Koichi Harayama

Development of an analytical method for polycyclic aromatic hydrocarbons in coffee beverages and dark beer using novel high-sensitivity technique of supercritical fluid chromatography/mass spectrometry

Toshiaki Yoshioka, Yasushi Nagatomi, Koichi Harayama et al. · Journal of Bioscience and Bioengineering · 2018 · 44 citations

Dark Beer, Supercritical Fluid Chromatography, Analytical Method +10

A rapid and sensitive analysis of dithiocarbamate fungicides using modified QuEChERS method and liquid chromatography–tandem mass spectrometry

Ayano Kakitani, Toshiaki Yoshioka, Yasushi Nagatomi et al. · Journal of Pesticide Science · 2017 · 37 citations · Full text

A Method for Simultaneous Determination of 20 Fusarium Toxins in Cereals by High-Resolution Liquid Chromatography-Orbitrap Mass Spectrometry with a Pentafluorophenyl Column

Masayoshi Tamura, Naoki Mochizuki, Yasushi Nagatomi et al. · Toxins · 2015 · 35 citations · Full text

Determination of Lightstruck Character in Beer by Gas Chromatography-Mass Spectroscopy

Susumu Masuda, Kaori Kikuchi, Koichi Harayama et al. · Journal of the American Society of Brewing Chemists · 2000 · 24 citations

Food Chemistry, Flavoromics, Gas Chromatography +13

Analysis of Simultaneous Screening for 277 Pesticides in Malt and Beer by Liquid Chromatography with Tandem Mass Spectrometry

M. Omote, Koichi Harayama, Tania A. Sasaki et al. · Journal of the American Society of Brewing Chemists · 2006 · 22 citations

Engineering, Pesticide-residue Analysis, Food Chemistry +19