Hasan Huseyin Atar

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• PhD
• Dean of Agriculture Faculty at Ankara University

This study monitored the color changes of seabream and seabass fillet and skin parts immersed in hydrogen peroxide (H 2 O 2), and colloidal silver added H 2 O 2 solutions (800 ppm). The images were taken on three-point of the process: fresh, after immersion, and one-day storage at 4°C. Computer-based image analysis technology was used for color det...

Objective: Determination of the morphological characteristics of fish species is essential for the correct identification. The most important of these morphological features is undoubtedly the color properties. The determination of color characteristics by Computer-Based Image Analysis (CBI) rather than individual identification gives more objectiv...

Cyprinus carpio and mint, Mentha spp., semi-quantitatively. The experiment was carried out in the one-loop aquaponic system. Carp with the weight of 30-50 g were stocked at two different ratio: 30kg/m3 (GroupI-low stocking density) and 50kg/m3 (GroupII-high stocking density). Fish were fed with 45% raw protein at the level of 2% body weight for 4 w...

If temperature fluctuations can be controlled, freezing and frozen storage are very effective food preservation techniques. However, frozen products must be thawed before they are consumed. The number of methods of thawing is increasing. Thawing stage is very important for maintaining quality. However, the consumer cannot use industrial techniques...

If temperature fluctuations can be controlled, freezing and frozen storage are very effective food preservation techniques. However, frozen products must be thawed before they are consumed. The number of methods of thawing is increasing. Thawing stage is very important for maintaining quality. However, the consumer cannot use industrial techniques...

Throughout the ages Mediterranean and Aegean Sea have been important for coastal settlement strip. Especially, "Liman Tepe and Çeşme-Bağlararası" are one of the most significant areas to examine the cultural and commercial progress dating back to middle of the 5th Millennium BC through the Classical Age. DNA extraction from ancient samples provide...

The damage caused by non-native and invasive species to the local fauna, flora, ecosystem and socioeconomic structure has been well known for many years and the studies conducted on this subject have increased significantly in recent years. In this sense, it is essential to identify potential non-native species that may pose a threat, to continuous...

Disinfection of equipment and environmental surfaces in fresh seafood processing plants are very important for producing high-quality value products. Disinfectant substances exhibit diversity. Technological advances nowadays enable the production of new advanced nano-particulate disinfectants. Their use and their efficacy on conventional disinfecta...

Disinfection of equipment and environmental surfaces in fresh seafood processing plants are very important for producing high-quality value products. Disinfectant substances exhibit diversity. Technological advances nowadays enable the production of new advanced nano-particulate disinfectants. Their use and their efficacy on conventional disinfecta...

It is common to apply the pre-treatment to improve the quality of the meat and to extend the shelf life of the products in the meat processing industry. The pretreatments also include color development procedures (redness or lightness). One of the chemicals used in the food industry is hydrogen peroxide. It is commonly using for surface sanitizer o...

Hidrojen peroksit (H2O2), kolay erişimi ve güvenli kullanım olanakları nedeni ile pek çok sektör tarafından kullanılmaktadır. Su ürünleri sektörü açısından; iyi bir dezenfektan olması ile birlikte uluslararası federasyonlar tarafından kabul edilen bir kısım balık hastalıkların önlenmesi ve tedavisinde kullanımı uygundur ve balık yumurtalarının bakt...

Hydrogen peroxide (H2O2) is used by many sectors due to its easy access and safe use possibilities. In terms of aquaculture sector: It is a chemical that is frequently used for aquaculture because it is a good disinfectant and suitable for use in the prevention or treatment of some fish diseases accepted by international federations and it has appl...

Onuncu Kalkınma Planında her birisi ayrı bir özel ihtisas alanı olan bitkisel üretim, hayvancılık, su ürünleri ve gıda sektörleri, On Birinci Kalkınma Planı (2019-2023) kapsamında tek bir başlık altında birleştirilmiş ve Tarım ve Gıdada Rekabetçi Üretim Özel İhtisas Komisyonu olarak ele alınmış olup hem dünyadaki hem de ülkemizdeki durum ve geçtiği...

