Research Article

Evaluation of Anti-Candida Activity of Vitis vinifera L. Seed Extracts Obtained from Wine and Table Cultivars

Table 3

Antifungal activity against Candida spp. of GSEs obtained from selected cultivars of Vitis vinifera L. harvested in 2010 and cultured under controlled agronomic conditions of water and nitrogen.

Candida spp.  M. PalieriV2N1M. PalieriV1N1RedGlobeV2N1RedGlobeV1N1ItaliaV2N2ItaliaV1N2Fluconazole
   MIC MIC MIC MIC MIC MIC MIC

krusei PMC0613816816816816816816816
krusei PMC06258848488848481632
krusei DSM 612848816888848481616
krusei PMC0612816816816816816816816
krusei PMC06228848484848481632
glabrata PMC08054328328648324324818
glabrata PMC0849484848416484814
glabrata PMC08434848484168828416
glabrata PMC0822163216321632832163216320.51
parapsilosis PMC07068168168324328168818
parapsilosis PMC070316168161632832161616160.54
parapsilosis ATCC2201981681681616161616161622
parapsilosis DSM11224832163283281683281612
parapsilosis PMC0704163232641632832163216160.51
parapsilosis PMC0711161616161616816161616160.52
tropicalis PMC091012120.520.521218416
tropicalis PMC090816161632163281616168320.52
tropicalis PMC091216321632163216641632163214
tropicalis DSM119531632326416328161632161618
tropicalis PMC091416161632163283216168160.52
tropicalis PMC09131632163216328641632163212
GM6.815.38.617.57.0187.017.17.114.66.5142.68.3
Range0.5–162–321–322–640.5–161–640.5–321–640.5–162–320.5–164–320.25–321–64

The values are expressed in mg/L as median of minimum inhibitory concentration (MIC) determined using Clinical and Laboratory Standard Institute (CLSI) protocol M27-A3. GM: geometrical mean of MIC. : lowest drug concentration that prevented 90% of growth with respect to the untreated control.