The juice from pineapple Bromelain extract can reduce inflammation caused by asthma. 从菠萝的果汁中提取的菠萝蛋白酶，可以减少因哮喘引起的炎症。
Researchers found that bromelain significantly reduced the total number of leukocytes, interleukin as the incidence of asthma and an increase in the number. 研究者们发现菠萝蛋白酶能显著地降低总的白细胞数量，白细胞会随着哮喘的发病而数量增加。
