好像是蜡烛燃烧温度把油烟吸过来，然后烧掉了。

lampe的去味原理，我想蜡烛应该差不多，但是不一定能灭菌：

lampe burger oil contains Ozoalcool (patent) ingredient that contains O1 and when combined with the alcohol which contains O2 when heated, they produce OZONE which is what eliminates odor and kills bacteria.