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Kozono L, Fenoglio D, Ferrario M, Guerrero S. Inactivation of Alicyclobacillus acidoterrestris spores, single or composite Escherichia coli and native microbiota in isotonic fruit-flavoured sports drinks processed by UV-C light. Int J Food Microbiol 2023; 386:110024. [PMID: 36446270 DOI: 10.1016/j.ijfoodmicro.2022.110024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 11/13/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022]
Abstract
Pasteurized sports drinks and other fruit-based beverages are susceptible to deterioration due to thermal processing ineffectiveness to inactivate certain spoilage microorganisms, like Alicyclobacillus acidoterrestris. This represents a major challenge for the beverage industry. The goals of this study were to: i) investigate the UV-C inactivation (annular thin film unit, actinometrical delivered fluence: 795-1270 mJ/cm2, 10-15 min, 20 °C, 1.8 L/h, Reh = 391-1067, recirculation mode operation) and the evolution during refrigerated storage of A. acidoterrestris ATCC 49025 spores and single or composite Escherichia coli ATCC 25922 in isotonic sports drinks (ISDs) made from orange (orange-ISD, UVT% = 81) or orange-banana-mango-kiwi-strawberry-lemon juices (multi-fruit-ISD, UVT% = 91), compared to a turbid orange-tangerine juice (OT juice, UVT% = 40); ii) assess the effect of pH, °Brix, A254nm, turbidity, colour and particle size of the ISDs and juice on microbial inactivation, iii) evaluate the evolution of native microbiota during cold storage, iv) investigate the Coroller, biphasic, Weibull, and Weibull-plus-tail models' ability to describe microbial inactivation and v) measure 5-hydroxymethylfurfural (HMF) formation. The modified biodosimetry method was used to calculate the germicidal UV-C fluences. Heat pasteurization (T-coil, 80 °C/6 min) was evaluated as the control treatment. UV-C was highly effective at inactivating E. coli as 4.1-5.1 and 4.5-5.6 log reductions were determined in the multi-fruit-ISD and orange-ISD, respectively, barely impacted by the background microbiota. No significant differences were recorded for the inactivation of E. coli in the UV-C and T-coil systems. Whereas, a significantly higher inactivation of A. acidoterrestris spores was achieved by UV-C (3.7-4.0 log reductions), compared to the negligible one achieved by the thermal treatment. Even though E. coli inactivation curves were similar in shape, UV-C was less effective when a cocktail of other E. coli strains was present. In comparison to the OT juice, the ISDs' inactivation kinetics were markedly different in shape, with a rapid decrease in population during the first minutes of treatment. The germicidal fluence (Hd biod) corresponding to A. acidoterrestris (19.1 mJ/cm2) was selected as it was higher than the one obtained for E. coli (11.0 mJ/cm2). UV-C induced 2.8- or 1.3 and 2.3- or 0.8 log-reductions of total aerobes or moulds and yeasts in the multi-fruit-ISD and orange-ISD, respectively. Compared to the other models, the Coroller and biphasic models showed a better fit and more accurate parameter estimates. UV-C-induced HMF production was not significant in the ISDs. The current study found that the UV-C treatment was more effective than typical heat pasteurization for inactivating A. acidoterrestris spores in isotonic drinks, following a similar trend for E. coli and native microbiota.
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Affiliation(s)
- Luz Kozono
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de, Alimentos y Procesos Químicos (ITAPROQ), Argentina
| | - Daniela Fenoglio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de, Alimentos y Procesos Químicos (ITAPROQ), Argentina
| | - Mariana Ferrario
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de, Alimentos y Procesos Químicos (ITAPROQ), Argentina
| | - Sandra Guerrero
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de, Alimentos y Procesos Químicos (ITAPROQ), Argentina.
