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Dr. Giorgiana Catunescu
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania

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0 Microbiology
0 Process Design
0 food risk assessment
0 food biotechnologies
0 preserving methods

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Journal article
Published: 24 June 2021 in Polymers
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Bacterial cellulose (BC) is a natural polymer with properties suitable for tissue engineering and possible applications in scaffold production. However, current procedures have limitations in obtaining BC pellicles with the desired structural, physical, and mechanical properties. Thus, this study analyzed the optimal culture conditions of BC membranes and two types of processing: draining and oven-drying. The aim was to obtain BC membranes with properties suitable for a wound dressing material. Two studies were carried out. In the preliminary study, the medium (100 mL) was inoculated with varying volumes (1, 2, 3, 4, and 5 mL) and incubated statically for different periods (3, 6, 9, 12, and 18 days), using a full factorial experimental design. Thickness, uniformity, weight, and yield were evaluated. In the optimization study, a Box–Behnken design was used. Two independent variables were used: inoculum volume (X1: 1, 3, and 5 mL) and fermentation period (X2: 6, 12, and 18 d) to determine the target response variables: thickness, swelling ratio, drug release, fiber diameter, tensile strength, and Young’s modulus for both dry and moist BC membranes. The mathematical modelling of the effect of the two independent variables was performed by response surface methodology (RSM). The obtained models were validated with new experimental values and confirmed for all tested properties, except Young’s modulus of oven-dried BC. Thus, the optimal properties in terms of a scaffold material of the moist BC were obtained with an inoculum volume of 5% (v/v) and 16 d of fermentation. While, for the oven-dried membranes, optimal properties were obtained with a 4% (v/v) and 14 d of fermentation.

ACS Style

Ioana M. Bodea; Florin I. Beteg; Carmen R. Pop; Adriana P. David; Mircea Cristian Dudescu; Cristian Vilău; Andreea Stănilă; Ancuța M. Rotar; Giorgiana M. Cătunescu. Optimization of Moist and Oven-Dried Bacterial Cellulose Production for Functional Properties. Polymers 2021, 13, 2088 .

AMA Style

Ioana M. Bodea, Florin I. Beteg, Carmen R. Pop, Adriana P. David, Mircea Cristian Dudescu, Cristian Vilău, Andreea Stănilă, Ancuța M. Rotar, Giorgiana M. Cătunescu. Optimization of Moist and Oven-Dried Bacterial Cellulose Production for Functional Properties. Polymers. 2021; 13 (13):2088.

Chicago/Turabian Style

Ioana M. Bodea; Florin I. Beteg; Carmen R. Pop; Adriana P. David; Mircea Cristian Dudescu; Cristian Vilău; Andreea Stănilă; Ancuța M. Rotar; Giorgiana M. Cătunescu. 2021. "Optimization of Moist and Oven-Dried Bacterial Cellulose Production for Functional Properties." Polymers 13, no. 13: 2088.

Preprint content
Published: 04 February 2021
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Bacterial cellulose (BC) is a natural polymer with properties suitable for tissue engineering and possible applications in scaffold production. However, current procedures have limitations in obtaining BC pellicles with the desired structural, physical, and mechanical properties. Thus, this study analyzed the optimal culture conditions of BC membranes and 2 types of processing: draining and oven-drying. The aim was to obtain BC membranes with properties suitable for a wound dressing material. Two studies were carried out. In the preliminary study the medium (100 mL) was inoculated with varying volumes (1; 2; 3; 4; and 5 mL) and incubated statically for different periods (3; 6; 9; 12; and 18 days), using a full factorial experimental design. Thickness, uniformity, weight, and yield were evaluated. In the optimization study, a Box–Behnken design was used. Two independent variables were used: inoculum volume (X1: 1; 3; and 5 mL) and fermentation period (X2: 6; 12; and 18 d) to determine the target response variables: thickness, swelling ratio, drug release, fiber diameter, Tensile strength, and Young's Modulus for both dry and moist BC membranes. The mathematical modelling of the effect of the 2 independent variables was accomplished by response surface methodology (RSM). The obtained models were validated with new experimental values, and confirmed for all tested properties, except Young Modulus of oven-dried BC. Thus, the optimal properties in terms of a scaffold material of the moist BC were obtained with an inoculum volume of 5% (v/v) and 16 d of fermentation. While, for the oven-dried membranes a 4% (v/v) and 14 d of fermentation.

