In Big Cove, North Carolina, Cherokee Indian Walker Calhoun and grandson, Patrick, collect witch hazel bark for brewing medicinal tea.

在北卡罗莱纳州的比克卡夫，切罗基印第安人沃克尔·卡尔霍恩和他的孙子帕特里克在捡榛树皮，用来做药茶。

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Assay of hamamelitannin shows that Witch Hazel bark extract is 31 times richer in hamamelitannin than the leaf extract and 87 times richer than the stem extract.

对金缕梅单宁的研究表明， 金缕梅树皮提取物含量是叶子的31倍，茎的87倍。

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Thayer's proprietary Witch Hazel extract (derived from the bark) is not distilled, thereby maintaining all the beneficial natural tannins.

塞耶的专有金缕梅提取物(从树皮中剥离)不是蒸馏而来的，从而最大化保持天然单宁的益处。

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