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Title

Effects of salt mixtures on Spanish green table olive fermentation performance

AuthorsRodríguez-Gómez, Francisco J. ; Bautista-Gallego, J. ; Romero-Gil, Verónica; Arroyo López, Francisco Noé ; Garrido Fernández, A. ; García García, Pedro
KeywordsChloride salts
Green table olives
Sugars
Organic acids
Issue DateApr-2012
PublisherElsevier
CitationFood Science and Technology 46(1): 56-63 (2012)
AbstractThis work investigates the effect of sodium, potassium, and calcium chloride salts on the performance of Spanish green table olive fermentation using a simple centroid mixture design. The presence of calcium chloride hindered the diffusion of all sugars and delayed the period required to reach their respective maximum concentrations in brines. Such effects can prevent tumultuous processes and gas pocket spoilage. Acetic acid was present at low concentrations in all treatments but was not generated during fermentation. The production rate of lactic acid was either decreased or delayed by the presence of calcium chloride but adequate final conditions were always reached. The chemometric analysis classified treatments into groups according to the presence of calcium chloride and disclosed a stimulating effect of potassium on lactic acid production. Therefore, these techniques can be a useful tool to investigate olive fermentation performance. According to the results, acceptable Spanish green table olives can be produced using salt mixtures, with the subsequent reduced sodium content in the final products. The results obtained in this study could also be of interest for other fermented vegetables. © 2011 Elsevier Ltd.
URIhttp://hdl.handle.net/10261/52689
DOI10.1016/j.lwt.2011.11.002
Identifiersdoi: 10.1016/j.lwt.2011.11.002
issn: 0023-6438
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