There are studies [1] that discovered it is the evaporating oil of ju hua that possess the antibiotic effect.Camphor and borneol are the main ingredients.

• 抑菌作用现有研究认为[1]挥发油是菊花抗菌作用的物质基础，其中的樟脑、龙脑则是其发挥抗菌作用的主要成分。