ACS Style

Ioana Maria Bodea; Florin Ioan Beteg; Carmen Rodica Pop; Adriana Paula David; Mircea Cristian Dudescu; Cristian Vilău; Andreea Stănilă; Ancuța Mihaela Rotar; Giorgiana Mihaela Catunescu. Optimization of moist and oven-dried bacterial cellulose production for functional properties. 2021, 1 .

AMA Style

Ioana Maria Bodea, Florin Ioan Beteg, Carmen Rodica Pop, Adriana Paula David, Mircea Cristian Dudescu, Cristian Vilău, Andreea Stănilă, Ancuța Mihaela Rotar, Giorgiana Mihaela Catunescu. Optimization of moist and oven-dried bacterial cellulose production for functional properties. . 2021; ():1.

Chicago/Turabian Style

Ioana Maria Bodea; Florin Ioan Beteg; Carmen Rodica Pop; Adriana Paula David; Mircea Cristian Dudescu; Cristian Vilău; Andreea Stănilă; Ancuța Mihaela Rotar; Giorgiana Mihaela Catunescu. 2021. "Optimization of moist and oven-dried bacterial cellulose production for functional properties." , no. : 1.

Journal article
Published: 02 June 2020 in Antioxidants
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Anthocyanins are extensively studied for their health-related properties, including antibacterial activity against urinary tract infections (UTI). Among common fruits, blueberries, with their remarkable antioxidant capacity, are one of the richest sources. Anthocyanin-rich extracts were obtained from four varieties: Snowchaser, Star, Stella Blue and Cristina Blue, grown in the hot climate of Southern Spain. Their total anthocyanins contents (TAC) were determined spectrophotometrically, and the anthocyanin profile by ultra high performance liquid chromatography—tandem mass spectrometer (UHPLC-MS/MS). Their antioxidant activity was assessed by oxygen radical absorbance capacity (ORAC) assay, while antibacterial activity against strains isolated from UTI patients was assessed in vitro, helping to select the varieties with the highest bioactive potential. Star showed the highest TAC and antioxidant activity (1663 ± 159 mg of cyanidin-3-O-glucoside (cy-3-O-glu) equivalents/100 g fresh weight (FW), 6345 ± 601 μmol Trolox equivalents (TE)/100 g FW, respectively), followed by Cristina Blue, Stella Blue and Snowchaser. As far as we know, this is the first time that cyanidin-3-rutinoside has been identified in blueberries. The extracts inhibited all the tested strains, MICs ranging from 0.4 mg/mL (for Stella Blue extract against UTI P. aeruginosa) to 9.5 mg/mL (for all extracts against UTI K. pneumoniae ssp. pneumoniae). This is the first study that assessed in vitro the antibacterial activity of blueberries against Klebsiella pneumoniae, Providencia stuartii and Micrococcus spp. strains isolated from UTI.

ACS Style

Ana B. Cerezo; Giorgiana M. Cătunescu; Mercedes Martínez-Pais González; Ruth Hornedo-Ortega; Carmen R. Pop; Crina Claudia Rusu; Flore Chirilă; Ancuța M. Rotar; M. Carmen Garcia-Parrilla; Ana M. Troncoso. Anthocyanins in Blueberries Grown in Hot Climate Exert Strong Antioxidant Activity and May Be Effective against Urinary Tract Bacteria. Antioxidants 2020, 9, 1 .

