A survey carried out by two researchers from Davies University in California has shown that organic kiwi fruit are better for health than kiwi fruit produced using conventional farming techniques. 
Organic kiwi fruit have a higher content of polyphenols, vitamin C. and minerals. 
The lack of pesticides in organic kiwi fruit encourages them to build up their defence mechanisms, resulting in a higher level of antioxidants.
- Medical News Today– March 29, 2007.