The most apples cut in the air by sword in one minute is 28 and
were cut by Tsurugi Genzou (Japan) in the set of FNS 27HR TV
Waratte Iitomo! at Hizenyumekaido, in Ureshino, Saga,
Japan, on 22 July 2012.

The record attempt took place during Fuji TV's 27 hour telemarathon
"27 Jikan TV" FNS 27HR TV Waratte Iitomo!, at a ninja theme park
location in Saga prefecture, in Japan. The sword had a 66 cm blade.



http://www.guinnessworldrecords.com/world-records/3000/most-apples-cut-in-the-air-by-sword