AMA Style

Ana B. Cerezo, Giorgiana M. Cătunescu, Mercedes Martínez-Pais González, Ruth Hornedo-Ortega, Carmen R. Pop, Crina Claudia Rusu, Flore Chirilă, Ancuța M. Rotar, M. Carmen Garcia-Parrilla, Ana M. Troncoso. Anthocyanins in Blueberries Grown in Hot Climate Exert Strong Antioxidant Activity and May Be Effective against Urinary Tract Bacteria. Antioxidants. 2020; 9 (6):1.

Chicago/Turabian Style

Ana B. Cerezo; Giorgiana M. Cătunescu; Mercedes Martínez-Pais González; Ruth Hornedo-Ortega; Carmen R. Pop; Crina Claudia Rusu; Flore Chirilă; Ancuța M. Rotar; M. Carmen Garcia-Parrilla; Ana M. Troncoso. 2020. "Anthocyanins in Blueberries Grown in Hot Climate Exert Strong Antioxidant Activity and May Be Effective against Urinary Tract Bacteria." Antioxidants 9, no. 6: 1.

Journal article
Published: 26 May 2020 in Toxins
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Cylindrospermopsin (CYN) and microcystins (MC) are cyanotoxins that can occur simultaneously in contaminated water and food. CYN/MC-LR mixtures previously investigated in vitro showed an induction of micronucleus (MN) formation only in the presence of the metabolic fraction S9. When this is the case, the European Food Safety Authority recommends a follow up to in vivo testing. Thus, rats were orally exposed to 7.5 + 75, 23.7 + 237, and 75 + 750 μg CYN/MC-LR/kg body weight (b.w.). The MN test in bone marrow was performed, and the standard and modified comet assays were carried out to measure DNA strand breaks or oxidative DNA damage in stomach, liver, and blood cells. The results revealed an increase in MN formation in bone marrow, at all the assayed doses. However, no DNA strand breaks nor oxidative DNA damage were induced, as shown in the comet assays. The histopathological study indicated alterations only in the highest dose group. Liver was the target organ showing fatty degeneration and necrotic hepatocytes in centrilobular areas, as well as a light mononuclear inflammatory periportal infiltrate. Additionally, the stomach had flaking epithelium and mild necrosis of epithelial cells. Therefore, the combined exposure to cyanotoxins may induce genotoxic and histopathological damage in vivo.

ACS Style

Leticia Díez-Quijada; Concepción Medrano-Padial; María Llana-Ruiz-Cabello; Giorgiana M. Cătunescu; Rosario Moyano; Maria A. Risalde; Ana M. Cameán; Ángeles Jos. Cylindrospermopsin-Microcystin-LR Combinations May Induce Genotoxic and Histopathological Damage in Rats. Toxins 2020, 12, 348 .

AMA Style

Leticia Díez-Quijada, Concepción Medrano-Padial, María Llana-Ruiz-Cabello, Giorgiana M. Cătunescu, Rosario Moyano, Maria A. Risalde, Ana M. Cameán, Ángeles Jos. Cylindrospermopsin-Microcystin-LR Combinations May Induce Genotoxic and Histopathological Damage in Rats. Toxins. 2020; 12 (6):348.

Chicago/Turabian Style

Leticia Díez-Quijada; Concepción Medrano-Padial; María Llana-Ruiz-Cabello; Giorgiana M. Cătunescu; Rosario Moyano; Maria A. Risalde; Ana M. Cameán; Ángeles Jos. 2020. "Cylindrospermopsin-Microcystin-LR Combinations May Induce Genotoxic and Histopathological Damage in Rats." Toxins 12, no. 6: 348.

