Effect of ozone treatment on the physical, microbiological and sensorial properties of Spanish-style table olives
DOI:
https://doi.org/10.3989/gya.0103191Keywords:
CV. Domat, Microbiological safety, Ozone, Pasteurization, Sensory analysis of table olives, Storage, Table olive, Table olive preservationAbstract
Ozone has been widely used in the food industry as an effective antimicrobial agent. In this study the possibilities of using ozone in table olive preservation was investigated for the first time. For this purpose, the Domat variety of table olives was processed according to the Spanish style and treated with aqueous ozone for 5, 10, and 20 minutes at 0.5, 1, 2 and 4 ppm. The effects of ozonation on the microbiological, physical and sensory characteristics of the table olives were evaluated during the storage period (up to 180 days). The pH, color and firmness of the ozone treated table olives showed higher stability. Statistically significant reductions in the total bacteria and yeast/mould counts were obtained (p < 0.05). Enterobacteriaceae and Escherichia coli were not found in the samples. After 60 days of storage the control samples (ozone untreated olives) obtained low values for sensory analysis, and did not meet market requirements. The results indicate that treating green table olive with ozon (1 ppm concentration) for 10 min in aqueous form reduces the microbial population without any negative effects on the firmness, color (L*, a* b*) or sensory attributes of the table olives.
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Alexandre EMC, Fundo J, Santos DM, Brandao TRS. 2005. Effect of ozone on the quality of green beans (Phaseolus vulgaris L.) and bell peppers (Capsicum annuum L). 7° Encontro de Quimica dos Alimentos, Viseu, Escola Superior de Biotecnologia, Universidade Catolica Portuguesa.
Alexandre EMC, Brandão TRS, Cristina LM, Silva CLM. 2011. A modelling microbial load reduction in foods due to ozone impact. Proc. Food. Sci. 1, 836-841. https://doi.org/10.1016/j.profoo.2011.09.126
Alexopoulos A, Plessas S, Kourkoutas Y, Stefanis C, Vavias S, Voidarou C, Mantzourani I, Bezirtzoglou E. 2017. Experimental effect of ozone upon the microbial flora of commercially produced dairy fermented products. Int. J. Food Microbiol. 246, 5-11. https://doi.org/10.1016/j.ijfoodmicro.2017.01.018 PMid:28187330
Alves M, Gonçalves T, Quintas T. 2012. Microbial quality and yeast population dy-namics in cracked green table olives' fermentations. Food Control 23, 363-368. https://doi.org/10.1016/j.foodcont.2011.07.033 https://doi.org/10.1016/j.foodcont.2011.07.033
Anonymous. 2015. Table Olive Standard, TS/774, Turkish Standards Institute, Ankara.
Arroyo-Lopez FN, Duran Quintana MC, Garrido Fernandez A. 2006. Microbial evolution during storage of seasoned olives prepared with organic acids with potassium sorbate, sodium benzoate, and ozone used as preservatives. J. Food Protect. 69, 1354-1364. https://doi.org/10.4315/0362-028X-69.6.1354 PMid:16786857
Catania P, Alleri M, Martorana A, Settanni L, Moschetti G, Vallone M. 2014. Investigation of a tunnel pasteurizer for "Nocellara del Belice" table olives processed according to the "Castelvetrano method". Grasas Aceites 65, e049. https://doi.org/10.3989/gya.0578141
Garrido-Fernandez A, Fernandez Diez MJ, Adams MR. 1997. Table Olives: Production and Processing. Chapman & Hall, London, United Kingdom, 481. https://doi.org/10.1007/978-1-4899-4683-6
García-García P, Arroyo-López NF, Rodríguez-Gómez F. 2014. Partial purification of iron solutions from ripe table olive processing using ozone and electro-coagulation. Sep. Purif. Technol. 133, 227-235. https://doi.org/10.1016/j.seppur.2014.06.011
Graham DM. 1997.Use of ozone for food processing. Food Technol.-Chicago. 51, 72-75.
Guzel-Seydim ZB, Greene AK, Seydim AC. 2004. Use of ozone in the food industry. LWT - Food Sci. Technol. 37, 453-460. https://doi.org/10.1016/j.lwt.2003.10.014
International Olive Council (IOC). 2004. Trade standard applying to table olive. COI/OT/NC No. 1, December 2004. Madrid (Spain).
