辣椒提取物
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piper不是peper，是荜茇提取物吧？

When Nature published a paper in 2011 describing a compound extracted from a pepper plant that appeared to kill cancer cells but leave healthy cells unscathed, it got some attention.

回复The compound, piperlongumine, comes from the Indian long pepper plant. 王庆浩

回复@诸平：查了一下维基百科，Long pepper是荜茇，不是辣椒。请看维基百科：https://en.wikipedia.org/wiki/Long_pepper

文绉绉干嘛，不就是胡椒嘛

回复@张磊：对。我也看了您（王庆浩）给出的链接，就是胡椒。