We first investigated the anti-Parkinson’s effect of DOP in the C. elegans transgenic strain NL5901 and showed that DOP reduced α-synuclein aggregation in the worms, except for GH-DOP at 2000 μg/mL and RK-DOP at 1000 μg/mL (Figure 4A,B). Here, SNCA is linked to Parkinson disease.