Lagoon fishery is one of the oldest fishing method and still being used to exploit coastal species in the northeastern Mediterranean. The fishery uses barrier traps, made of cane, plastic or iron bars, to retain the species. There is no information about selectivity of the traps used in these fisheries. We studied the size selectivity of different...

"Effects of Climate Change on Aquaculture"

This study was conducted as an amateur fishing activity between September 2015 and March 2016 in Gökova Bay in the Aegean Sea (southwest of TURKEY). 4 different sizes (2,4,6,8 no) of straight and kirbed hooks on 4 tippets were used on fishing lines. Common prawn (Palaemon serratus Pennant, 1777) was used of as bait. Due to the food needs of our cou...

The aim of this study which was carried out on different bottoms is to reveal that 4 different sizes (2,4,6,8 no) of straight and kirbed hooks on 4 tippets used on Painted comber (Serranus scriba Linnaeus, 1758) in handline fishing between September 2015 and March 2016 in Gökova Bay İn the Aegean Sea (southwest of TURKEY). Painted comber Serranus s...

Assessment of fish biodiversity in freshwater environments is challenging, especially when rare species or species with low population densities exist. Environmental DNA is becoming a common tool in molecular ecology to detect target species found in the environment. Moreover, eDNA metabarcoding is now used to determine a complete list of target or...

Traditional smoking application using the smoke produced by burning woods has been utilized as a preservation technique for centuries. However, wood smoke generates some unfavorable compounds such as Polycyclic Aromatic Hydrocarbons (PAHs) upon pyrolysis, which occurs between 180 and 350 °C. These PAHs are generally known to be carcinogenic even th...

This study aims the measurement of the effects of liquid fertilizers at different levels on the growth of duckweed (Lemna minor) and to investigate the relationship between the weight and surface area covered by duckweed via image analysis technique. A linear correlation was found between these values (R2=0.972). The equation is indicated as Y=5.10...

Aquacultured green lipped mussel (CPH) is the New Zealand export leader of seafood in terms of weight. Different treatments shrink mussel meat differently and affect the consumer perception of half-shelled mussels. In order to quantify this, digital images of half-shelled green lipped mussels subjected to two post-harvest treatments (ultra high pre...

Pollutants and other external factors effect the strength and service life of fishing nets. The effects of some pollutants such as heavy metals and temperature on the mesh breaking strength of knotless polyamide (PA) fishing nets were determined in this study. The PA net samples were subjected to heavy metal solutions containing Cd (Cadmium), Cu (C...

DNA barcoding was used in the identification of 89 commercially important freshwater and marine fish species found in Turkish ichthyofauna. A total of 1765 DNA barcodes using a 654-bp-long fragment of the mitochondrial cytochrome c oxidase subunit I gene were generated for 89 commercially important freshwater and marine fish species found in Turkis...

DNA barcoding was used in order to identify aquatic invertebrates sampled from fisheries bycatch and discards. A total of 440 unique cytochrome c oxidase sub unit I (COI) barcodes were generated for 22 species from three important phyla (Arthropoda, Cnidaria, and Mollusca). All the species were sequenced and submitted to GenBank and Barcode of Life...

Determination of Demersal Fish Abundance Distribution of Commercial Fishing Zones and By-catch Amounts of Aegean Sea: In this study it was aimed to determine the distribution of demersal fish abundance and by-catch characteristics of trawl fishery in Aegean Sea. Research was conducted by 9 trawlers and 1200 meshes trawl net. Furthermore sampling pe...

Gıda kalite analizlerinde kullanılan yeni sistemler teknolojik ilerlemelere paralel olarak gelişmektedir. Gıda analizleri için kullanılan pek çok yöntem zaman alıcı, zahmetli ve masraflıdır. Bu yöntemlere göre pek çok kolaylık sunan teknoloji temelli sistemler (bilgisayarlı görüntüleme sistemleri, elektronik burun, elektronik dil, hiperspektral gör...

