Sürdürülebilir Kalkınma Amaçları

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• MakaleYalnız künye2020Scopus SJRQ4/r/gumushane/13058
  Effect of concentration and drying processes on physical and chemical properties of strawberry {arbutus unedo l.) leather (pestil)

  Kerse, Sevgi; Okcu, Zuhal

  In this study, producting with different concentration of starch (%5 ve %8) and different dried methods (in drying oven 60 °C, 80 °C, microwave oven and conventional drying methods arbutus leather is analysed in terms of physical, chemical and sensory parameters. Fruit is more ascorbic acid, total phenolic, antioxidant activity than other leathers. Fruit leathers which contain %8 starch, values are high than leather produced in different concentratioas exclusive HMF value. Fruit leather which dried conventional methods has high value of total dry matter, water soluble dry matter, total sugar, invert sugar,sucrose, ascorbic acid and ABTS values. Fruit leather which dried in micro waveoven has highvalue of ash, total phenolic, DPPH and HMF value. Leathers, which is most appreciated in sensory evaluation, is pestil dried at 60 °C.The least appreciated was the microwave-dried leather.

  İncele
• Derleme MakaleAçık Erişim2018/r/gumushane/18318
  Using of Weeds as Food in Eastern Anatolia Region

  Kaplan, Benay; Okcu, Zühal

  Several herb can grow naturally thanks to climate and geographical features of Turkey. Although there are approximately one million weed in the world, there are still many unidentified weeds. While more than ten thousand weeds are used as a food, only 3000 weeds species are cultivated in Turkey. Eastern Anatolia region is one of the most important regions of Turkey in terms of consuming weeds. The rate of endemic plants is higher in this region, most of them are important economically, because they can be used as a medicinal plants, spices, ornaments, dyes or food. Not only these are utilized as raw or cooked food but also flavorant.

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  AtıfOpenAlex6·TR Dizin4

  İncele
• Derleme MakaleAçık Erişim2018/r/gumushane/16788
  Edible Film and Coating Applications in Fruits and Vegetables

  Okcu, Zuhal; Yavuz, Yasemin; Kerse, Sevgi

  Different preservation and packing techniques are applied to maintain quality and safety during food transportation and storage. Changing in world and increasing consumer demands led to new techniques and procedures in packing. Light, easy opening, eco-friendly, bioplastic and edible packaging materials are improved to resolve problems that occured nowadays. Edible packaging material are environment-friendly because they decompose quickly in nature even if don't consume. In addition edible films increase food's organoleptic properties and support nutritional values when used with inserted supporting member. Fruits and vegetables are high sensitive product; therefore, attention should be paid while transporting and storing and they must be packed in the right way.. Delaying ripening and reducing loss of weight in fruit and vegetable could be supplied with edible films and coatings.

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  AtıfWoS17·OpenAlex29·TR Dizin3

  İncele
• MakaleYalnız künye2018Scopus SJRQ2/r/gumushane/11370
  Evaluation of Pomological and Morphological Characteristics and Chemical Compositions of Local Pear Varieties (Pyrus communis L.) Grown in Gumushane, Turkey; [Pomologische und morphologische Eigenschaften sowie Inhaltsstoffe lokaler Birnensorten (Pyrus communis L.) in Gumushane (Türkei)]

  Kalkisim, Ozgun; Okcu, Zuhal; Karabulut, Besim; Ozdes, Duygu; Duran, Celal

  The aim of the present research was to investigate the fruit quality of twenty different local pear varieties (Pyrus communis L.), namely Ahlat, Ankara, Arpa, Bıldırcın, Çermai, Cinci, Gelin Boğan, Hacı Hamza, Hahır, Kabak, Kızıl, Kokulu, Mehrani, Menendi, Sulu, Şalgam, Tokat Sultanı, Turşu, Yaz, and Yaz Meyriği, grown in Gumushane province in terms of pomological and morphological characteristics and chemical compositions. The fruit mass, fruit width and length, fruit stem thickness and length, fruit kernel width and length, hardness of pulp, number of seeds, leaf width and length, leaf stem length and thickness, and water soluble dry matter (WSDM) of the pear fruits have been determined as pomological and morphological characteristics. On the other hand, the chemical compositions of the pear varieties have been evaluated in terms of protein, ash, sucrose, fructose, glucose, total sugar, titratable acidity, moisture, and mineral element levels. Both pomological and morphological results demonstrated that the local pear varieties are important in terms of rehabilitation studies and detailed selection studies on these local varieties should be performed. The chemical analyses result of the pear varieties revealed that there is no component that may be harmful to human health when consumed, and also these varieties contains the necessary amount of mineral elements.