Journal article
Published: 21 February 2020 in Environmental Research
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The aim of this study was to optimize the extraction conditions of Microcystin-LR (MC-LR), Microcystin-RR (MC-RR), Microcystin-YR (MC-YR) and Cylindrospermopsin (CYN) simultaneously from mussels by using response surface methodology (RSM) and to validate the method by a dual solid phase extraction (SPE) system combined with ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The optimal parameters were: 90% MeOH (% v/v) for the extraction, a solvent/sample ratio of 75 and 15% MeOH in the extract before loading onto SPE. Mussels were spiked at 10; 37.5 and 75 ng g−1 fresh weight (f.w) of the 4 toxins, showing linear ranges of 0.5–75 ng g−1 f.w; low values for the limits of detection (0.01–0.39 ng g−1 f.w.) and quantification (0.23–0.40 ng g−1 f.w.); acceptable recoveries (70.37–114.03%) and relative standard deviation (%RSDIP) values (2.61–13.73%). The method was successfully applied to edible mussels exposed to cyanobacterial extracts under laboratory conditions, and it could allow the monitoring of these cyanotoxins in environmental mussel samples.

ACS Style

Leticia Díez-Quijada Jiménez; Remedios Guzmán-Guillén; Giorgiana M. Cătunescu; Alexandre Campos; Vitor Vasconcelos; Ángeles Jos; Ana M. Cameán. A new method for the simultaneous determination of cyanotoxins (Microcystins and Cylindrospermopsin) in mussels using SPE-UPLC-MS/MS. Environmental Research 2020, 185, 109284 .

AMA Style

Leticia Díez-Quijada Jiménez, Remedios Guzmán-Guillén, Giorgiana M. Cătunescu, Alexandre Campos, Vitor Vasconcelos, Ángeles Jos, Ana M. Cameán. A new method for the simultaneous determination of cyanotoxins (Microcystins and Cylindrospermopsin) in mussels using SPE-UPLC-MS/MS. Environmental Research. 2020; 185 ():109284.

Chicago/Turabian Style

Leticia Díez-Quijada Jiménez; Remedios Guzmán-Guillén; Giorgiana M. Cătunescu; Alexandre Campos; Vitor Vasconcelos; Ángeles Jos; Ana M. Cameán. 2020. "A new method for the simultaneous determination of cyanotoxins (Microcystins and Cylindrospermopsin) in mussels using SPE-UPLC-MS/MS." Environmental Research 185, no. : 109284.

Journal article
Published: 01 November 2019 in LWT - Food Science and Technology
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ACS Style

Giorgiana M. Cătunescu; Mircea Muntean; Ovidiu Marian; Adriana Paula David; Ancuța M. Rotar. Comparative effect of gamma irradiation, drying and freezing on sensory, and hygienic quality of parsley leaves. LWT - Food Science and Technology 2019, 115, 1 .

AMA Style

Giorgiana M. Cătunescu, Mircea Muntean, Ovidiu Marian, Adriana Paula David, Ancuța M. Rotar. Comparative effect of gamma irradiation, drying and freezing on sensory, and hygienic quality of parsley leaves. LWT - Food Science and Technology. 2019; 115 ():1.

Chicago/Turabian Style

Giorgiana M. Cătunescu; Mircea Muntean; Ovidiu Marian; Adriana Paula David; Ancuța M. Rotar. 2019. "Comparative effect of gamma irradiation, drying and freezing on sensory, and hygienic quality of parsley leaves." LWT - Food Science and Technology 115, no. : 1.

Journal article
Published: 01 September 2019 in EFSA Journal
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The programme aimed at training the fellow in the risk assessment guidelines proposed by the EFSA in the field of contaminants, food contact materials, technological ingredients and nutritional risks. It had a modular ‘learning by doing’ approach and a balanced learning/case studies and theory. Module 1 offered an insight into chemical risk assessment and conferred transferable skills for a proper application of the framework. The hands‐on activities consisted of three case studies that went from a simple exercise on an official opinion, to working in a team with experts to produce a new opinion, to an individual work to obtain a publishable review manuscript. Module 2 was a training in experimental toxicology designed to create a toxicological basis and to enable the fellow to perform toxicological studies for risk assessment purposes. She joined the team working on cyanotoxins, gained experience with both EFSA and Organization of Economic Cooperation and Development (OECD) guidelines on genotoxicity and an insight into the developing of analytical methods suitable for risk assessment purposes. During module 3, the fellow was trained in nutritional risk assessment and involved in experimental work in chemical characterisation, biomarkers and mechanisms of action of bioactive compounds. This developed the critical perspective when assessing nutritional and health claims related the design of experiments, methods used, interpretation of results and human relevance. Module 4 provided a ‘hand‐on experience’ in scientific risk communication as the fellow was encouraged and supported in the participation at local, national and international workshops and congresses presenting the outcomes of the three modules. Thus, the fellow was successfully integrated in the day‐by‐day workflow of the department, gaining first‐hand practical experience in risk assessment in a multicultural and interdisciplinary context. This enabled a productive exchange of good practices and contributed to building a European risk assessment community.