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Ma T, Wang J, Lan T, Bao S, Zhao Q, Sun X, Liu X. How to comprehensively improve juice quality: a review of the impacts of sterilization technology on the overall quality of fruit and vegetable juices in 2010-2021, an updated overview and current issues. Crit Rev Food Sci Nutr 2022; 64:2197-2247. [PMID: 36106453 DOI: 10.1080/10408398.2022.2121806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Fruit and vegetable juices (FVJ) are rich in nutrients, so they easily breed bacteria, which cause microbial pollution and rapid deterioration of their quality and safety. Sterilization is an important operation in FVJ processing. However, regardless of whether thermal sterilization or non-thermal sterilization is used, the effect and its impact on the overall quality of FVJ are strongly dependent on the processing parameters, microbial species, and FVJ matrix. Therefore, for different types of FVJ, an understanding of the impacts that different sterilization technologies have on the overall quality of the juice is important in designing and optimizing technical parameters to produce value-added products. This article provides an overview of the application of thermal and non-thermal technique in the field of FVJ processing over the past 10 years. The operating principle and effects of various technologies on the inactivation of microorganisms and enzymes, nutritional and functional characteristics, physicochemical properties, and sensory quality of a wide range of FVJ are comprehensively discussed. The application of different combinations of hurdle technology in the field of FVJ sterilization processing are also discussed in detail. Additionally, the advantages, limitations, and current application prospects of different sterilization technologies are summarized.
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Affiliation(s)
- Tingting Ma
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Jiaqi Wang
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Tian Lan
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Shihan Bao
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Qinyu Zhao
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Xiangyu Sun
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
| | - Xuebo Liu
- College of Food Science and Engineering, College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot wine Station, Northwest A&F University, Yangling, China
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3
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Basak S, Mahale S, Chakraborty S. Changes in quality attributes of pulsed light and thermally treated mixed fruit beverages during refrigerated storage (4 °C) condition. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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4
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Shaik L, Chakraborty S. Effect of pH and total fluence on microbial and enzyme inactivation in sweet lime (
Citrus limetta
) juice during pulsed light treatment. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lubna Shaik
- Food Engineering and Technology Department Institute of Chemical Technology Matunga, Mumbai 400 019 India
| | - Snehasis Chakraborty
- Food Engineering and Technology Department Institute of Chemical Technology Matunga, Mumbai 400 019 India
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Ren M, Yu X, Mujumdar AS, Yagoub AEGA, Chen L, Zhou C. Visualizing the knowledge domain of pulsed light technology in the food field: A scientometrics review. INNOV FOOD SCI EMERG 2021. [DOI: 10.1016/j.ifset.2021.102823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Mandal R, Wiktor A, Mohammadi X, Pratap-Singh A. Pulsed UV Light Irradiation Processing of Black Tea Infusions: Effect on Color, Phenolic Content, and Antioxidant Capacity. FOOD BIOPROCESS TECH 2021. [DOI: 10.1007/s11947-021-02723-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Salehi F. Application of pulsed light technology for fruits and vegetables disinfection: A review. J Appl Microbiol 2021; 132:2521-2530. [PMID: 34839567 DOI: 10.1111/jam.15389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 11/11/2021] [Accepted: 11/24/2021] [Indexed: 11/29/2022]
Abstract
Non-thermal technologies can maintain fruit and vegetable products quality better than traditional thermal processing. Pulsed light (PL) is a non-thermal method for microbial inactivation (vegetative cells and spores) in fruits and vegetables. The PL treatment involves the application of intense and short-duration pulses of broad spectrum wavelengths ranging from UV to near-infrared (100-1100 nm). This review summarized application of PL technology to control microbial contamination and increasing shelf-life of some fruits and vegetables including apple, blueberries, grape, orange, strawberries, carrot, lettuce, spinach, and tomato. The microbial inactivation in very short treatment times, low energy used by this system, flexibility for solid or liquid samples, few residual compounds and no synthetic chemicals that cause environmental pollution or harm humans, is benefits of PL technique. The efficiency of PL disinfection is closely associated with the input voltage, fluence (energy dose), composition of the emitted light spectrum, number of lamps, the distance between samples and light source, and frequency and number of applied pulses. The PL treatments control pathogenic and spoilage microorganisms, so it facilitates the growth and development of the starter microorganisms affecting product quality.
