Capsaicin pure 辣椒素 ; 辣椒碱
Capsaicin n pure 辣椒素
Two percent capsaicin bear spray is advertised at 3.3 million units, and pure capsaicin - the chemical that causes the pain - hits 16 million.
驱熊喷雾器尽管只含有2%的辣椒素(capsaicin)，但广告宣称其辣度为330万单位；而可以引发剧痛的纯辣椒素其辣度骤升至1600万。
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