In a nutshell, green tea is full of EGCG, whereas black tea has very little.

总的来说，绿茶充满了茶素酸酯，然而红茶中却非常少。

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Green tea leaves are steamed, which prevents the EGCG compound from being oxidized.

绿茶的茶叶通过蒸煮防止了EGCG化合物被氧化。

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There’s a particularly potent antioxidant known as EGCG that does all kinds of good things for skin.

EGCG是一种特效抗氧化剂，对肌肤有很大的益处。

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The team of researchers, led by Dr Anastasis Stephanou, carried out laboratory tests on heart cells which found that a major chemical component of green tea known as epigallocatechin-3-gallate (EGCG) can reduce cell death after a heart attack or stroke.

BBC: NEWS | Health | Green tea 'may protect the heart'