Due to the emergence of antibiotic-resistant strains and...

This study aims to observe the antimicrobial and antioxidant activities of ethanol extract from the fruits of Pyracantha coccinea. Antimicrobial activity was tested against 45 bacteria and 3 yeasts by disk diffusion method and antioxidant activity was tested by the DPPH method. The results of this study showed that ethanol extract of fruits exhibit...

It is widely accepted by scientists that innovation of new antimicrobial agents has extreme importance for the sake of the future of human beings; therefore the researches about the antimicrobial potentials of plant extracts and their biochemical composition have great importance. This present study aims to investigate the antimicrobial activity of...

The Orchidaceae family is one of the flowering plants' families with great diversity and widespread worldwide. It is one of the two largest families of flowering plants, along with the Asteraceae. Orchids are preferred as ornamental plants due to their fascinating floral diversity and complex flowers. They also have medicinal uses. Since ancient ti...

The Araceae family is one of the large families of Angiosperms. The family contains 105 genera and 3300 species. About 90% of the genera and about 95% of the species are found in tropical areas. It contains species of medical value and used as food among the public. Arum, Biarum, Dracunculus, Eminium, and Arisarum are the most important genera in T...

The Iridaceae is one of the geophyte families in the world. It is generally distributed in the Southern Hemisphere. The family includes some of the most popular ornamental genera such as Freesia, Gladiolus, Iris, Sparaxis, Sisyrinchium and Tigridia. The stigmas of Crocus sativus are called saffron. It is widely used as a coloring agent and to flavo...

Lavandula L. (Lamiaceae) is a widely distributed medicinal plant throughout the world and has been used since ancient time. Popular indications of the several species of this genus include treatment of stomach diseases, headache, inflammation, pains, insomnia, diuretic and expectorant. Phytochemical investigations of Lavandula species have revealed...

The number of plants used for treatments has been steadily increasing since ancient times. There were around 250 herbal drugs used during the Mesopotamian civilization. During the time of the Greeks, 60 medicinal plants were known. During the Arab-Persian civilization, this number increased to about 4,000. At the beginning of the 19th century, the...

Humans have known the therapeutic properties and plant origin poisons of many plant species since ancient times. Ancient people who had no real and scientific knowledge on diseases and treatments tried to find solutions to these problems by the opportunities they had and the theories they could produce. Plants are the most important source of tradi...

The use of plants as therapeutic agents have been known since the ancient times. In developing countries, traditional medicinal plants are critical for disease treatment. Various herbal drugs are obtained from these plants for therapeutic use. These herbal drugs are used in the treatment of many diseases from diabetes to cancer. Today, cancer is on...

Limestone Quarry and to present suggestions for the protection of the determined species. Production area and its surroundings were determined as a result of plant species, field studies and literature searches. On the other hand, sample collection and field work were carried out in possible areas to be affected by production. Also, considering the...

İnsanlık, tarihi boyunca hastalıklar ile mücadele etmek için doğadan elde ettiği maddeleri kullanmıştır, ancak etkisi bilenen her doğal madde zaman geçtikçe etkisini yitirmektedir. Mikroorganizmaların antimikrobiyal ajanlara karşı geliştirdikleri direnç mekanizmaları dikkate alındığında yeni antimikrobiyal ürünlerin araştırılmasındaki ihtiyaç ortay...

Since ancient times several diseases have been treated with natural products, such as plants. Heliotropium europaeum L., commonly known as Akrepotu, is an important taxa of the Boraginaceae family. There are antimicrobial researches about H. europaeum in the literature and results are promising. Therefore this medical plant investigated against 41...

e aim of this study was to test antimicrobial activity of ethanol extract of Lavandula stoechas against 22 bacteria and 1 yeast. Also, biochemical composition of the extract was investigated. A wide range of Gram-positive, Gram-negative microorganisms, and multidrug resistant bacteria were selected to test the antimicrobial activity. As a result, t...

According to 2017 data, Turkey is one of the top ten countries exporting cement in the world. In the world, it is inevitable to meet the cement demand for the developing construction sector. Sustainability should be at the forefront in meeting this need. For this reason, cement plants should be operated in a way to cause the least damage to the env...

Our goal is to remedy the Bozalan clay quarry (Ezine/Çanakkale) progressively and create a naturalized landscape with ecological diversity. After completion of the project the remediation area will be used for recreational purposes with increased community access where a variety of habitats for plants and wildlife can be observed. Initially, remedi...

Objective / Purpose: The long-term use of broad spectrum antibiotics has led to the development of resistance, so development of novel component use to treatment of infectious diseases caused by bacteria, fungi, parasites and viruses. In both traditional and current approaches, natural products have been the foundation of health care in the world s...