International Olive Council (IOC). 2011. Method for the sensory analysis of table olives, COI/OT/MO No 1/Rev.2, November 2011. Madrid (Spain).
International Olive Council (IOC). 2016. http://www.internationaloliveoil.org/estaticos/view/132-world-table-olive-figures. (Date of access: 10.11.2017).
Karaca H, Velioglu S. 2007. Ozone application in fruit and vegetable processing. Food Rev. Int. 23, 91-106. https://doi.org/10.1080/87559120600998221
Koyuncu MA, Seydim AC, Dilmaçünal T, Savran E, Tas T. 2008. Effects of different precooling treatments with ozonated water on the quality of the sweet cherry fruit cv. '0900 ziraat'. Acta Hortic. 795, 831-836. https://doi.org/10.17660/ActaHortic.2008.795.134
Lanza B. 2018. Measurement of kinesthetic properties of in-brine table olives by microstructure of fracture surface, sensory evaluation and Texture Profile Analysis (TPA). J. Sci. Food Agric. 98, 4142-4150. https://doi.org/10.1002/jsfa.8932 PMid:29393523
Medina-Pradas E, Arroyo-López FN. 2015. Presence of toxic microbial metabolites in table olives. Front Microbiol. 6, 873. https://doi.org/10.3389/fmicb.2015.00873 PMid:26379648 PMCid:PMC4552003
Panagou EZ. 2004. Effect of different packing treatments on the microbiological and physicochemical characteristics of untreated green olives of the Conservolea Cultivar. J. Sci. Food Agric. 84, 757-764. https://doi.org/10.1002/jsfa.1732
Randazzo CL, Ribbera A, Pitino I, Romeo FV, Caggia C. 2012. Diversity of bacterial population of table olives assessed by PCR-DGGE analysis. Food Microbiol. 32, 87-96. https://doi.org/10.1016/j.fm.2012.04.013 PMid:22850378
Renumarn P, Srilaong V, Uthairatanakij A, Kanlayanarat S, Jitareerat P. 2014. The effects of immersion methods and concentration of ozonated water on the microbial counts and the quality and sensory attributes of fresh-cut broccoli. I. F. R. J. 21, 533-539.
Romero-Barranco C, García-Serrano P, García-García P, Brenes-Balbuena M. 2016. Re-use of partially purified iron color fixation solutions using electro-coagulation and ozonation in ripe table olive processing and packaging. J. Food Eng. 181, 28-34. https://doi.org/10.1016/j.jfoodeng.2016.02.020
Romeo FV, De Luca S, Piscopo A, Perri E, Poiana M. 2009. Effects of post-fermentation processing on the stabilisation of naturally fermented green table olives (cv Nocellara etnea). Food Chem. 116, 873-878. https://doi.org/10.1016/j.foodchem.2009.03.037
Romeo FV, Piscopo A, Poiana M. 2012. Effect of drying, chemical and natural processing methods on black Biancolilla olives. Grasas Aceites 63, 223-230. https://doi.org/10.3989/gya.095811
Sánchez-Gómez AH, García-García P, Garrido-Fernández A. 2013. Spanish-style green table olive shelf-life. Int. J. Food Sci. Tech. 48, 1559-1568. https://doi.org/10.1111/ijfs.12124
Sapers GM. 2003. Washing and sanitizing raw materials for minimally processed fruit and vegetable products. In Microbial safety of minimally processed foods; Novak JS, Sapers GM, Juneja VK., Eds.; CRC Press: Boca Raton, FL, London, New York, Washington, DC; pp 221-253. https://doi.org/10.1201/9781420031850.ch11
Segovia-Bravo KA, García-García P, Arroyo-López FN, López- López A, Garrido-Fernández A. 2008. Ozonation process for the regeneration and recycling of Spanish green table olive fermentation brines.Eur. Food Res. Technol. 227, 463-472. https://doi.org/10.1007/s00217-007-0742-5
Tzortzakis N, Chrysargyris A. 2017. Postharvest ozone application for the preservation of fruits and vegetables. Food Rev. Int. 33, 270-315. https://doi.org/10.1080/87559129.2016.1175015
Xu L. 1999. Use of ozone to improve the safety of fresh fruits and vegetables. Food Technol. 53, 58-61. Proceedings book.
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