Chagyo Kenkyu Hokoku (Tea Research Journal)

Chagyo Kenkyu Hokoku (Tea Research Journal)

Published by Japanese Society of Tea Science and Technology

1,834 registered articles
(updated on June 02, 2026)

Online ISSN : 1883-941X
Print ISSN : 0366-6190
ISSN-L : 0366-6190

JOURNAL PEER REVIEWED FREE ACCESS

2025 Volume 2025 Issue 140

Insecticidal Activities of the Natural Pyrethrins Insecticide on the Tea Green Leafhopper, Matsumurasca onukii Ryuhei Yanagisawa, Masaaki Sudo, Hiroshi Yorozuya
Articles at Annual Conference, October, 2025
Analysis of Consumer Preferences for Domestically Produced Oolong Tea Manufactured with a Drum-Type Withering Machine Masanori Atarashi
Estimation of the Inorganic Nitrogen Content in the Soil Using a Soil Sensor in Tea Fields Takuya Kondo, Masakazu Shiwa, Koji Chutani, Eiji Nishino

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Most viewed articles (May 2026)

1

Contents of Individual Tea Catechins and Caffeine in Japanese Green Tea

Released on J-STAGE: July 31, 2009 | Volume 1996 Issue 83 Pages 21-28

Tetsuhisa GOTO, Hitoshi NAGASHIMA, Yuko YOSHIDA, Masaaki KISO
2

Microbiological Contamination of the Tea Extract Prepared with Cold Water

Released on J-STAGE: January 01, 2019 | Volume 2016 Issue 122 Pages 21-25

Kiyo Okazaki
3

Studies on the Caffeine Determination (Part 3)

Released on J-STAGE: July 31, 2009 | Volume 1960 Issue 15 Pages 77-80

Isao ÔTA, Hideichi TORII
4

Relation between Infusing Condition of Green Tea and Soluble Component

Released on J-STAGE: July 31, 2009 | Volume 1972 Issue 37 Pages 69-78

Shigemi IKEDA, Muneyuki NAKAGAWA, Kiyoshi IWASA
5

Elution of Major Tea Components in Tea Infusion

Released on J-STAGE: July 31, 2009 | Volume 2001 Issue 91 Pages 29-33

Hideki HORIE, Tomomi UJIHARA, Katsunori KOHATA

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