Hami Alpas

E-mail

imah@metu.edu.tr

Department

Department of Food Engineering

ORCID

0000-0002-7683-8796

Scopus Author ID

55918892400

Web of Science Researcher ID

A-1457-2017

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 ...
Valorization of Apple Pomace Via Single Cell Oil Production Using Oleaginous Yeast Rhodosporidium toruloides Tuhanioglu, Arda; Hamamcı, Haluk; Alpas, Hami; Çekmecelioğlu, Deniz (2022-01-01) © 2022, The Author(s), under exclusive licence to Springer Nature B.V.Apple pomace was used as a sole raw material for single cell oil (SCO) production by the oleaginous yeast Rhodosporidium toruloides DSM 4444. Preliminar...
Emerging Technologies of Oil in Water Emulsions: Principles, Recent Advances, and Trends Okur, İlhami; Alpas, Hami (NOVA Science Publishers Inc., 2021-06-01)
High hydrostatic pressure assisted extraction of pectin from sugar beet pulp Kaya, Burcu; Okur, İlhami; Alpas, Hami; Oztop, Mecit Halil (2021-05-01) This study aimed to investigate the effect of high hydrostatic pressure assisted extraction (HHPE) (250, 350 and 450 MPa at 40 degrees C for 5 min with/without acid addition) of pectin from sugar beet pulp and compare its ...
Use of high hydrostatic pressure (HHP) for increasing the product yield of lignocellulosic biomass hydrolysis: A study for peanut hull and microcrystalline cellulose Öztürk, Eylül; Öztop, Halil Mecit; Alpas, Hami (2021-04-01) Cellulase activity is a critical parameter for generating alternative renewable fuels. For observing this activity, Avicel (microcrystalline cellulose) is a widely used substrate. As lignocellulosic biomass in nature, pean...
Effect of high-pressure processing (HPP) on production and characterization of chia seed oil nanoemulsions Kaya, Eda Ceren; Öztop, Halil Mecit; Alpas, Hami (2021-04-01) © 2021 Elsevier LtdChia seed is a good source of protein, carbohydrate, fat, dietary fiber, antioxidants and contain poly unsaturated fatty acids (PUFA) higher than any other seed-based food sources. In this study, the ext...
Effects of High Hydrostatic Pressure assisted degreasing on the technological properties of insect powders obtained from Acheta domesticus & Tenebrio molitor Bolat, Berkay; Ugur, Ahmet Erdem; Öztop, Halil Mecit; Alpas, Hami (Elsevier BV, 2021-03-01) © 2020 Elsevier LtdIn this study, two edible insect species; Acheta domesticus (house cricket) and Tenebrio molitor (yellow mealworm) were defatted using different extraction methods and characterized afterwards. The main ...
Using high hydrostatic pressure as an abiotic elicitor strategy for improving capsaicin production in free and immobilized cell suspension cultures of Capsicum annuum L. Islek, Cemil; KOÇ, ESRA; ALTUNER, ERGİN MURAT; Alpas, Hami (2021-03-01) In this study, the effects of immobilization and high hydrostatic pressure (HHP) on capsaicin production in cell suspension culture of pepper seeds at different application times were investigated. Callus cultures were obt...
Improving the Recovery of Phenolic Compounds from Spent Coffee Grounds (SCG) by Environmentally Friendly Extraction Techniques Okur, İlhami; Söyler, Ulviye Betül; Öztop, Halil Mecit; Alpas, Hami (MDPI AG, 2021-1-25) The aim of this study was to investigate and compare the effects of different extraction techniques (high hydrostatic pressure-assisted extraction (HHPE), ultrasound-assisted extraction (UAE), and classical solvent extract...
Recent advances in gelatinisation and retrogradation of starch by high hydrostatic pressure Okur, İlhami; Öztop, Halil Mecit; Alpas, Hami (2021-01-01) © 2021 Institute of Food Science and TechnologyStarch is the major polysaccharide following cellulose, but native starch has limited application due to physicochemical and functional properties. To handle such problems, st...

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