Journal
JOURNAL OF MEDICINAL FOOD
Volume 19, Issue 7, Pages 686-691Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/jmf.2016.0027
Keywords
allicin; Allium; antifungal; antimicrobial; antioxidant; ascorbic acid; polyphenols; ultra performance liquid chromatography
Funding
- Project SALVE (Safeguard of the endemic vegetal genetic resources of the Campania Region), PSR, Campania region [mis. 214 az f2]
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Extracts of the bulbs of the two endemic varieties Rosato'' and Caposele'' of Allium sativum of the Campania region, Southern Italy, were analyzed. The phenolic content, ascorbic acid, allicin content, and in vitro antimicrobial and antifungal activity were determined. Ultra performance liquid chromatography with diode array detector performed polyphenol profile. The polyphenolic extracts showed antioxidant activity (EC50) lower than 120 mg. The amount of ascorbic acid and allicin in the two extracts was similar. Polyphenol extract exhibited antimicrobial activity against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and (only by the extract of Rosato) against Bacillus cereus. The extract of Caposele was more effective in inhibiting the growth of Aspergillus versicolor and Penicillum citrinum. On the other hand, the extract of Rosato was effective against Penicillium expansum.
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