Why is my green tea brown? | 食品添加物合法業者資訊網

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2019年2月23日 — Green tea can brew brown if the tea is of inferior quality, or if you've brewed it for too long or used water that is too hot. The only teas ... Read More

Well, to answer the question- Why Does Green Tea Turn Brown? We can say that the color is down to different levels of oxidation of the green tea leaves. Green ... Read More

2022年4月10日 — Reasons your green tea is brown (in an undesirable way) · Low quality leaves · Bad tea storage · Incorrect brewing · Hard water. Read More

There are some polyphenols in green tea. Under normal conditions, the presence of vitamin C inhibits the oxidation of polyphenols. Read More

2012年9月19日 — It's the kind of tea you are using. Japanese green teas are mostly steamed, where Chinese teas are roasted, ... Read More

Green tea will turn darker and darker over time until it becomes very dark brown or black. Leaving out your tea allows the molecules that have been dissolved in ... Read More

2017年8月30日 — The easiest way to evaluate a green tea's quality is its colour: if your green tea is actually brown, it's likely been oxidized and you are ... Read More