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Dhar R, Basak S, Chakraborty S. Pasteurization of fruit juices by pulsed light treatment: A review on the microbial safety, enzymatic stability, and kinetic approach to process design. Compr Rev Food Sci Food Saf 2021; 21:499-540. [PMID: 34766715 DOI: 10.1111/1541-4337.12864] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/29/2021] [Accepted: 10/07/2021] [Indexed: 12/17/2022]
Abstract
Pulsed light (PL) is a polychromatic radiation-based technology, among many other non-thermal processing techniques. The microbiological lethality of the PL technique has been explored in different food matrices along with their associated mechanisms. Pasteurization of fruit juice requires a 5-log cycle reduction in the resistant pathogen in the product. The manufacturers look toward achieving the microbial safety and stability of the juice, while consumers demand high-quality juice. Enzymatic spoilage in fruit juice is also a crucial factor that needs attention. The retailers want the processed juice to be stable, which can be achieved by inactivating the spoilage enzymes and native microflora inside it. The present review argued about the potential of PL technology to produce a microbiologically safe and enzymatically stable fruit juice with a minimal loss in bioactive compounds in the product. Concise information of factors affecting the PL treatment (PLT), primary inactivation mechanism associated with microorganisms, enzymes, the effect of PLT on various quality attributes (microorganisms, spoilage enzymes, bioactive components, sensory properties, color), and shelf life of fruit juices has been put forward. The potential of PL integrated with other non-thermal and mild thermal technologies on the microbial safety and stability of fruit juices has been corroborated. The review also provides suggestions to the readers for designing, modeling, and optimizing the PLT and discusses the use of various primary, secondary kinetic models in detail that have been utilized for different quality parameters in juices. Finally, the challenges and future need associated with PL technology has been summarized.
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Affiliation(s)
- Rishab Dhar
- Department of Food Engineering and Technology, Institute of Chemical Technology, Matunga, Mumbai, India
| | - Somnath Basak
- Department of Food Engineering and Technology, Institute of Chemical Technology, Matunga, Mumbai, India
| | - Snehasis Chakraborty
- Department of Food Engineering and Technology, Institute of Chemical Technology, Matunga, Mumbai, India
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Schenk M, Ferrario M, Schmalko M, Rivero R, Taravini I, Guerrero S. Development of extracts obtained from yerba mate leaves with different industrial processing steps: Antimicrobial capacity, antioxidant properties, and induced damage. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marcela Schenk
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ) CONICET – Universidad de Buenos Aires Buenos Aires Argentina
| | - Mariana Ferrario
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ) CONICET – Universidad de Buenos Aires Buenos Aires Argentina
| | - Miguel Schmalko
- Facultad de Ciencias Químicas, Exactas y Naturales Universidad Nacional de Misiones Posadas Argentina
| | - Roy Rivero
- Facultad de Bromatología Universidad Nacional de Entre Ríos Gualeguaychú Argentina
| | - Irene Taravini
- Facultad de Bromatología Universidad Nacional de Entre Ríos Gualeguaychú Argentina
| | - Sandra Guerrero
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias Universidad de Buenos Aires Buenos Aires Argentina
- Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ) CONICET – Universidad de Buenos Aires Buenos Aires Argentina
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10
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Franco-Vega A, Reyes-Jurado F, González-Albarrán D, Ramírez-Corona N, Palou E, López-Malo A. Developments and Advances of High Intensity Pulsed Light and its Combination with Other Treatments for Microbial Inactivation in Food Products. FOOD ENGINEERING REVIEWS 2021. [DOI: 10.1007/s12393-021-09280-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Chakraborty S, Ghag S, Bhalerao PP, Gokhale JS. The potential of pulsed light treatment to produce enzymatically stable Indian gooseberry (
