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Title

Fermentation in nutrient salt mixtures affects green Spanish-style Manzanilla table olive characteristics

AuthorsLópez-López, Antonio CSIC ORCID ; Bautista-Gallego, J. CSIC ORCID ; Moreno-Baquero, J. María CSIC; Garrido Fernández, A. CSIC ORCID
KeywordsManzanilla green olives
Calcium chloride
Salt substitution
Potassium chloride
Mineral nutrient
PLS
Sodium chloride
Sensory characteristics
Issue Date2016
PublisherElsevier
CitationFood Chemistry 211: 415- 422 (2016)
AbstractThis work studies the effects of the substitution of NaCl with KCl and CaCl on the physicochemical, mineral and sensory profile of fermented green Spanish-style Manzanilla olives, using an enlarged centroid mixture design. An increasing presence of CaCl in the initial brines improved the colour index, L, b values, and firmness. The Na in the olives decreased (linearly) while the levels of K and Ca increased (quadratic) as a function of the KCl and CaCl concentrations in the initial brines. CaCl also improved the retention of Zn and P in the flesh. PLS showed a strong relationship between Ca and bitterness, hardness, fibrousness, crunchiness and saltiness (negative) and allowed for the prediction of sensory attributes (except acid) from the mineral contents in the flesh. Most of the treatments could lead to new green Spanish-style Manzanilla olive presentations with reduced Na and healthier characteristics.
URIhttp://hdl.handle.net/10261/149709
DOI10.1016/j.foodchem.2016.05.093
Identifiersdoi: 10.1016/j.foodchem.2016.05.093
issn: 1873-7072
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