Vol. 54, No. 3    June 2013   CONTENTS
Original Papers
(1) Rapid Analysis of 2-Alkylcyclobutanones in Irradiated Meats, Cheese and Salmon by Direct Solvent Extraction Followed by GPC
··· Kunihiko Takahashi, Rie Ishii and Ryuji Matsumoto
173
(2) Monitoring of Radioactive Substances in Foods Distributed in Kyoto, Japan (1991-2011) -Comparison of Detection Rates and Concentrations before and after the Fukushima Daiichi Nuclear Power Plant Accident-
··· Yukinori Banno, Mikio Namikawa, Mariko Miwa, Soichirou Ban, Taichi Orito, Shunsuke Semura, Masahiro Kawakami, Naoya Doi, Shiro Miyake and Yasuhiro Ishikawa
178
(3) Structural Analysis of Subsidiary Tar Dyes Contained in Food Red No. 102
··· Mami Goda, Manabu Horikawa, Takashi Iwashita, Motomitsu Sawada, Daisuke Tsukazaki, Tsuyoshi Tachibana, Katsumi Sugane and Masami Harada
188
(4) Control of Toxicity of Sarcocystis fayeri in Horsemeat by Freezing Treatment and Prevention of Food Poisoning Caused by Raw Consumption of Horsemeat
··· Seiya Harada, Masato Furukawa, Eisuke Tokuoka, Kazutoshi Matsumoto, Shunsuke Yahiro, Jiro Miyasaka, Morihiro Saito, Yoichi Kamata, Maiko Watanabe, Daisuke Irikura, Hiroshi Matsumoto and Yoshiko Sugita-Konishi
198
(5) Simultaneous Determination of Twelve Sweeteners and Nine Preservatives in Foods by Solid-Phase Extraction and LC-MS/MS
··· Sayuri Tsuruda, Tomonori Sakamoto and Kouichi Akaki
204
(6) Survey of 7 Trichothecenes in Corn-Derived Feed and Feed Ingredients
··· Motoki Ogiso, Shihomi Ito, Ayako Kimura, Maki Saito, Ayako Sasaki, Nobuyuki Kibune and Masatoshi Watai
213
Note
Survival of Salmonella Enteritidis on Four Types of Stainless Steel Surface under a Dry Condition and Recovery by Swabbing
··· Norinaga Miwa, Hirotaka Konuma and Susumu Kumagai
219
Reports
(1) Survey of Pesticide Residues in Imported Tea (1992.4-2010.3)
··· Maki Kobayashi, Kenji Ohtsuka, Yasuhiro Tamura, Sanae Tomizawa, Teruaki Kinoshita, Kyoko Kamijo, Keiko Iwakoshi,Chizuko Sato, Toshihiro Nagayama and Ichiro Takano
224
(2) Simultaneous Identification of Hydroxythiohomosildenafil, Aminotadalafil, Thiosildenafil, Dimethylsildenafil, and Thiodimethylsildenafil in Dietary Supplements Using High-Performance Liquid Chromatography-Mass Spectrometry
··· Takaomi Tagami, Akihiro Takeda, Akiko Asada, Airin Aoyama, Takahiro Doi, Keiji Kajimura and Yoshiyuki Sawabe
232
Validation Study
Validation Study on a Rapid Multi-Residue Method for Determination of Pesticide Residues in Vegetables and Fruits by LC-MS/MS
··· Satoshi Takatori, Haruna Yamamoto, Naoki Fukui, Satoko Yamaguchi, Yoko Kitagawa, You Kakimoto, Masakazu Osakada, Masahiro Okihashi, Keiji Kajimura and Hirotaka Obana
237
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