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Effects of hot air and freeze drying methods on antioxidant activity, colour and some nutritional characteristics of strawberry tree (Arbutus unedo L) fruit
Orak, Hakime Hülya; Aktaş, Türkan; Yağar, Hülya; İşbilir, Şebnem Selen; Ekinci, Neslihan; Şahin, F. Hastürk (Sage Publications Ltd, 2012)Antioxidant activity, colour and some nutritional properties of hot air and freeze-dried strawberry tree (Arbutus unedo L.) fruits were investigated. Additionally, the effects of two pre-treatments, namely ethyl oleate and ... -
Evaluation of antioxidant activity, colour and some nutritional characteristics of pomegranate (Punica granatum L.) juice and its sour concentrate processed by conventional evaporation
Orak, Hakime Hülya (Taylor & Francis Ltd, 2009)In this study the antioxidant activity, colour and some nutritional characteristics of pomegranate juice (PJ) and its traditional sour concentrate (CPJ), produced in Denizli, Turkey, were analysed. The total anthocyanin ... -
Evaluation of Antioxidant and Antimicrobial Potential of Strawberry Tree (Arbutus Unedo L.) Leaf
Orak, Hakime Hülya; Yağar, Hülya; İşbilir, Şebnem Selen; Demirci, Ahmet Şükrü; Gümüş, Tuncay; Ekinci, Neslihan (Korean Society Food Science & Technology-Kosfost, 2011)In present study, antioxidant and antimicrobial activities of strawberry tree (Arbutus unedo L.) leaves were investigated. Antioxidant activity was determined by methods of DPPH scavenging, beta-carotene bleaching, reducing ... -
Farklı Önişlemlerin ve Vakum Kurutma Yönteminin Domatesin Kuruma Karakteristikleri ve Kalite Kriterleri Üzerine Etkisi
Şahin, Füsun Hastürk; Ülger, Poyraz; Aktaş, Türkan; Orak, Hakime Hülya (Namık Kemal Üniversitesi, Ziraat Fakültesi, 2012)Bu çalışmada, farklı önişlemlerin ve iki farklı sıcaklık derecesinde, vakum altında kurutmanın dilimlenmiş domatesin kurutma karakteristiklerine ve bazı kalite kriterlerine etkisi araştırılmıştır. Tüm kurutma yöntemlerinde ... -
Free Radical Scavenging Capacity and Antibacterial Activity of Wild Cirsium creticum from Turkey
Şabudak, Temine; Gülen, Dumrul; Orak, Hakime Hülya; Özer, Merve; Çalışkan, Hilmican; Cabi, Evren (Assoc Pharmaceutical Teachers India, 2017)Background: In recent years, there is increasing interest the using of herbal extracts derived from plants in medicine and as a dietary supplements. Objective: We aimed the determination of the antioxidant and antibacterial ... -
Genotype-Related Differences in the Phenolic Compound Profile and Antioxidant Activity of Extracts from Olive (Olea europaea L.) Leaves
Orak, Hakime Hülya; Karamac, Magdalena; Amarowicz, Ryszard; Orak, Adnan; Penkacik, Kamila (Mdpi, 2019)The phenolic compound contents and antioxidant activities of the leaf extracts of nine olive genotypes were determined, and the obtained data were analysed using chemometric techniques. In the crude extracts, 12 compounds ... -
Grain Qualities, Oil Yields and Fatty Acid Composition of Some Hybrid Dent Corn Varieties
Orak, Hakime Hülya; Korkut, Kayıhan Zahit; Başer, İsmet; Orak, Adnan; Bilgin, Oğuz (Asian Journal Of Chemistry, 2009)In this study, the crude oil, protein, ash, potassium, sodium, ferrous content in corn grain and the characteristics of corn oil such as fatty acid composition, iodine value and specific gravity were determined of 35 hybrid ... -
Influence of Pretreatments and Different Drying Methods on Color Parameters and Lycopene Content of Dried Tomato
Hastürk Şahin, F.; Aktaş, Türkan; Orak, Hakime Hülya; Ülger, Poyraz (Scientific Issues Natl Centre Agrarian Sciences, 2011)HASTURK SAHIN, F., T. AKTAS, H. ORAK and P. ULGER, 2011. Influence of pretreatments and different drying methods on color parameters and lycopene content of dried tomato. Bulg. J. Agric. Sci.,17: 867-881 The effects of ... -
Interrelationships among some Quality Characteristics in Dent Corn (Zea mays L.)
