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KMID : 1161420160190070686
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Journal of Medicinal Food
2016 Volume.19 No. 7 p.686 ~ p.691
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Biochemical Characterization and Antimicrobial and Antifungal Activity of Two Endemic Varieties of Garlic (Allium sativum L.) of the Campania Region, Southern Italy
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Fratianni Florinda
Riccardi Riccardo
Spigno Patrizia
Ombra Maria Neve
Cozzolino Autilia
Tremonte Patrizio
Coppola Raffaele
Nazzaro Filomena
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Abstract
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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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KEYWORD
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allicin, Allium, antifungal, antimicrobial, antioxidant, ascorbic acid, polyphenols, ultra performance liquid chromatography
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