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  AtıfScopus10·WoS10·OpenAlex20

  İncele
• MakaleYalnız künye2017/r/gumushane/18543
  Kuşburnu meyvesinin değişik ürünlere işlenirken besinsel kalitesindeki değişim

  Kerse, Sevgi; Yavuz, Yasemin; Okcu, Zühal

  Kuşburnu ülkemizde yabani olarak yetişen Rosaceae familyasına ait çok yıllık bir bitki olup, dünyada 100'den fazla türü belirlenmiştir. Beslenme fizyolojisi ve gıda teknolojisi açısından günümüzde önemli bir yere sahip olan kuşburnu, taze olarak tüketilebildiği gibi marmelat, pul, reçel, nektar ve çay gibi ürünlere işlenerek ya da kurutularak farklı yollarla değerlendirilebilmektedir. Kuşburnu meyvesi özellikle içerdiği C ve E vitaminleri, karotenoidler, flavonoid glikozit ve proantosiyanidin gibi fenolik maddeler nedeniyle güçlü bir antioksidan kaynağıdır. Farklı şekillerde tüketimi yapılan kuşburnunun gördüğü işlemler içerdiği bileşenlerin miktarını da önemli derecede etkileyebilmektedir

  AtıfTR Dizin1

  İncele
• MakaleYalnız künye2016Scopus SJRQ3/r/gumushane/15192
  Determination of Pomological and Morphological Characteristics and Chemical Compositions of Local Apple Varieties Grown in Gumushane, Turkey; [Bestimmung der pomologischen und morphologischen Eigenschaften sowie der chemischen Zusammensetzung lokaler Apfelsorten aus dem Gebiet Gumushane, Türkei]

  Kalkisim, Ozgun; Ozdes, Duygu; Okcu, Zuhal; Karabulut, Besim; Senturk, Hasan Basri

  The present study was conducted in order to determine the pomological and morphological characteristics and chemical compositions of some local apple varieties grown in Gumushane. As a result of field work in Gumushane province, sixteen different apples, which are Summer Apple, English apple, Green Belly, Black Belly and Yellow Belly Apples, Amasya Marble, Bey Apple, Chest Apple, Mahsusa, Arabian Girl, Willow Apple, Tavşanbaşı, Yellow Hıdır, Local Marble, Bride Apple, and Fatty Apple were collected in order to analyze. The average results of pomological and morphological properties and chemical compositions were obtained as following: fruit mass; 127.36 g, fruit width; 65.23 mm, fruit length; 57.30 mm, fruit stalk thickness; 2.17 mm, fruit stalk length; 17.63 mm, stalk pit depth; 12.75 mm, flower pit depth; 10.29 mm, fruit firmness; 13.79 kg/cm2, seed house width; 15.89 mm, seed house length; 17.39 mm, number of seeds; 4.3, water soluble dry matter content; 14.53 %, ash content; 1.11 %, pH; 3.8, titratable acidity; 0.69 g/L, water content; 83.8 %, reducing sugar; 5.04 g/100 g, sucrose; 2.25 g/100 g, and the amount of total sugars; 7.29 g/100. The fruit peel color was determined by considering the light transmittance (L). The average L values were ranged between 112.06 and 66.32. On the other hand among the mineral elements, potassium and manganese amounts were determined as the highest and the lowest, respectively.

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  AtıfScopus13·WoS10·OpenAlex13

  İncele
• MakaleYalnız künye2016Scopus SJRQ3/r/gumushane/15177
  Relationships Among some Pears Genotypes (Pyrus Communis L.) Based on ISSR and RAPD Analysis; [Bestimmung der genetischen Verwandtschaft bei Birnen mit Hilfe der ISSR und RAPD Methoden]

  Kalkışım, Ozgun; Okcu, Melih; Okcu, Zuhal; Karabulut, Besim; Yildirim, Nalan; Agar, Guleray

  Thirty one pears genotypes from east blacksea region were evaluated for genetic relationships by using Randomly Amplified Polymorphic DNA (RAPD) and ISSR (Inter-Simple Sequence Repeats) markers from total 70 RAPD and ISSR primer investigated, 22 could amplify clearly and consistently. Cluster analysis of the pears genotypes was performed based on data from polymorphic bands RAPD and ISSR by using Jaccard’s similarity coefficient and the Unweighted pair-group method with arithmetic average (UPGMA) clustering method. The 31 pear genotypes were classified into two major groups. Cluster A was divided into 2 subclusters: Gumushane pears and Trabzon pears. Cluster B consisted of Artvin pears. The similarity matrix values ranged between 0.105 and 0.968.

