Water for the best green tea ...
The water used to make green tea can make a difference.
Fresh lowland water is good for tea.
The water where it is grown is the best.
Alternatively, bottled mineral water can be used.
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Bitter or Sweet ...
Bitter = prevalence of caffeine, catechins
Sweet = prevalence of amino acids
The bitter taste comes from a substance called catechin.
Catechin is good for health and beauty.
Catechin has antibacterial action, against colds and viruses.
Catechin reduces free radicals, which are agents of aging.
Matcha green tea has more catechins.
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Water temperature used ...
hot: 50/60 C = slightly sweet
very hot: 70 C = balanced
boiling water: 100 C = bitter, strong