Sequence analysis of the cytochrome c oxidase I gene was used to confirm the identity of species in 50 commercial surimi products labeled as Alaskan pollock (Theragra chalcogramma). All sequences (655 base pairs long) produced from the samples were aligned and compared with reference sequences from the GenBank database. A Neighbor Joining tree clus...

In this review, DNA barcoding, which is the most commonly used molecular tool in biological identifications, was discussed in every respect. Difference of DNA barcoding from other molecular tools, the main reasons of using cytochrome oxidase c subunit I was given together with application and work flow of this approach. While explaining DNA barcodi...

Species from the class Scyphozoa of the Cnidaria phylum were referred as the true jellyfishes. Scyphozoans are the most important jellyfish species that are fished commercially and used as seafood products. Identification of Scyphozoan species is difficult because of their fragile anatomy (no durable hard parts like head or skeleton) and complex li...

Mitochondrial DNA sequence variation in 655 bpfragments of the cytochrome oxidase c subunit I gene, known as the DNA barcode, of European anchovy (Engraulis encrasicolus) was evaluated by analyzing 1529 individuals representing 16 populations from the Black Sea, through the Marmara Sea and the Aegean Sea to the Mediterranean Sea. A total of 19 (2.9...

Three diets were tested to feed triplicate groups of Salmo trutta abanticus fry with initial average body weight of 0.091 g in fiberglass tank. Two diets consisted of live guppy fry (Lebistes sp.), tubifex (Tubifex tubifex) and third diet was compound diet made up from commercial trout feed. At the end of 12 week of feeding, the best results for av...

In this study which was carried on by Yumurtalik district of Adana province, by catching with the shrimp net, marketable and discarded part of the catch, such as shrimp and other species were investigated. In the area, samples of catch were taken in April, May, June, July, August and September 2004 by fortnight periods. Investigated 3513 species in...

http://www.deepdyve.com/lp/elsevier/status-of-aquatic-plant-tissue-culture-in-turkey-zseFicmlLZ

Nucleotide divergence in cytochrome c oxidase subunit I (COI) gene of mitochondrial DNA was analyzed to determine interpopulational variation of common octopus (Octopus vulgaris) species sampled along eastern Mediterranean. Nucleotide composition and nucleotide pair frequency analyses of 440 individuals representing 11 populations were investigated...

Identification of processed fish foods usually requires the application of a molecular tool because most of the morphometric keys used in species identification are lost during this process. Identification through DNA barcodes is being developed for all animal species and when used together with high throughput sequencing technologies, potentially...

Introduction: The mosquitofish (Gambusia affinis) is native to the fresh waters of the eastern and southern United States. It has become one of the worst invasive species in many waterways around the world following initial introductions as a biological control of mosquito [1].Materials-methods: The whole genome was purified by gene amplification u...

Introduction: Identification of the species used in seafood is an important issue both for fresh and processed (fillet, smoked, canned) products. Determination of tuna species in tuna cans has a clear importance since the pricing of the product completely depends on the species used. Materials-methods: The aim of this study is to differentiate some...

In this study reproductive biology of Liza abu (Pisces M ugilidae) from Atatürk Dam Lake in the Eup hrates River Basin was observed. Some reproductive characteristics such as age, egg number, sexual determination, gonadosomatic index (GSI) of Liza abu (n=821) are taken into consideration. The relationship between total weight (Wt), and total length...

In this study, the effects of a commercial liquid smoke flavoring agent and two different brining solutions applied on fillets of anchovy were investigated by performing sensory analyses, meat yield, polycyclic aromatic hydrocarbon (PAH) content, and chemical composition analyses. Fillets were brined at 40 and 65% for 4 h at 4°C. Meat yield, sensor...