Emblica officinalis
Gaertn.) juice with maximal retention in total phenolics and vitamin C. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14932] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Snehasis Chakraborty
- Food Engineering and Technology Department Institute of Chemical Technology Mumbai India
| | - Saurabhi Ghag
- Institute of Chemical Technology‐Marathwada Campus Jalna India
| | - Prasanna P. Bhalerao
- Food Engineering and Technology Department Institute of Chemical Technology Mumbai India
| | - Jyoti S. Gokhale
- Food Engineering and Technology Department Institute of Chemical Technology Mumbai India
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12
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Ferrario M, Fenoglio D, Chantada A, Guerrero S. Hurdle processing of turbid fruit juices involving encapsulated citral and vanillin addition and UV-C treatment. Int J Food Microbiol 2020; 332:108811. [PMID: 32835914 DOI: 10.1016/j.ijfoodmicro.2020.108811] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/07/2020] [Accepted: 07/31/2020] [Indexed: 01/26/2023]
Abstract
The aim of this study was to evaluate a hurdle strategy for orange-tangerine (OT) and orange-banana-mango-kiwi-strawberry (OBMKS) juices processing based on UV-C treatment assisted or not by mild heat and the addition of natural antimicrobials. Vanillin and citral emulsions were successfully encapsulated using maltodextrin and HI-CAP (5,18,3) and characterized. The susceptibility of Lactobacillus plantarum ATCC 8014, Escherichia coli ATCC 25922, and Saccharomyces cerevisiae KE 162 to binary mixtures of the encapsulated agents was examined in culture media according to the Berenbaum experimental design. The boundary between growth and non-growth as a function of vanillin and citral concentrations was predicted by means of the probabilistic model using logistic regression. Microbial inactivation achieved by pilot-scale UV-C light (0-390 mJ/cm2) on its own, assisted by mild heat (50 °C, UV-C/H) and combined with antimicrobials (1000 ppm vanillin plus 100 ppm citral) addition (UV-C + A/UV-C/H + A) was assessed in OT and OBMKS. Yeast induced damage in a model solution treated by UV-C + A was studied by flow cytometry (FC). All the antimicrobial mixtures resulted in additive effects (FICindex = 1), thus offering through the probabilistic models a range of formulation possibilities with antimicrobial capacity encompassing lower vanillin and citral concentrations compared to those required when used alone (Vrange = 0-1875 ppm plus Crange = 392-0 ppm). UV-C led up to 3.7-3.8, 2.4-3.6 and 1.5-1.6 log-reductions of E. coli, L. plantarum and S. cerevisiae in OT and OBMKS, respectively. A significant increase of 1.7-2.2, 2.1-2.7 and 4.1-5.3 log cycles in microbial inactivation was observed after UV-C/H treatment. Additional inactivation of 0.7-3.1 and 0.5-2.7 log reductions were observed for E. coli and S. cerevisiae, respectively, when UV-C + A and UV-C/H + A were applied in both juices. Therefore, the addition of antimicrobials to the UV-C treated juices, showed additive to synergistic effects on E. coli and S. cerevisiae, respectively along refrigerated storage. A shift from yeast cells with intact membrane and esterase activity in control samples to cells with permeabilized membrane in C + A, UV-C and UV-C + A samples were determined by FC. The shift was more noticeable in UV-C + A samples. Sublethally damaged cells were only detected in C + A and UV-C samples. This study demonstrates that combining a pilot-scale UV-C treatment with the addition of chosen binary mixtures of vanillin and citral, can ensure more than 5 log-reductions of E. coli, L. plantarum and S. cerevisiae in OT and OBKMS juice blends.
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Affiliation(s)
- Mariana Ferrario
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ), Argentina
| | - Daniela Fenoglio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina
| | - Ana Chantada
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina
| | - Sandra Guerrero
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ), Argentina.
