Tea Brewing Temperature Guide: How Hot Should Your Water Be?

お茶の温度ガイド|煎茶・玉露・紅茶の適温と味の変化

タグ: 淹れ方
Green tea leaves and a ceramic teacup in calm natural light suggesting mental clarity

緑茶と認知症予防 — 研究が示すカテキンとテアニンの可能性

Green tea leaves and a measuring tape suggesting healthy lifestyle and weight management

緑茶はダイエットに効果がある? カテキンと脂肪燃焼の研究を整理する

A clear glass teapot with green tea leaves alongside Japanese teacups, illustrating the connection between tea and health

緑茶と血圧の関係 — カテキンは血圧を下げるのか

Japanese benifuuki green tea in a cup on a spring background with soft natural light

緑茶は花粉症に効く? メチル化カテキンとべにふうきの研究

A clear glass of green tea in sunlight showing golden-green color with catechin antioxidants

緑茶のポリフェノールと抗酸化作用 — カテキンが体を守る仕組み

Japanese tea storage containers with airtight lids and tea leaves on wooden shelf

茶葉の保存方法:容器の選び方・冷蔵庫の使い方・種類別の目安

タグ: 淹れ方
Two glasses of water side by side with Japanese green tea leaves showing water quality

軟水と硬水でお茶の味が変わる理由|茶種別おすすめの水

タグ: 淹れ方
Comparison of early-ripening and late-ripening Japanese tea cultivar harvest times

早生・晩生品種:摘採時期が茶の味を決める

Saemidori — A Premium Cultivar for Gyokuro & Competition

さえみどりとは?品評会で活躍する高級品種の味わいと特徴

Vast tea plantations in Kagoshima Prefecture, Japan second largest tea producer

日本のお茶の産地|鹿児島県

Myoan Eisai portrait, Kamakura-era Buddhist monk who introduced Rinzai Zen and tea cultivation to Japan, Kennin-ji collection (Public Domain)

日本茶の歴史|栄西