The study reports the effects of TS (Traditional Smoke) and LS (Liquid Smoke) smoking processes after performing chemical composition analyses using two different brining solutions on fillets of rainbow trout. The fillets were brined at 36 and 70% for 4 h at 4°C affected by each brining level. It was concluded that shelf life of TS1 and LSI extende...

Water lily (Nymphaea alba L.) is an important and popular aquatic perenniel plant. It has been used for ornamental and pharmaceutical purposes in Turkey and various countries. The populations of white water lily have seen rapid erosion in the last few years due to fast urbanization and industrialization that has produced negative effect on the lily...

This study was carried out at Anamur district of Mersin province using trawl net to determine marketable and discarded part of the catch of species. Catch samples were taken during September 2004 and April 2005 at fortnight intervals. Totally 923.17 kg species were caught during the period September 2004 - April 2005, which consisted of 406.9 kg ta...

Bu anket çalışması, Ankara Üniversitesi Ziraat Fakültesi öğrencilerinin su ürünleri tüketim alışkanlıklarını ortaya konması amaçlıdır. Ankete 18-29 yaş aralığında farklı coğrafyalardan 100 öğrenci katılmıştır. Çalışma sonuçlarına göre öğrencilerin su ürünlerinin faydaları hakkında bilinçli oldukları ancak tüketimlerinin oldukça düşük olduğu, işlenm...

Four hundred shabbout fries (Tor grypus L. 1758), with average initial weight of 0.95±0.02 g and total average length of 4.10±0.05 cm, were fed for a period of 90 days commercial feed with addition of mannanoligosaccharide (MOS) and vitamin B12. The shabbouts were divided into four different groups and fed by different feeds (Control, Group A with...

The sex reversion technique in fish is widespread in many countries. The development of these techniques is desirable because rainbow trout males reach their gonad maturity earlier compared to the females. A feeding trial was conducted to examine the supplemental effects of three hormones-17 alpha-Methyltestosteron, 11 beta-hydroxyandrostenedione,...

Sustainable seafood industry

Biopackaging, Seafood

Liquid smoked seafood

This study discussed relationship between healthy life and seafood consumption. Seafood consumption provide with predicting some chronic diseases, regular diet and a healthy eating habit. Fish and seafood have been promoted as healthy eating by health organizations in many countries all over the world. Seafood includes many important fatty acids, p...

http://www.nobel.gen.tr/MakaleDetay2.aspx?ID=2507&islem=pdf

Tilapias are one of the most important domesticated fish today. Production widely distributed around the world. Lecithin also known as Phosphatidyichohne (PC), is a special type of lipid (a phosphohpid) found naturally in the body. Research has shown that crustaceans and fish cannot adequately synthesise the phospholipids they require for maximum p...

Apical meristems, first, second and third-fourth axillary buds of Ludwigia repens were cultured on Murashige and Skoog (MS) medium containing various concentrations of 6-benzylaminopurine (BAP), thidiazuron (TDZ) and α - naphthaleneacetic acid (NAA) for micropropagation. Micropropagation was best achieved from apical meristem on MS me- dium contain...

In this study, the width/length-weight relationships by sex, combined with the condition factors, of the blue crab (Callinectes sapidus Rathbun 1896) population living in Beymelek Lagoon Lake (Antalya) were examined. A total of 1027 samples ranging from 5.1 to 18.1 cm in width and weighing between 8.92 and 448 g were collected and analyzed. The rel...

In this study, the capture efficiencies and catch rates of three different traps were compared for the blue crab Callinectes sapidus in Beymelek Lagoon, Antalya, Turkey. All gear was used simultaneously and in the same habitats. The mean catch per unit effort (CPUE) was determined to be significantly higher for hoop nets than for traps. Gear effect...

Three haemocyte groups were identified in the freshwater crab, Potamon fluviatilis: hyalinocytes, semigranulocytes and granulocytes. The proportion of hyalinocytes was found to be 15%, that of semigranulocytes 54.25% and that of 30.75% granulocytes.