ACS Style

Giorgiana Catunescu; Ana M Troncoso; Angeles Jos. Risk assessment methodologies in the field of contaminants, food contact materials, technological ingredients and nutritional risks. EFSA Journal 2019, 17, e170911 .

AMA Style

Giorgiana Catunescu, Ana M Troncoso, Angeles Jos. Risk assessment methodologies in the field of contaminants, food contact materials, technological ingredients and nutritional risks. EFSA Journal. 2019; 17 ():e170911.

Chicago/Turabian Style

Giorgiana Catunescu; Ana M Troncoso; Angeles Jos. 2019. "Risk assessment methodologies in the field of contaminants, food contact materials, technological ingredients and nutritional risks." EFSA Journal 17, no. : e170911.

Journal article
Published: 03 July 2019 in Food and Chemical Toxicology
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Cylindrospermopsin (CYN) is a potent cyanotoxin recognized as an emerging human threat due to its cytotoxicity and potential carcinogenicity. Although the genotoxicity of CYN has been extensively studied in vitro, limited data are available on its in vivo genotoxicity. The aim of this study was to evaluate the in vivo genotoxicity of pure CYN (7.5–75 μg/kg body weight) after oral exposure of rats through a combined assay of the micronucleus test (MN) in bone marrow, and the standard and modified comet assay in stomach, liver and blood. Also, histopathological changes in stomach and liver were evaluated. Positive results in the MN test were observed in bone marrow in the exposed rats at all the tested concentrations. However, the comet assay revealed that CYN did not induce DNA strand breaks nor oxidative DNA damage in any of the tissues investigated. Finally, histopathological changes were observed in stomach and liver (7.5–75 μg/kg) in intoxicated rats. These results could indicate that CYN is able to induce irritation in stomach before its biotransformation in rats orally exposed, and genotoxicity in bone marrow.

ACS Style

Leticia Díez-Quijada; Maria Llana-Ruiz-Cabello; Giorgiana M. Cătunescu; María Puerto; Rosario Moyano; Angeles Jos; Ana M. Cameán. In vivo genotoxicity evaluation of cylindrospermopsin in rats using a combined micronucleus and comet assay. Food and Chemical Toxicology 2019, 132, 110664 .

AMA Style

Leticia Díez-Quijada, Maria Llana-Ruiz-Cabello, Giorgiana M. Cătunescu, María Puerto, Rosario Moyano, Angeles Jos, Ana M. Cameán. In vivo genotoxicity evaluation of cylindrospermopsin in rats using a combined micronucleus and comet assay. Food and Chemical Toxicology. 2019; 132 ():110664.

Chicago/Turabian Style

Leticia Díez-Quijada; Maria Llana-Ruiz-Cabello; Giorgiana M. Cătunescu; María Puerto; Rosario Moyano; Angeles Jos; Ana M. Cameán. 2019. "In vivo genotoxicity evaluation of cylindrospermopsin in rats using a combined micronucleus and comet assay." Food and Chemical Toxicology 132, no. : 110664.