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  AtıfScopus10·WoS8·OpenAlex13

  İncele
• MakaleYalnız künye2016Scopus SJRQ3/r/gumushane/13813
  Evaluation of the Effect of Different Harvest Time on the Fruit Quality of Foşa Nut; [Einfluss unterschiedlicher Erntezeiten auf die Qualität von Foşa Haselnüssen]

  Kalkisim, Ozgun; Turan, Ali; Okcu, Zuhal; Ozdes, Duygu

  This study was carried out in Arsin (Trabzon/Turkey) in 2011. The effects of different harvest time and altitudes on the quality of the nuts have been investigated. The study was performed on Foşa hazelnut and the harvest process has been conducted at three terms, which are on normal harvest time and ten days before and after harvest time. The harvested nuts were dried in the shade on the concrete floor until their moisture content decreased to 5 %. Some properties of nuts including yield, fruit weight, internal weight, shell thickness, and protein, oleic, and linoleic acid amounts have been investigated. As evaluated all of the fruit properties it can be concluded that 11 August is the most suitable harvest date for coast zone. On the other hand, no significant differences were obtained in the point of protein, oleic, and linoleic acid amounts for different harvest time and altitudes.

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  AtıfScopus3·WoS1·OpenAlex8

  İncele
• MakaleYalnız künye2015Scopus SJRQ3/r/gumushane/12974
  Determination of Genetic Diversity Among Wild Grown Apples From Eastern Black Sea Region in Turkey Using ISSR and RAPDs Markers; [Ermittlung der genetischen Vielfalt bei wildwachsenden Apfelsorten mittels ISSR- und RAPD-Markern in der östlichen Schwarzmeerregion der Türkei]

  Okcu, Melih; Kalkışım, Özgün; Okcu, Zühal; Karabulut, Besim; Yildirim, Nalan; Agar, Guleray

  In this study, we investigated interspecific variations of apple genotypes using ISSR (Inter-Simple Sequence Repeats) and RAPD (Randomly amplified Polymorphic DNA) technique. Total 19 genotypes of wild grown local varieties were collected from Eastern Black Sea region of Turkey and have been studied for the analysis of ISSR and RAPD profile to examine their relationship. From total 53 RAPD and ISSR primer investigated, 28 could amplify clearly and consistently. All bands obtained from ISSR and RAPDs primer were polymorphic. The dendrogram realized from the RAPD and ISSR markers grouped the 19 genotypes into two major clusters. Cluster I comprised ‘Bey Apple’, ‘Fatty Apple’, ‘Golden Delicious’, ‘Yellow Belly Apple’, ‘Bride Apple’, ‘Green Belly Apple’, ‘Summer Apple’, ‘Yomra Apple’, ‘Tavşanbaşı’, ‘Black Belly Apple’, ‘Chest Apple’, ‘Local Marble’, ‘English Apple’, ‘Willow Apple’, ‘Arabian Girl’, ‘Yellow Hıdır’ and cluster II contained ‘Starking Delicious’, ‘Mahsusa’, ‘Amasya Marble’. Genetic diversity data from this study will be helpful in using and exploiting the wild genetic material for breeding purposes as well as for further research.

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  AtıfScopus4·WoS2·OpenAlex6

  İncele
• MakaleYalnız künye2014Scopus SJRQ3/r/gumushane/15475
  Antioxidant and antimicrobial activities of pomegranate (Punica granatum L.) sour sauce extracts

  Yildiz, Hilal; Sengul, Memnune; Cetin, Bulent; Karatas, Neva; Ercisli, Sezai; Okcu, Zuhal; Dzubur, Ahmed; Hadziabulic, Semina

  In this study, nine-pomegranate sour sauce (PSS) obtained from market in Turkey was tested for their total phenolic content (TPC), antioxidant and antimicrobial activity and selected physico-chemical properties. Methanolwater extracts of PSS were found more effective than water extracts against microorganisms. In particular, Pseudomonas pseudoalkaligenes BC3445 and Staphylococcus aureus ATCC 29213 showed the greatest sensitivity to the extracts. Total soluble solids, total sugar, reducing sugar, sucrose, ash, pH, titratable acidity, colour (L, a, b) of PSS were determined between 69.5-73.3° Brix, 21.89-53.44 g/100 g, 20.97-50.62 g/100 g, 0.75-2.81 g/100 g, 0.05-0.58 g/100g, 2.64-2.91, 4.30-7.97, 16.58-55.38, (+3.94)-(+38.54), (-6.98)-(-38.36). β-carotene bleaching assay indicated that PSS possessed considerable antioxidantactivities. The higher antioxidant capacities of PSS implied that they might be potential resources for the development of functional food.

  AtıfScopus1

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