Chinese 100 Year Old Egg (ピタン)
Chinese 100 Year Old Egg was a theme ingredient in 1 battle:
May 23, 1997
Iron Chef Chinese Kenichi Chen (陳建一) vs Masao Takagi (高木政雄)
Konnyaku (蒟蒻)
Konnyaku was a theme ingredient in 1 battle:
May 29, 1998
Iron Chef Chinese Kenichi Chen (陳建一) vs Shuqing Liang (粱樹卿)
Sea Cucumber (ナマコ)
Sea Cucumber was a theme ingredient in 1 battle:
September 22, 1995
Iron Chef Chinese Kenichi Chen (陳建一) vs Tsuguo Fujiwara (藤原次雄)
Sea Urchin (海栗)
Sea Urchin was a theme ingredient in 4 battles:
June 17, 1994
Iron Chef French Hiroyuki Sakai (坂井宏行) vs Yūji Wakiya (脇屋友詞)
August 4, 1995
Iron Chef Chinese Kenichi Chen (陳建一) vs Hisama Hirano (平野寿将)
July 11, 1997
Iron Chef French Hiroyuki Sakai (坂井宏行) vs Toshiyuki Ishikawa (石川敏行)
July 9, 1999
Iron Chef Chinese Kenichi Chen (陳建一) vs Yūji Tateno (舘野雄二)
Shark Fin (フカヒル)
Shark Fin was a theme ingredient in 3 battles:
October 14, 1994
Iron Chef Japanese Rokusaburō Michiba (道場六三郎) vs Peirong Xu (許沛榮)
October 12, 1996
Iron Chef Chinese Kenichi Chen (陳建一) vs Sun Liping (孫利平)
December 18, 1998
Iron Chef Chinese Kenichi Chen (陳建一) vs Mitsuo Suganuma (菅沼美都雄)
Snapping Turtle (スッポン)
Snapping Turtle was a theme ingredient in 2 battles:
February 2, 1996
Iron Chef Chinese Kenichi Chen (陳建一) vs Yōji Watanabe (渡辺洋二)
August 28, 1998
Iron Chef French Hiroyuki Sakai (坂井宏行), Iron Chef French Yukata Ishinabe (石鍋裕), Etsuo Jō (城悦男) vs Iron Chef Chinese Kenichi Chen (陳建一), Shōzō Miyamoto (宮本荘三), Yūji Wakiya (脇屋友詞)
Swallow's Nest (燕の巣)
Swallow's Nest was a theme ingredient in 1 battle:
July 21, 1995
Iron Chef Chinese Kenichi Chen (陳建一) vs Jinlun Li (黎錦倫)
Wine (ワイン)
Wine was a theme ingredient in 1 battle:
March 7, 1997
Iron Chef French Hiroyuki Sakai (坂井宏行) vs Etsuo Jō (城悦男)