Review
Published: 01 January 2019 in Acta Veterinaria Brno
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Tissue engineering promotes tissue regeneration through biomaterials that have excellent properties and have the potential to replace tissues. Many studies show that bacterial cellulose (BC) might ensure tissue regeneration and substitution, being used for the bioengineering of hard, cartilaginous and soft tissues. Bacterial cellulose is extensively used as wound dressing material and results show that BC is a promising tissue scaffold (bone, cardiovascular, urinary tissue). It can be combined with polymeric and non-polymeric compounds to acquire antimicrobial, cell-adhesion and proliferation properties. To ensure proper tissue regeneration, the material has to be: biocompatible, with minimum tissue reaction and biodegradability; bio-absorbable, to promote tissue development, cellular interaction and grow; resistant to support the weight of the newly formed tissue. Its versatile structure, physical and biochemical properties can be adjusted by adapting the bacteria culturing conditions. The main biomedical applications seem to be as hard (bone, dental), fibrocartilaginous (meniscal) and soft tissue (skin, cardiovascular, urinary) substituents. This paper reviews the current state of knowledge, challenges and future applications of BC and its biomedical potential in veterinary medicine. It was focused on the main uses in regeneration and scaffold tissue replacement and, although BC showed promising results, there is a lack of successful results of BC use in clinical practice. Most studies were performed only at experimental level and further research is needed for BC to enter clinical veterinary practice.

ACS Style

Ioana Maria Bodea; Giorgiana Catunescu; Teodor Florian Stroe; Sonia Alexandra Dîrlea; Florin Ioan Beteg. Applications of bacterial-synthesized cellulose in veterinary medicine – a review. Acta Veterinaria Brno 2019, 88, 451 -471.

AMA Style

Ioana Maria Bodea, Giorgiana Catunescu, Teodor Florian Stroe, Sonia Alexandra Dîrlea, Florin Ioan Beteg. Applications of bacterial-synthesized cellulose in veterinary medicine – a review. Acta Veterinaria Brno. 2019; 88 (4):451-471.

Chicago/Turabian Style

Ioana Maria Bodea; Giorgiana Catunescu; Teodor Florian Stroe; Sonia Alexandra Dîrlea; Florin Ioan Beteg. 2019. "Applications of bacterial-synthesized cellulose in veterinary medicine – a review." Acta Veterinaria Brno 88, no. 4: 451-471.

Journal article
Published: 21 December 2018 in LWT
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Cranberries (Vaccinium spp.) are rich sources of phytochemicals, but their bioactivity depends on cultivar, harvesting time, processing, or extraction procedure. Thus, a wider variety of subspecies needs to be characterized, and the effects of treatments prior to consumption or extraction need to be determined. This study aims to phytochemically characterize pre-treated (fresh, frozen, and dried) Transylvanian cranberries (Vaccinium vitis-idea L.) and to evaluate their bioactivity. The profile and content of individual anthocyanins were analyzed by HPLC-PDA, total phenolics and flavonoids were determined spectrophotometrically, and antioxidant activity was evaluated by ABTS+ radical cation assay. Their antibacterial activity against Staphylococcus aureus, Escherichia coli, and Salmonella Typhimurium was assessed by disk diffusion. Total identified anthocyanins ranged from 11.14 to 123.02 mg cyanidin-3-O-galactoside/100 g fresh weight. Cranberries were rich in polyphenols and flavonoids, with the highest content in fresh berries; they inhibited E. coli and S. Typhimurium. Freezing enhanced their antibacterial activity. The significance of this study lies in the evaluation of how pre-treatments affect some novel natural food-grade antimicrobials from cranberries with the potential to replace synthetic food preservatives and to deliver phytochemicals with health benefits.

ACS Style

Giorgiana M. Cătunescu; Ancuța M. Rotar; Carmen Rodica Pop; Zorita Diaconeasa; Florina Bunghez; Maria-Ioana Socaciu; Cristina Anamaria Semeniuc. Influence of extraction pre-treatments on some phytochemicals and biological activity of Transylvanian cranberries (Vaccinium vitis-idea L.). LWT 2018, 102, 385 -392.

