"When Koxinga arrived in Taiwan all his men fell ill except for those in General Liu's camp." Wu Lo-t'ien points out that according to contemporary accounts they all chewed betel nut.
「鄭成功到台灣時，所有的人都得了下痢，只有柳將軍帶的那一營沒事」，吳樂天根據鄭成功傳的記載指出，他們都吃了檳榔。