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García Carrillo M, Ferrario M, Schenk M, Guerrero S. Effect of an UV-C Light-Based Hurdle Strategy for Carrot-Orange Juice Processing on Candida parapsilosis Inactivation and Physiological State: Impact on Juice Sensory and Physicochemical Quality Parameters. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02540-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Dhar R, Chakraborty S. Influence of voltage and distance on quality attributes of mixed fruit beverage during pulsed light treatment and kinetic modeling. J FOOD PROCESS ENG 2020. [DOI: 10.1111/jfpe.13517] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rishab Dhar
- Food Engineering and Technology Department Institute of Chemical Technology Mumbai India
| | - Snehasis Chakraborty
- Food Engineering and Technology Department Institute of Chemical Technology Mumbai India
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15
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Fenoglio D, Ferrario M, Schenk M, Guerrero S. Effect of pilot-scale UV-C light treatment assisted by mild heat on E. coli, L. plantarum and S. cerevisiae inactivation in clear and turbid fruit juices. Storage study of surviving populations. Int J Food Microbiol 2020; 332:108767. [PMID: 32593099 DOI: 10.1016/j.ijfoodmicro.2020.108767] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 06/13/2020] [Accepted: 06/18/2020] [Indexed: 11/24/2022]
Abstract
Consumer growing demands for high-quality and safe food and beverages have stimulated the interest in alternative preservation technologies. Short-wavelength ultraviolet light (UV-C, 254 nm) has proven to be useful for the decontamination of a great variety of clear juices while improving their quality compared to traditional thermal treatments. Suspended solids and coloured compounds in turbid juices, diminish light transmission. The use of UV-C under a hurdle approach, may be a promising strategy for their treatment. The purpose of this study was to analyse Escherichia coli ATCC 25922, Saccharomyces cerevisiae KE 162 and Lactobacillus plantarum ATCC 8014 inactivation in clear pear juice (PJ), turbid orange-tangerine (OT) and orange-banana-mango-kiwi-strawberry (OBMKS) juices processed by single UV-C (390 mJ/cm2, 20 °C) and UV-C assisted by mild heat (UV-C/H, 50 °C) at pilot-scale in a coiled tubing unit and stored under refrigeration (5 °C). Inactivation studies were also conducted in peptone water (PW) and model solution (MS). The adequacy of the Coroller, Weibull and Biphasic Plus Shoulder models was studied. UV-C was highly effective in PW, MS and PJ, achieving up to 5.5-6.3-4.7, 4.8-5.1-4.6 and 4.4-5.5 log reductions for L. plantarum, E. coli,and S. cerevisiae, respectively. Whereas, a moderate inactivation by single UV-C was recorded in the turbid blends, reducing up to 2.4-3.8-1.6 and 3.6-3.7-1.3 log-cycles in OT and OBMKS, respectively. When the UV-C/H treatment was applied, high bacterial inactivation was observed achieving 5.2-5.6, 6.3-6.6 and 5.5-6.7 log reductions in OT, OBMKS and PJ, respectively, while 4.6-4.9 log reductions were determined for the yeast in OBMKS and OT, respectively. Thus, additive inactivation effects between UV-C and H were observed. All the models tested gave useful information regarding the existence of microbial subpopulations with varying resistances. However, the cumulative Weibull distribution function was the most versatile one, fitting inactivation curves with different shapes. Additionally, the frequency distributions of resistances showed that UV-C/H not only increased the UV-C microbicidal effect but changed the distribution of inactivation times. Principal component analysis revealed that UV-C effectiveness was associated to low particle size, a⃰, turbidity and high UV-C transmittance. An increase on the inactivation of treated bacterial populations was recorded along storage, while no yeast recovery was observed, thus emphasizing the contribution of refrigerated storage to microbial inactivation. Microbial inactivation in clear and turbid juices achieved by UV-C (390 mJ/cm2) assisted by mild heat (50 °C) and subsequent refrigerated storage may represent an useful alternative for multiple applications in the juice industry.
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Affiliation(s)
- Daniela Fenoglio
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Buenos Aires, Argentina
| | - Mariana Ferrario
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ), Pabellón de Industrias, Ciudad Universitaria, Avenida Intendente Güiraldes 2160(C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina
| | - Marcela Schenk
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ), Pabellón de Industrias, Ciudad Universitaria, Avenida Intendente Güiraldes 2160(C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina
| | - Sandra Guerrero
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Industrias, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Tecnología de Alimentos y Procesos Químicos (ITAPROQ), Pabellón de Industrias, Ciudad Universitaria, Avenida Intendente Güiraldes 2160(C1428EGA) Ciudad Autónoma de Buenos Aires, Argentina.
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16
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Applications of Pulsed Light Decontamination Technology in Food Processing: An Overview. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10103606] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Consumers of the 21st century tend to be more aware and demand safe as well as nutritionally balanced food. Unfortunately, conventional thermal processing makes food safe at the cost of hampering nutritional value. The food industry is trying to develop non-thermal processes for food preservation. Pulsed light (PL) is one such emerging non-thermal food processing method that can decontaminate food products or food contact surfaces using white light. Exposure to intense light pulses (in infrared, visible, and ultraviolet (UV) regions) causes the death of microbial cells, rendering the food safe at room temperature. PL technology is an excellent and rapid method of disinfection of product surfaces and is increasingly being used for food surfaces and packaging decontamination, enabling the minimal processing of food. This paper aims to give an overview of the latest trends in pulsed light research, discuss principles of pulse generation, and review applications of various PL systems for the inactivation of microorganisms in vitro, in various food products, and on food contact surfaces. Effects of PL on food quality, challenges of the process, and its prospects are presented.