AMA Style

Giorgiana M. Cătunescu, Ancuța M. Rotar, Carmen Rodica Pop, Zorita Diaconeasa, Florina Bunghez, Maria-Ioana Socaciu, Cristina Anamaria Semeniuc. Influence of extraction pre-treatments on some phytochemicals and biological activity of Transylvanian cranberries (Vaccinium vitis-idea L.). LWT. 2018; 102 ():385-392.

Chicago/Turabian Style

Giorgiana M. Cătunescu; Ancuța M. Rotar; Carmen Rodica Pop; Zorita Diaconeasa; Florina Bunghez; Maria-Ioana Socaciu; Cristina Anamaria Semeniuc. 2018. "Influence of extraction pre-treatments on some phytochemicals and biological activity of Transylvanian cranberries (Vaccinium vitis-idea L.)." LWT 102, no. : 385-392.

Journal article
Published: 01 March 2017 in Radiation Physics and Chemistry
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ACS Style

Giorgiana M. Cătunescu; Ioan Rotar; Roxana Vidican; Florina Bunghez; Ancuta Mihaela Rotar. Gamma radiation enhances the bioactivity of fresh parsley (Petroselinum crispum (Mill.) Fuss Var. Neapolitanum). Radiation Physics and Chemistry 2017, 132, 22 -29.

AMA Style

Giorgiana M. Cătunescu, Ioan Rotar, Roxana Vidican, Florina Bunghez, Ancuta Mihaela Rotar. Gamma radiation enhances the bioactivity of fresh parsley (Petroselinum crispum (Mill.) Fuss Var. Neapolitanum). Radiation Physics and Chemistry. 2017; 132 ():22-29.

Chicago/Turabian Style

Giorgiana M. Cătunescu; Ioan Rotar; Roxana Vidican; Florina Bunghez; Ancuta Mihaela Rotar. 2017. "Gamma radiation enhances the bioactivity of fresh parsley (Petroselinum crispum (Mill.) Fuss Var. Neapolitanum)." Radiation Physics and Chemistry 132, no. : 22-29.

Journal article
Published: 15 October 2016 in Agriculture and Agricultural Science Procedia
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The paper aimed to present high pressure processing of food used to process liquid and solid foods with a high content of moisture. When using high pressure processing, microorganisms are destroyed, but covalent bonds do not break and the effect on processed food is minimal. In addition, the positive effect consists of the avoidance of excessive thermal treatments and chemical preservatives. High pressure has a small effect on low-molecular-weight compounds such as flavor compounds, vitamins, and pigments compared to thermal processes. Therefore, the quality of high pressure pasteurized food is very similar to that of fresh food products. The quality of foodstuffs during their shelf life is influenced to a greater extent by subsequent distribution and storage temperatures or by packaging rather than by the pressure treatment itself. Food products can be HPP in a batch system or a semi-continuous process. During HPP, the pressure is applied uniformly and simultaneously in all directions. After HPP the food will not return to its original size and shape due to pressure differences between the compressibility of air and water, unless the food is perfectly elastic. Pressure is instantaneously and uniformly transmitted independent of the size and geometry of food. Resultant pressure regulates most subsequent biochemical reactions occurring in treated products. This article provides an overview of current technology status.

ACS Style

Mircea-Valentin Muntean; Ovidiu Marian; Victor Barbieru; Giorgiana M. Cătunescu; Ovidiu Ranta; Ioan Drocas; Sorin Terhes. High Pressure Processing in Food Industry – Characteristics and Applications. Agriculture and Agricultural Science Procedia 2016, 10, 377 -383.

AMA Style

Mircea-Valentin Muntean, Ovidiu Marian, Victor Barbieru, Giorgiana M. Cătunescu, Ovidiu Ranta, Ioan Drocas, Sorin Terhes. High Pressure Processing in Food Industry – Characteristics and Applications. Agriculture and Agricultural Science Procedia. 2016; 10 ():377-383.

