About IKEDA NAMIKO
About 農業・食品産業技術総合研究機構 野菜茶研
About 野菜茶業研究所研究報告
About black tea
About water content
About region
About Japan
About Democratic Socialist Republic of Sri Lanka
About India
About regional difference
About tea production
About Federal Democratic Republic of Nepal
About Kingdom of Nepal
About Sri Lanka
About Nepal
About moisture content
About producing area
About Alkaloid palatable beverages
About 日本
About 外国
About 紅茶
About 含水率