Objective / Purpose: World Health Organization (WHO) has predicted increasing antimicrobial resistance as a major threat for the public health for the 21st century. In order to prevent spreading of antibiotic resistant infections, scientists have been conducting intensive researches to determine new antimicrobial agents. One way to prevent antibiot...

Objective / Purpose: Helichrysum arenarium (L.) Moench, which is commonly known as dwarf everlast, has been used as a medicinal plant in different countries. H. arenarium ssp. aucheri is an endemic subspecies in Turkey. It is an aromatic plant. It grows on dry calcareous or sandy soils, steppes and banks at altitudes from 250 to 3200 meter. Studied...

Objective / Purpose: The use of plants as medicine has been practiced from ancient times in World. In developing country, traditional herbs have critical significance for disease treatment and they aid to detect novel antibiotics. Therefore, plant biochemical research is needed for continue of human health against pathogen infection. From this poin...

Objective / Purpose: known. Since ancient time, human beings were used plants for infection treatment and some of these plants are still traditionally inclusive as part of the disease therapy. In developing countries, traditional herbs have critical significance for disease treatment and researches are conducted to detect novel antibiotics. Therefo...

Objective / Purpose: Plants have many bioactive components which have beneficial health effects. ial antimicrobial activity against 19 bacteria and 1 yeast is studied by using disk diffusion method and biochemical composition of Achillea phrygia Boiss. & Balansa was investigated. Material and Methods: A wide range of Gram positive and Gram negative...

The use of plants as medicine has been practiced from ancient time in World. In developing country, traditional herbs have critical significance for disease treatment and they aid to detect novel antibiotics.Maclurapomifera(Raf.) C.K.Schneid, commonly known as the Osage orange, is a tree of the Moraceae or mulberry family. There are antimicrobial r...

The Orchidaceae form one of the largest families of angiosperms, as well as one of the most fascinating by reason of their diversity and specialization in floral structure. There are between 25,000 and 30,000 species in 900 genera. Almost 800 species are identifed and added to the family list every year [1]. From studies of their DNA, we have learn...

The Orchidaceae form one of the largest families of angiosperms, as well as one of the most fascinating by reason of their diversity and specialization in floral structure. There are between 25,000 and 30,000 species in 900 genera. Almost 800 species are identifed and added to the family list every year. They are the most researched family of the p...

Inula viscosa (L.) Aiton [Syn: Ditrichia viscosa (L.) Greuter] (Asteraceae) (common local name: Yapışkan andız otu) is a perennial plant distributed in different regions of the Mediterranean Basin. In traditional medicine, Inula viscosa L. has many uses, including antiinflammatory, anthelmintic, antipyretic, antiseptic and antiphlogistic activities....

Trigonella foenum-graecum L. (English: Fenugreek; Turkish: Çemen otu) is an annual herb, belonging to the family Fabaceae. Te leaves of the plant Trigonella foenum-graecum (TFG) are commonly used as vegetables because they are rich source of calcium, iron, β-carotene and other phytochemicals, while the seeds are used as a spice in food preparations...

Orchidaceae is a diverse and widespread family of flowering plants with blooms that are often colourful and often fragrant, commonly known as the orchid family. They are herbaceous monocots. Along with the Asteraceae, they are one of the two largest families of flowering plants. There are between 25,000 and 30,000 species in 900 genera. Orchids can...

The Orchidaceae form one of the largest families of angiosperms, as well as one of the most fascinating by reason of their diversity and specialization in floral structure. There are between 25,000 and 30,000 species in 900 genera. Almost 800 species are identifed and added to the family list every year. They are the most researched family of the p...

I. Giriş: Plantaginaceae familyasında yer alan Digitalis L. cinsi yaklaşık 20 tür ile temsil edilmektedir. Türkçe adı Yüksükotu olan iki veya çok yıllık otsu bitkilerdir. Türkiye’de 8 tür ve 2 alttür olmak üzere toplamda 10 takson yayılış göstermektedir. En geniş yayılışa sahip olan Digitalis ferruginea ssp. ferruginea taksonudur. Digitalis türleri...

Giriş: Orkideler, milyonlarca yıl önce dinozorların yaşadığı dönemlerde ortaya çıkmışlardır. Tarih öncesi çağlardan günümüze çeşitli evrimsel süreçlerden geçerek ulaşan Orchidaceae familyası üyeleri, dünya çapında 900 cins ve yaklaşık 20.000 tür ile temsil edilmektedir. Ayrıca 70.000 ile 100.000 orkide hibridinin bulunduğu ve her yıl 800 yeni orkid...