Chicago/Turabian Style

Mircea-Valentin Muntean; Ovidiu Marian; Victor Barbieru; Giorgiana M. Cătunescu; Ovidiu Ranta; Ioan Drocas; Sorin Terhes. 2016. "High Pressure Processing in Food Industry – Characteristics and Applications." Agriculture and Agricultural Science Procedia 10, no. : 377-383.

Journal article
Published: 15 October 2016 in Agriculture and Agricultural Science Procedia
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ACS Style

Ovidiu Marian; Mircea Valentin Muntean; Ioan Drocaş; Ovidiu Ranta; Adrian Molnar; Giorgiana M. Cătunescu; Victor Bărbieru. Assessment Method of Coverage Degree for Pneumatic Sprayers Used in Orchards. Agriculture and Agricultural Science Procedia 2016, 10, 47 -54.

AMA Style

Ovidiu Marian, Mircea Valentin Muntean, Ioan Drocaş, Ovidiu Ranta, Adrian Molnar, Giorgiana M. Cătunescu, Victor Bărbieru. Assessment Method of Coverage Degree for Pneumatic Sprayers Used in Orchards. Agriculture and Agricultural Science Procedia. 2016; 10 ():47-54.

Chicago/Turabian Style

Ovidiu Marian; Mircea Valentin Muntean; Ioan Drocaş; Ovidiu Ranta; Adrian Molnar; Giorgiana M. Cătunescu; Victor Bărbieru. 2016. "Assessment Method of Coverage Degree for Pneumatic Sprayers Used in Orchards." Agriculture and Agricultural Science Procedia 10, no. : 47-54.

Journal article
Published: 09 April 2015 in Notulae Botanicae Horti Agrobotanici Cluj-Napoca
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The probiotic properties and the viability of lactic acid bacteria of fermented dairy products can be improved by addition of bioactive compounds originating from natural sources (e.g. goji berries). This study aimed to evaluate how goji berries and honey affect the sensorial quality of yoghurt, the chemical properties, the viability of lactic acid bacteria (LAB) and the concurrent microflora development. Two types of yoghurts (yoghurt with goji berries and yoghurt with honey and goji berries) were developed. The addition of honey affected the entire yoghurt microflora including LAB, manifesting bactericidal effect. The addition of goji berries maintained the viability of LAB at probiotic levels (106-107 log CFU/ml) during 21 days of storage; compared to classic yoghurt, LAB viability decreased during storage at 103 log CFU/ml. Goji berries also improved sensory acceptance of consumers. The results obtained in this study collect information that enables the use of goji berries as enhancer of probiotic levels in yoghurt, while honey can provide bacteriostatic/bactericidal effect for contaminants.

ACS Style

Ancuța M. Rotar; Dan Cristian Vodnar; Florina Bunghez; Giorgiana Mihaela Cătunescu; Carmen R. Pop; Mirela Jimborean; Cristina A. Semeniuc. Effect of Goji Berries and Honey on Lactic Acid Bacteria Viability and Shelf Life Stability of Yoghurt. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 2015, 43, 196 -203.

AMA Style

Ancuța M. Rotar, Dan Cristian Vodnar, Florina Bunghez, Giorgiana Mihaela Cătunescu, Carmen R. Pop, Mirela Jimborean, Cristina A. Semeniuc. Effect of Goji Berries and Honey on Lactic Acid Bacteria Viability and Shelf Life Stability of Yoghurt. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 2015; 43 (1):196-203.

Chicago/Turabian Style

Ancuța M. Rotar; Dan Cristian Vodnar; Florina Bunghez; Giorgiana Mihaela Cătunescu; Carmen R. Pop; Mirela Jimborean; Cristina A. Semeniuc. 2015. "Effect of Goji Berries and Honey on Lactic Acid Bacteria Viability and Shelf Life Stability of Yoghurt." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 43, no. 1: 196-203.