Evaluation of bioactive compounds in black table olives fermented with selected microbial starters
Abstract
Tableoliveshavebeena component of theMediterranean diet for centuries,with the trendfor their consumptioncurrently increasing worldwide. They are rich in bioactive molecules with nutritional, antioxidant, anti-inflammatory orhormone-like properties. In the present study, the concentrations of phenolics, triterpenic acids, carotenoids and vitamins, aswell as fatty acid profiles and antioxidant activity,were analyzed in the edible portion of black table olives (Olea europea L.) fromItalian (Cellina di Nardò and Leccino) and Greek (Kalamàta and Conservolea) cultivars fermented with selected autochthonousstarters and in the corresponding monovarietal olive oils.RESULTS: On a fresh weight basis, Cellina di Nardò and Leccino table olives showed the highest total phenolic content. Nosignificant differences were found with respect to the levels of total triterpenic (maslinic and oleanolic) acids and vitaminE among cultivars. All table olives were characterized by high amounts of oleic, linoleic and palmitic acids. Oils were richerin lipophilic antioxidants (carotenoids and tocochromanols) than table olives, which, instead, showed a higher content ofpolyphenols and triterpenic acids than oils.CONCLUSION: The present study demonstrates that fermented table olives are an excellent natural source of unsaturated fattyacids, as well as being nutritionally important health-promoting bioactive compounds.
Autore Pugliese
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Durante M.; Tufariello M.; Tommasi M.; Lenucci M.S.; Bleve G.; Mita G.
Titolo volume/Rivista
Journal of the science of food and agriculture
Anno di pubblicazione
2017
ISSN
1097-0010
ISBN
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Settori ERC
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Codici ASJC
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