Kazuya Koyama

J-GLOBAL         Last updated: Apr 28, 2019 at 02:31
Kazuya Koyama
National Research Institute of Brewing
Job title
Senior Researcher
Master(Science)(Cornell University(U.S.A)), Master(Science)(Osaka University), Doctor(Agriculture)(Hiroshima University)

Research Areas


Academic & Professional Experience

Jul 2018
Senior researcher, Analytical Research Division, National Research Institute of Brewing
Jul 2010
Jul 2018
Senior researcher, Fundamental Research Division, Ntional Research Institute of Brewing
Jul 2005
Jun 2010
Researcher, National Research Institute of Brewing


Apr 2007
Mar 2010
Graduate School, Division of Biosphere Sciences, Hiroshima University
Sep 2003
Aug 2004
Food Science, College of agriculture and life sciences, Cornell University
Apr 1997
Mar 1999
Bioscience, Graduate School, Division of Natural Science, Osaka University

Awards & Honors

Nov 2017
Study of Phenolic Compounds in Domestic Red Wine Grape - Diversity of Proanthocyanidin Compositions and Their Regulation, 2017 ASEV Japan journal author's award, The American Society for Enology and Viticulture, Japan Chapter

Published Papers

Bahena-Garrido Sharon Marie, Ohama Tomoko, Suehiro Yuka, Hata Yuko, Isogai Atsuko, Iwashita Kazuhiro, Goto-Yamamoto Nami, Koyama Kazuya
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE   99(4) 1926-1937   Mar 2019   [Refereed]
Evaluation of Candida easanensis JK8 ß-glucosidase with potentially hydrolyse non-volatile glycosides of wine aroma precursors
Thongekkaew J, Fujii T, Masaki K, Koyama K
Natural Product Research   6 1-5   Jun 2018   [Refereed]
Shimizu Hideaki, Akamatsu Fumikazu, Kamada Aya, Koyama Kazuya, Okuda Masaki, Fukuda Hisashi, Iwashita Kazuhiro, Goto-Yamamoto Nami
JOURNAL OF BIOSCIENCE AND BIOENGINEERING   125(4) 413-418   Apr 2018   [Refereed]
Koyama K, Kamigakiuchi H, Iwashita K, Mochioka R, Goto-Yamamoto N
Phytochemistry   134 78-86   Feb 2017   [Refereed]
Analysis of Sulfur Dioxide in Wine-Effects of Temperature on Free Sulfur Dioxide Determination and Sample Dilution on Ripper Determination
Goto-Yamamoto N, Joyo M, Numata M, Kamimoto M, Koyama K
Journal of ASEV Japan   26(3) 127-132   Dec 2015   [Refereed]


2017 ASEV JAPAN JOURNAL AUTHOR'S AWARD 'Study of Phenolic Compound in Domestic Red Wine Grape-Diversity of Proanthocyanidin Compositions and Their Regulation'
Kazuya Koyama
Journal of ASEV Japan   29(1) 37-41   Jun 2018   [Invited]

Conference Activities & Talks

Influence of climatic conditions in the growing site on the accumulation of flavor compounds in the ripening berries of wine grapes
Koyama K, Garrido SM, Ohama T, Maejima T, Nemoto M, Saito H, Goto-Yamamoto N, Saito H
Annual meeting 2019 Tokyo of Japan Society for Bioscience, Biotechnology, and Agrochemistry   26 Mar 2019   
Effect of prefermentation cold soak during red wine making
Shimizu H, Kono M, Koyama K, Iwashita K, Goto-Yamamoto N
2018 Annual Meeting of ASEV JAPAN   18 Nov 2018   
Effect of Training, Trellising, and Pruning Systems on Accumulation of Phenolics, Methoxypyrazines, Thiols and Flavor Precursors
Bahena-Garrido SM, Ohama T, Goto-Yamamoto N, Watanabe K, Koyama K
2018 Annual Meeting of ASEV JAPAN   17 Nov 2018   
Characteristics of flavor compounds in grapes and wines of 'Koshu' clones
Koyama K, Ohama T, Garrido SM, Kiyomichi D, Kobayashi H, Watanabe K, Watanabe N, Goto-Yamamoto N, Saito H
2017 National Annual Meeting of ASEV JAPAN   12 Nov 2017   
Empirical study of enological methods suitable for Japanese grape
Shimizu H, Kono M, Koyama K, Iwashita K, Goto-Yamamoto N
2017 National Annual Meeting of ASEV JAPAN   11 Nov 2017   

Research Grants & Projects

Study for the mechanism of environmental responsiveness of secondary metabolites in grape berries
JSPS: Grant-in-Aid for scientific research (C), JSPS KAKENHI
Project Year: Apr 2015 - Mar 2020    Investigator(s): Kazuya Koyama
The control of flavonoids by ROS-mediated stresses: a study to improve crops resilience to stress
OECD: Research programme on biological resources in agriculture, research fellowship
Project Year: May 2014 - Sep 2014    Investigator(s): Kazuya Koyama
Ministry of Education, Culture, Sports, Science and Technology: JSPS, Grant-in-Aid for Scientific Research
Project Year: 2011 - 2014    Investigator(s): Kazuya Koyama
Elucidation of the mechanism of phenolic biosynthesis in grape berry and their extraction during wine making process and effect of phytohormone and light on berry metabolism
Project Year: 2005