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17
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Fenoglio D, Ferrario M, García Carrillo M, Schenk M, Guerrero S. Characterization of microbial inactivation in clear and turbid juices processed by short-wave ultraviolet light. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14452] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Daniela Fenoglio
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias; Universidad de Buenos Aires; Buenos Aires Argentina
- Alimentos y Procesos Químicos (ITAPROQ); Instituto de Tecnología de, CONICET - Universidad de Buenos Aires; Buenos Aires Argentina
| | - Mariana Ferrario
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias; Universidad de Buenos Aires; Buenos Aires Argentina
- Alimentos y Procesos Químicos (ITAPROQ); Instituto de Tecnología de, CONICET - Universidad de Buenos Aires; Buenos Aires Argentina
| | - Mercedes García Carrillo
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Marcela Schenk
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias; Universidad de Buenos Aires; Buenos Aires Argentina
- Alimentos y Procesos Químicos (ITAPROQ); Instituto de Tecnología de, CONICET - Universidad de Buenos Aires; Buenos Aires Argentina
| | - Sandra Guerrero
- Facultad de Ciencias Exactas y Naturales, Departamento de Industrias; Universidad de Buenos Aires; Buenos Aires Argentina
- Alimentos y Procesos Químicos (ITAPROQ); Instituto de Tecnología de, CONICET - Universidad de Buenos Aires; Buenos Aires Argentina
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18
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Recent advances in the application of pulsed light processing for improving food safety and increasing shelf life. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.03.010] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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19
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John D, Ramaswamy HS. Pulsed light technology to enhance food safety and quality: a mini-review. Curr Opin Food Sci 2018. [DOI: 10.1016/j.cofs.2018.06.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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García Carrillo M, Ferrario M, Guerrero S. Effectiveness of UV-C light assisted by mild heat on Saccharomyces cerevisiae KE 162 inactivation in carrot-orange juice blend studied by flow cytometry and transmission electron microscopy. Food Microbiol 2018. [DOI: 10.1016/j.fm.2017.12.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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21
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Inactivation of Alicyclobacillus acidoterrestris ATCC 49025 spores in apple juice by pulsed light. Influence of initial contamination and required reduction levels. Rev Argent Microbiol 2018; 50:3-11. [DOI: 10.1016/j.ram.2017.04.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 03/10/2017] [Accepted: 04/10/2017] [Indexed: 11/18/2022] Open
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22
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Bhavya ML, Umesh Hebbar H. Pulsed light processing of foods for microbial safety. FOOD QUALITY AND SAFETY 2017. [DOI: 10.1093/fqsafe/fyx017] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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23
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Ferrario M, Guerrero S. Impact of a combined processing technology involving ultrasound and pulsed light on structural and physiological changes of Saccharomyces cerevisiae KE 162 in apple juice. Food Microbiol 2017; 65:83-94. [DOI: 10.1016/j.fm.2017.01.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 12/22/2016] [Accepted: 01/25/2017] [Indexed: 10/20/2022]
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24
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Kim MB, Ko JY, Lim SB. Formulation Optimization of Antioxidant-Rich Juice Powders Based on Experimental Mixture Design. J FOOD PROCESS PRES 2017. [DOI: 10.1111/jfpp.12897] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mi-Bo Kim
- Jeju Wellbeing Vegetables RIS System; Jeju National University; Jeju 690-756 Republic of Korea
| | - Jeong-Yeon Ko
- Department of Food Bioengineering; Jeju National University; Jeju 690-756 Republic of Korea
| | - Sang-Bin Lim
- Jeju Wellbeing Vegetables RIS System; Jeju National University; Jeju 690-756 Republic of Korea
- Department of Food Bioengineering; Jeju National University; Jeju 690-756 Republic of Korea
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25
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Kramer B, Wunderlich J, Muranyi P. Recent findings in pulsed light disinfection. J Appl Microbiol 2017; 122:830-856. [PMID: 28032924 DOI: 10.1111/jam.13389] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 11/24/2016] [Accepted: 12/22/2016] [Indexed: 01/18/2023]
Abstract
Nonthermal disinfection technologies are gaining increasing interest in the field of minimally processed food in order to improve the microbial safety or to extend the shelf life. Especially fresh-cut produce or meat and fish products are vulnerable to microbial spoilage, but, due to their sensitivity, they require gentle preservation measures. The application of intense light pulses of a broad spectral range comprising ultraviolet, visible and near infrared irradiation is currently investigated as a potentially suitable technology to reduce microbial loads on different food surfaces or in beverages. Considerable research has been performed within the last two decades, in which the impact of various process parameters or microbial responses as well as the suitability of pulsed light (PL) for food applications has been examined. This review summarizes the outcome of the latest studies dealing with the treatment of various foods including the impact of PL on food properties as well as recent findings about the microbicidal action and relevant process parameters.