Giriş: Orchidaceae familyası, Asteraceae familyasından sonra çiçekli bitkilerin en büyük ikinci familyasıdır. Dünyada 900 cins ve yaklaşık 20.000 tür orkide bulunmaktadır. Bazıları geofit olarak, büyük bir çoğunluğu ise epifit olarak yaşarlar. Türkiye orkideleri geofit özellikte olup, 24 cins ve 170 tür ile temsil edilmektedir. Bu çalışmada, ülkemi...

Giriş: Orchidaceae familyası çiçekli bitkilerin en geniş familyalarından biri olup, kutuplar hariç dünyanın her yerinde yayılış göstermektedirler. Dünyada 900 cins ve yaklaşık 20.000 tür orkide bulunmaktadır. Bazıları geofit olarak (toprakta), büyük bir çoğunluğu ise bir başka bitki üzerinde yani epifit olarak yaşarlar. Epifit orkideler daha çok tr...

Water plays a crucial role in global food production. During this century, climate change may induce changes to temperature and precipitation regimes reducing the availability of water for agriculture. Furthermore, projected increases in the frequency and duration of extreme drought events associated with higher temperatures may exacerbate these ef...

Mimicry is the similarity of one species to another which protects one or both. This similarity can be in appearance, behaviour, sound, scent and location. Orchidaceae is a diverse and widespread family of flowering plants with blooms that are often colourful and often fragrant, commonly known as the orchid family. They are herbaceous monocots. Alo...

Abies (Firs), a genus of Pinaceae, is reported to comprise 48 species, 7 subspecies and 24 varieties plus one nothospecies (hybrid species). It is found in mostly North and Central America, Europe, Asia, and North Africa, occurring in mountains over most of the range. Firs are most closely related to the genus Cedrus. All native species reach 10–80...

Giriş: Çiçekli bitkilerin en geniş familyalarından olan Orchidaceae, kutuplar ve gerçek çöller hariç dünyanın her yerinde yayılış göstermektedirler. Dünyada 900 cins ve yaklaşık 25.000 tür orkide bulunmaktadır. Bazıları geofit olarak, büyük bir çoğunluğu ise epifit olarak yaşarlar. Türkiye orkideleri geofit özellikte olup, 24 cins ve 170 tür ile te...

Giriş: 2013 yılı Haziran ayında Karabük ili Demir-Çelik fabrikası çevresindeki altı bölgeden toprak örnekleri alınmıştır. Alınan örneklerin yıkanması ile hazırlanan farklı konsantrasyonlarda yetiştirilen Allium cepa L. (soğan) kök mersitem hücrelerindeki mitotik indeks, kromozom anomalileri ve anomali oranlarına bakılarak bu toprakların genotoksik...

Giriş: Bu çalışmada, ülkemizde Orta Anadolu ve Güney Doğu Anadolu Bölgeleri haricinde yayılış gösteren, geofit ve yumrulu bir orkide türü olan Neotinea tridentata (Scopoli) R.M. Bateman, Pridgeon & M.W. Chase türünün anatomik, morfolojik ve ekolojik özelliklerinin incelenmesi amaçlanmıştır. Gereçler ve Yöntemler: Çalışma materyali bitkiler Çanakkal...

Salep, Osmanlı’dan günümüze kış aylarında keyifle tüketilen bir içecektir. Bu içeceğin hammaddesi olan toz salep ise, ülkemizde geofit olarak 24 cins ve yaklaşık 170 tür ile yayılış gösteren, ülkemiz florasına büyük zenginlik katan Orchidaceae (Salepgiller) familyası taksonlarının yumrularından elde edilmektedir. Orkideler yumrularında biriktirdikl...

Orkideler monokotil, çok yıllık otsu bitkilerdir. Çiçekli bitkilerin en geniş familyalarından olan orkideler kutuplar ve gerçek çöller hariç dünyanın her yerinde yayılış göstermektedirler. Dünyada yaklaşık 900 cins ve 20.000 tür orkide bulunmaktadır. Bazıları geofit olarak (toprakta), büyük bir çoğunluğu ise bir başka bitki üzerinde yani epifit ola...

Ozon incelmesi, dünya yüzeyine ulaşan ultraviyole (UV) radyasyonunda önemli artışlara neden olmaktadır (Du ve ark., 2010). Yeryüzüne ulaşan UV radyasyonunun spektrumu, düşük enerji (UV-A, 320-400 nm), yüksek enerji (UV-B, 280-320 nm) ve UV-C (254-280 nm) bölgelerine ayrılmaktadır. Radyasyonun herhangi bir dozuna bitkilerin verdiği yanıtlar farklılı...