Yazar "Orak, Hakime Hülya" için Fakülteler listeleme
-
Antibacterial and antifungal activity of pomegranate (Punica granatum L.cv.) peel
Punica granatum L, cv. Hicaznar and three different genotypes, which are named genotype 19-121, 17-67and 19-66 which have been obtained at Bati{dotless} Akdeniz Agricultural Research Institute (BATEM) in Antalya, have been ... -
Antioxidant Activity and Total Phenolic Contents of Different Alfalfa (Medicago sativa L.) Varieties Grown in Turkey
Orak, Hakime Hülya; Karamac, Magdalena; Orak, Adnan; Tenikecier, Hazım Serkan; Amarowicz, Ryszard (Centenary University, 2021)Fifteen alfalfa varieties cultivated in Turkey were researched to compare the antioxidant potential of their seeds and find differences between the varieties. The total phenolic (TP) content, DPPH•, and ABTS•+ scavenging ... -
Antioxidant Activity of Extracts of Soursop (Annona muricata L.) Leaves, Fruit Pulps, Peels, and Seeds
Orak, Hakime Hülya; Bahrisefit, İlayda Şevik; Şabudak, Temine (Inst Animal Reproduction & Food Research Polish Acad Sciences Olsztyn, 2019)The total phenolic content (TPC), total flavonoid content (TFC), and the antioxidant activity of soursop (Annona muricata L.) leaf, fruit pulp, seed, and peel extracts obtained using successive extraction with hexane (Hxn), ... -
Antioxidant activity of five new phenolic compounds from Cirsium creticum subsp. creticum
Şabudak, Temine; Özer, Merve; Orak, Hakime Hülya; Çalışkan, Hilmican (Elsevier Science Bv, 2019)In this study, five new alkyl catechol derivatives, 1, 2, 3, 4 and 5 were isolated for the first time from Cirsium creticum subsp. creticum L. and their structures were determined by using spectroscopic techniques, including ... -
Antioxidant and antidiabetic activities of hexane extract of Genista januensis var. lydia
Çakır, C.; Orak, Hakime Hülya; Argon, M.; Çalışkan, H.; Sabudak, Temine; Öztürk, M.; Güler, N. (Bulgarska Akademiya na Naukite, 2022)The genus Genista L. (Fabaceae) has been of interest for human beings since ancient times with its cosmopolitan distribution. Since ?-amylase and ?-glucosidase are the chief enzymes of diabetes mellitus, this study aims ... -
Antioxidant and Antimicrobial Activities of White, Green and Black Tea Extracts
Orak, Hakime Hülya; Yağar, Hülya; İşbilir, Şebnem Selen; Demirci, Ahmet Şükrü; Gümüş, Tuncay (Akademiai Kiado Zrt, 2013)In the present study, the antioxidant and antimicrobial activities of three tea (Camellia sinensis) types (white tea WT, green tea - GT, and black tea - BT) were compared and the relationships between total phenolic, tannin ... -
Antioxidant Potential and Phenolic Compounds of Some Widely Consumed Turkish White Bean (Phaseolus vulgaris L.) Varieties
Orak, Hakime Hülya; Karamac, Magdalena; Orak, Adnan; Amarowicz, Ryszard (De Gruyter Open Ltd, 2016)The antioxidant potential and phenolic compounds content were investigated in ten white bean varieties widely consumed in Turkey. Total phenolic contents of seeds varied between 0.33 and 0.63 mg GAE/g. The Trolox Equivalent ... -
BIOACTIVE COMPOUNDS, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF TWO Cirsium SPECIES
Gülen, Dumrul; Şabudak, Temine; Orak, Hakime Hülya; Çalışkan, Hilmican; Özer, Merve (Wydawnictwo Akad Rolniczej W Lublinie, 2019)In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons ... -
Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
Şabudak, Temine; Çalışkan, Hilmican; Orak, Hakime Hülya; Özer, Merve (Taylor & Francis Ltd, 2021)Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl ... -
The effects of different drying methods on drying kinetics and color parameters of strawberry tree (Arbutus unedo L.) fruit
In this study, changing of drying kinetics and color parameters of halved and whole strawberry tree fruits were evaluated by using hot air drying at 50 °C, 60 °C and 70 °C and vacuum drying at 60 °C, 70 °C and 80 °C. Fruits ... -
Effects of different drying techniques on some nutritional components of tomato (lycopersicon esculentum)
In this research, four drying techniques were applied for tomato (Lycopersicon escuientum) namely, hot air drying using tunnel type dryer, vacuum drying, freeze drying and sun drying and changes of food components of the ... -
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 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 ... -
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 ... -
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. ... -
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 ...