Department of Food Engineering, Article

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Recent Submissions

Optimization of spray drying for Chlorella vulgaris by using RSM methodology and maltodextrin
KONAR, NEVZAT; DURMAZ, YAŞAR; Polat, Derya Genc; Mert, Behiç (2022-04-01)
In this study, Chlorella vulgaris biomass, which was cultivated in pilot-scale tubular photobioreactor biomass was encapsulated by using spray dryer (SD) and response surface I-optimal methods. The independent variables we...
Water Dynamics in Starch Based Confectionery Products including Different Types of Sugar
İlhan, Esmanur; Pocan, Pelin; Kruk, Danuta; Wojciechowski, Milosz; Osuch, Maciej; Markiewicz, Roksana; Jurga, Stefan; Öztop, Halil Mecit (2022-04-01)
Starch-based confectionery products were prepared using different types of sugar. In addition to using different sugar, starch was replaced with soy protein isolate (SPI) in some of the products. H-1 NMR spin-lattice relax...
Diffusion in oils versus their viscosity - Insight from Nuclear Magnetic Resonance relaxometry
Kruk, Danuta; Masiewicz, Elzbieta; Budny, Jaroslaw; Stankiewicz, Aleksandra; Lotarska, Sylwia; Öztop, Halil Mecit; Wieczorek, Zbigniew (2022-03-01)
H-1 Nuclear Magnetic Resonance relaxometry studies have been performed for fifteen kinds of oil. The measurements of H-1 spin-lattice relaxation rates have been carried out in a frequency range encompassing three orders of...
The effects of crosslinking agents on faba bean flour–chitosan-curcumin films and their characterization
Yıldız, Eda; İlhan, Esmanur; Kahyaoğlu, Leyla Nesrin; Şümnü, Servet Gülüm; Öztop, Halil Mecit (2022-03-01)
© 2021 The Authors. Legume Science published by Wiley Periodicals LLC.Although glutaraldehyde (GLU) has been frequently preferred to improve some characteristics of bio-degradable food packages, it is regarded as a hazardo...
Investigation of surface properties of quince seed extract as a novel polymeric surfactant
Kirtil, Emrah; Svitova, Tatyana; Radke, Clayton J.; Öztop, Halil Mecit; Şahin, Serpil (2022-02-01)
© 2021 Elsevier LtdIn recent years, there is a growing trend from both academia and the industry towards the use of “clean-labeled” ingredients obtained from renewable resources. Proteins and polysaccharides, in particular...
Formulation of apple pomace, orange peel, and hazelnut shell mix for co-production of bacterial pectinase and cellulase enzymes by mixture design method
Ozzeybek, Mehlika; Çekmecelioğlu, Deniz (2022-02-01)
The cost of enzyme is high due to mostly pure carbon and nitrogen sources. Thus, there is a still need for exploring alternative feedstock to enhance enzyme production and reduce the cost. In this study, proportions of app...
Nuclear Magnetic Resonance (NMR) study of Palm Kernel Stearin: Effects of cooling rate on crystallization behaviour
Okur, İlhami; Özel, Barış; Akbaş, Derya; İDE, SEMRA; Alpas, Hami; Öztop, Halil Mecit (2022-02-01)
In this study, effects of different cooling rates (0.5,3.3,4.7 and 6.9 degrees C/min) on the crystallization behavior of palm-kernel-stearin (PKS) were studied by low-field NMR relaxometry. According to results, solid fat ...
An investigation of functional quality characteristics and water interactions of navy bean, chickpea, pea, and lentil flours
Grunin, Leonid; Taş, Ozan; Ertuğrul, Ülkü; Öztop, Halil Mecit (2022-01-01)
Legume flours are great sources of protein, dietary fiber, starch, minerals, and vitamins. In recent years, the utilization of different legume flours in food systems has gained attention due to their sustainable and funct...
Enhanced Bioaccessibility By Extrusion Process And Quality Parameters Of Red Pepper Pulp Added Extrudates
Yoldas, Ozge; Caltinoglu-Toraman, Cagla; Şensoy, İlkay; Karakaya, Sibel (2022-01-01)
Only bioaccessible nutrients can be absorbed and used by the body to contribute to health. The study aimed to investigate the effect of extrusion on the in vitro bioaccessibility of β-cryptoxanthin and zeaxanthin in extrud...