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Affiliation(s)
- B Kramer
- Fraunhofer Institute for Process Engineering and Packaging IVV, Freising, Germany.,Technical University of Munich, Chair of Food Packaging Technology, Freising-Weihenstephan, Germany
| | - J Wunderlich
- Fraunhofer Institute for Process Engineering and Packaging IVV, Freising, Germany
| | - P Muranyi
- Fraunhofer Institute for Process Engineering and Packaging IVV, Freising, Germany
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Comparison of Sodium Acid Sulfate and UV-C Treatment on Browning and Storage Quality of Fresh-Cut Potatoes. J FOOD QUALITY 2017. [DOI: 10.1155/2017/5980964] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Fresh-cut vegetables, such as potato chips, get brown quickly and can easily be infected by bacterium during storage. Sodium acid sulfate (SAS) and UV-C treatments are regarded as effective methods for food preservation. In this study, the effects of SAS, UV-C treatment, and their combination on fresh-cut potatoes during storage were evaluated. Compared with the control, all of the treatments were effective in inhibiting the bacterial growth during the whole storage period. Also, both SAS and SAS + UV-C treatments significantly decreased browning and polyphenol oxidase (PPO) activity and increased the firmness and malondialdehyde (MDA) contents, while the UV-C treatment has no good effects on protecting such storage qualities in fresh-cut potatoes. However, when compared with SAS treatment, the combination of SAS and UV-C treatment did not promote the effect in protecting the storage abilities. Thus, it was concluded that SAS is a better treatment in extending shelf life and controlling the quality of fresh-cut potatoes during storage compared to UV-C treatment.
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Effect of Pulsed Electric Field on Membrane Lipids and Oxidative Injury of Salmonella typhimurium. Int J Mol Sci 2016; 17:ijms17081374. [PMID: 27556460 PMCID: PMC5000769 DOI: 10.3390/ijms17081374] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 08/10/2016] [Accepted: 08/12/2016] [Indexed: 11/17/2022] Open
Abstract
Salmonella typhimurium cells were subjected to pulsed electric field (PEF) treatment at 25 kV/cm for 0–4 ms to investigate the effect of PEF on the cytoplasmic membrane lipids and oxidative injury of cells. Results indicated that PEF treatment induced a decrease of membrane fluidity of Salmonella typhimurium (S. typhimuriumi), possibly due to the alterations of fatty acid biosynthesis-associated gene expressions (down-regulation of cfa and fabA gene expressions and the up-regulation of fabD gene expression), which, in turn, modified the composition of membrane lipid (decrease in the content ratio of unsaturated fatty acids to saturated fatty acids). In addition, oxidative injury induced by PEF treatment was associated with an increase in the content of malondialdehyde. The up-regulation of cytochrome bo oxidase gene expressions (cyoA, cyoB, and cyoC) indicated that membrane damage was induced by PEF treatment, which was related to the repairing mechanism of alleviating the oxidative injury caused by PEF treatment. Based on these results, we achieved better understanding of microbial injury induced by PEF, suggesting that micro-organisms tend to decrease membrane fluidity in response to PEF treatment and, thus, a greater membrane fluidity might improve the efficiency of PEF treatment to inactivate micro-organisms.
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