Bilgin, Oğuz; Orak, Hakime Hülya; Korkut, Kayıhan Zahit; Başer, İsmet; Orak, Adnan; Balkan, A. (Springer Heidelberg, 2010)The interrelationships among the grain protein, oil, fatty acids, starch, Na, K, Fe concentrations and chemical grain characteristics were determined by correlation analyses in thirty-five commercial dent corn hybrids. An ... -
Investigation of Some Antibacterial and Antioxidant Properties of Wild Cirsium vulgare from Turkey
Şabudak, Temine; Orak, Hakime Hülya; Gülen, Dumrul; Özer, Merve; Çalışkan, Hilmican; Bahrisefit, İlayda; Cabi, Evren (Assoc Pharmaceutical Teachers India, 2017)Background: Cirsium vulgare (Savi) Ten; belongs the Asteraceae family and has common uses in some countries folk medicine. Objective: In this study, the determination of some antioxidant and antimicrobial properties of C. ... -
Investigation of Total Phenolic Contents and Antioxidant Potentials of Some Vetch Genotypes (Vicia Sp.) Grown in Turkey
Orak, Hakime Hülya (Parlar Scientific Publications (P S P), 2019)The aim of this research was to investigate the total phenolic contents and antioxidant potentials of some vetch genotypes obtained from seed methanol extracts which are cultivated in different areas of Turkey. In this ... -
A new pyran derivative analog from the whole plant of Cirsium italicum
Çalışkan, Hilmican; Özer, Merve; Şabudak, Temine; Orak, Hakime Hülya (Taylor & Francis Ltd, 2021)The aim of the present article was to analyze the phytochemical composition of EtOAc extract ofCirsium italicum(Savi) DC. and to determine the antioxidant activity of a new compound1. The EtOAc extract ofC. italicumwas ... -
Phenolic contents and antioxidant capacities of wild and cultivated white lupin (Lupinus albus L.) seeds
Karamac, Magdalena; Orak, Hakime Hülya; Amarowicz, Ryszard; Orak, Adnan; Piekoszewski, Wojciech (Elsevier Sci Ltd, 2018)The aim of this study was to compare the antioxidant capacities and phenolic compound profiles of wild and cultivated Lupinus albus L. seeds. The total phenolic content (TPC), radical scavenging activity, ferric-reducing ... -
Phenolics Content and Antioxidant Capacity of Mung Bean (Vigna radiata L.) Seed
Mung bean (Vigna radiata) is a summer growing legume and widely consumed in the Asian cuisine.In recent years, the functional properties of mung bean have received attention, particularly with respect toantioxidant, ... -
QUALITY CHANGES IN WHOLE, GUTTED AND FILLETED THREE FISH SPECIES (GADUS EUXINUS, MUGIL CEPHALUS, ENGRAULIS ENCRASICHOLUS) AT FROZEN STORAGE PERIOD (-26 degrees C)
Orak, Hakime Hülya; Kayışoğlu, Serap (Termedia Publishing House Ltd, 2008)The objective of this study was to determine the quality changes in whole, gutted and filleted three fish species, whiting (Gadus euxinus), gray mullet (Mugil cephalus) and anchovy (Engraulis encrasicholus), at frozen ... -
Variations of genotypes of Vicia species as influenced by seed phenolic compounds and antioxidant activity
Orak, Hakime Hülya; Karamac, Magdalena; Amarowicz, Ryszard; Orak, Adnan; Janiak, Michal Adam; Tenikecier, Hazim Serkan (Lithuanian Research Centre Agriculture & Forestry, 2022)The phenolic compounds and antioxidant activity of different Vicia species, which are cultivated in different areas of Turkey, and the diversity between analysed characters were investigated. For this purpose, 9 genotypes ...