Salt and nitrogen amendment and optimization for cellulase and xylanase production using dilute acid hydrolysate of distillers' dried grains with solubles (DDGS) as the feedstock
Iram, Attia; Çekmecelioğlu, Deniz; Demirci, Ali (2022-01-01)
Distillers' dried grains with solubles (DDGS) is a by-product of dry-mill corn ethanol production comprising a high nutritional value due to residual fiber, protein, and lipid contents. The fiber content of DDGS is high en...
Examination of interfacial properties of quince seed extract on a sunflower oil-water interface
Kirtil, Emrah; Kurtkaya, Enis; Svitova, Tatyana; Radke, Clayton J.; Öztop, Halil Mecit; Şahin, Serpil (2021-12-14)
Seeds of the plant quince are a natural hydrocolloid source whose extract has shown promising results in stabilizing emulsions. The study aims to discover how quince seed extract's interfacial properties (dynamic surface t...
Microbial growth and attachment of Salmonella and enterohemorrhagic and enteroaggregative Escherichia coli strains on cress microgreens grown in peat soil system
Namlı, Şahin; Samut, Hilal; Soyer, Yeşim (2021-12-01)
Purpose This study aimed to investigate how enteric pathogens and their biofilm populations on fresh produce survive according to time that contamination has occurred on leaves and contamination route: seed irrigation wate...
Use of magic sandwich echo and fast field cycling NMR relaxometry on honey adulteration with corn syrup
Berk, Berkay; Cavdaroglu, Cagri; Grunin, Leonid; Ardelean, Ioan; Kruk, Danuta; MAZI, BEKİR GÖKÇEN; Öztop, Halil Mecit (2021-11-01)
BACKGROUND Adulteration is defined as the intentional addition of a material that is not a part of the nature. In this study, a non-conventional time domain nuclear magnetic resonance (TD-NMR) pulse sequence: magic sandwic...
Effects of psyllium fiber on in vitro digestion and structure of different types of starches
Sevilmis, Basak; Şensoy, İlkay (2021-11-01)
BACKGROUND: Starch digestibility in foods strongly depends on the structure, other ingredients and processing conditionsused. This study aimed to investigate the effect of psylliumfiber on gelatinization, crystallinity and...
Screening of bacterial and fungal strains for cellulase and xylanase production using distillers' dried grains with solubles (DDGS) as the main feedstock
Iram, Attia; Çekmecelioğlu, Deniz; Demirci, Ali (2021-10-01)
Bioenergy is one of the most promising solutions for the environmental problems of using non-renewable energy resources. Bioethanol is a form of bioenergy produced from food crops, such as corn, wheat, and sugarcane. Disti...
Hydrocolloid coated oleosomes for development of oleogels
Mert, Behiç (2021-10-01)
Oleosomes are a micron sized mass of oil droplets enclosed by a specific membrane of protein-phospholipid mixtures typically found in plants and microorganisms to serve as an energy reserve for potential needs. Interest in...
Pea protein properties are altered following glycation by microwave heating
Ertuğrul, Ülkü; Namlı, Serap; Taş, Ozan; Şümnü, Servet Gülüm; Öztop, Halil Mecit (2021-10-01)
Pea protein is often used in protein enriched diets due to its nutritional properties. Modifying its properties has been studied from many perspectives. Glycation, a non-enzymatic glycosylation reaction of proteins, is one...
Effects of psyllium and cellulose fibres on thermal, structural, and in vitro digestion behaviour of wheat starch
Atac, Leyla Elif; Şensoy, İlkay (2021-10-01)
The study investigated the effects of adding different types of fibre (psyllium and cellulose) on in vitro digestion behaviour of wheat starch with its thermal and structural properties. Psyllium and cellulose fibres inter...
Heat and mass transfer modeling of microwave infrared cooking of zucchini based on Lambert law
Yazicioglu, Nalan; Şümnü, Servet Gülüm; Şahin, Serpil (2021-10-01)
In this study, the change in the temperature and moisture content of zucchini cooked in microwave and infrared combination oven were modeled by finite element method. The exact form of Lambert law was used to predict the m...
Water Dynamics in Whey-Protein-Based Composite Hydrogels by Means of NMR Relaxometry
Özel, Barış; Wojciechowski, Milosz; Osuch, Maciej; Oztop, Mecit Halil (2021-09-01)
Whey-protein-isolate-based composite hydrogels with encapsulated black carrot (Daucus carota) extract were prepared by heat-induced gelation. The hydrogels were blended with gum tragacanth, pectin and xanthan gum polysacch...
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