Challenges in the Processing Line of Spanish Style cv. Chalkidiki Green Table Olives Spontaneously Fermented in Reduced NaCl Content Brines

被引:13
|
作者
Mantzouridou, Fani Th [1 ]
Mastralexi, Aspasia [1 ]
Filippidou, Maria [1 ]
Tsimidou, Maria Z. [1 ]
机构
[1] Aristotle Univ Thessaloniki, Lab Food Chem & Technol, Sch Chem, Thessaloniki 54124, Greece
关键词
olive quality; olive safety; sodium intake reduction; Spanish style cv; Chalkidiki green table olives; spontaneous olive fermentation; LACTIC-ACID BACTERIA; CHLORIDE SALTS; FOOD-INDUSTRY; CALCIUM; CATIONS; SODIUM;
D O I
10.1002/ejlt.201900453
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
In this work, the effect of different treatments using selected combinations of chloride salts (NaCl, KCl, CaCl2, MgCl2) in fermentation brine to assess the safety, quality, and nutritional value of the Spanish style cv. Chalkidiki green table olives spontaneously fermented is studied. Examination of safety parameters (bacteria/yeasts, pH, acidity) and changes in olive color and texture characteristics in brines during fermentation, and in mineral content of olives upon storage up to 12 months, is conducted using appropriate methods. Sensory evaluation takes place in certain cases. Among the tested salt combinations, those of 4.08% NaCl, 2.8% KCl, 1% CaCl2, and 0.12% MgCl2 (w/v) are found to be the most effective regarding safety, color, texture, and taste. Findings support that Spanish style cv. Chalkidiki green olives can be spontaneously fermented in reduced NaCl content brine. The 50% lower NaCl content of the fermented olives compared with that in traditionally fermented ones suggests that reformulation of cv. Chalkidiki green table olives by safe intervention is feasible. Practical Applications: cv. Chalkidiki green table olives are of high importance for the Greek economy. Traditionally they are spontaneously fermented in NaCl brine (8% w/v). Partial replacement of NaCl content with other salts in such a line results in a product acceptable in terms of safety and quality characteristics. The Greek table olive industry may profit from the findings in an attempt to remodel the traditional spontaneous fermentation in green olive processing according to international dietary guidelines.
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页数:9
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